USRE37618EExpiredUtility

Analog/digital data storage system

Priority: Jul 24, 1987Filed: Apr 11, 1997Granted: Apr 2, 2002

Est. expiryJul 24, 2007(expired)· nominal 20-yr term from priority

Inventors:Richard J. Helferich

H04B 1/662G08B 3/105H04M 1/725H04M 1/6505

PatentIndex Score

Cited by

References

129

Claims

Abstract

An analog to digital data storage system includes receiver means for receiving an incoming signal carrying an analog component from a suitable transmitter. The analog signal is preferably preceded by a designated address code which is specific to a particular data storage system. The system further includes enable means activated by the incoming signal to emit an enable signal (logic high) to activate the system circuitry. The enable means may comprise a decoder which has been programmed to recognize an address code specified to a particular receiver or group of receivers or may be activated simply by the incoming signal without an address code, to emit the enable signal. The system also includes conversion means for converting the incoming analog data to digital format and memory means for storing the converted digital data. The conversion means further includes circuitry for reconverting a digital signal to analog format. Control means are provided for activating the conversion means and the digital memory storage means responsive to the enable signal from the decoder means. In the preferred embodiment, the control means also acts to deactivate the conversion means and memory means at the completion of the message or after a predetermined period of time. Switching means for included for activating the conversion means and the memory means for playback in analog format of any stored messages. The system further includes amplifier means for listening to incoming analog signals and playback of stored messages.

Claims

exact text as granted — not AI-modified

Having described the invention I claim:

1. A digital voice storage communication system including:
at least one transmitting station selectively addressing and transmitting a communication packet including an address code followed by a voice message;
at least two receiving stations having a corresponding predetermined stored address, each comprising:
a. a receiver circuit for receiving an incoming signal carrying said communication packet;
b. decoder circuitry responsive to said receiver circuit for emitting a record enable signal responsive to said communication packet carried by said incoming signal, including:
a comparator for comparing said predetermined stored address with said communication packet address code and automatically generating said record enable signal in response to said comparison, without reference to a separate record enable signal from said transmitter;
c. digital memory for storing said voice message of said communication packet in response to said record enable signal;
d. signal conversion circuitry for converting digital data in said digital memory into analog data for playback.

2. The digital voice storage communication system of claim 1 , wherein said decoder circuitry further includes circuitry for deactivating said digital memory when said record enable signal ceases.

3. The digital voice storage communication system of claim 1 , additionally comprising an edge detector responsive to said receiver circuits and sensitive to an edge of said record enable signal for automatically resetting and initiating said digital voice storage communication system to permit said digital memory to record a new voice message.

4. The digital voice storage communication system of claim 1 , additionally comprising a memory address selector for storing information indicative of available memory space to protect said memory from recording over previously stored messages.

5. The digital voice storage communication system of claim 2 , wherein said decoder circuitry terminates said enable signal upon sensing the completion of a message.

6. The digital voice storage communication system of claim 2 , additionally comprising a timer, wherein said decoder is responsive to said timer to terminate said enable signal upon expiration of a preset period of time thereby enabling said digital memory to record a new voice message.

7. The digital voice storage communication system of claim 1 , wherein said decoder circuitry generates said record enable signal continuously for the duration of said incoming voice message.

8. The digital voice storage communication system of claim 1 , wherein said decoder circuitry is voice actuated to generate said record enable signal responsive to said incoming voice message.

9. The digital voice storage communication system of claim 1 , further including a timing circuit for clocking said voice message into said digital memory at a first data rate and for clocking data representing a stored voice message from said digital memory at a second data rate which is different from said first data rate.

10. The digital voice storage communication system of claim 1 , wherein said transmitting station further comprises:
a second memory for storing voice messages at a third rate; and
a transmitting circuit for accessing voice messages from said second memory and transmitting said voice messages at a fourth rate, said fourth rate being higher than said third rate.

11. The digital voice storage communication system of claim 10 , wherein said transmitting station further comprises an encoder generating said address code transmitted with said analog voice message in said communication packet.

12. A digital voice storage communication system as defined in claim 1 , wherein said signal conversion circuitry converts said voice message of said communication packet from analog to digital format.

13. A digital voice storage communication system as defined in claim 1 , wherein said communication packet additionally comprises command data and wherein said address code and said command data are followed with substantially no delay by said voice message in said communication data packet.

14. A digital voice storage communication system as defined in claim 1 , wherein said communication packet includes a voice message whose length is variable.

15. A digital voice storage communication system as defined in claim 14 , wherein said digital memory sequentially stores digital voice messages having different lengths.

16. A digital voice storage communication system as defined in claim 1 , wherein said signal conversion circuitry operates during said record enable signal.

17. A digital voice storage communication system as defined in claim 1 , additionally comprising:
an operator activated playback switch for retrieving said voice message stored in said digital memory and for activating said signal conversion circuitry.

18. A digital voice storage communication system as defined in claim 17 , additionally comprising:
a switch for selection of said voice messages from said digital memory for conversion by said signal conversion circuitry.

19. A digital voice storage communication system as defined in claim 4 , wherein said memory address selector generates a signal to erase the recorded voice message which has resided in said digital memory longer than any other stored message.

20. A digital voice storage communication system as defined in claim 1 , wherein said digital memory records said voice messages silently.

21. A digital voice storage communication system including:
at least one transmitting station selectively addressing and transmitting a communication packet including an address code followed by a voice message;
at least two receiving stations each having a corresponding predetermined stored address, each comprising:
a receiving circuit responsive to said communication packet;
a decoder connected to said receiving circuit and generating a record enable signal in response to said communication packet;
a digital memory for storing said voice message of said communication packet in response to said record enable signal at a first data rate;
a signal conversion circuit for converting digital data into analog data, and
a timing circuit for clocking data representing said stored voice message from said digital memory at a second data rate which is different from said first data rate.

22. A digital voice storage communication system as defined in claim 21 , wherein said decoder additionally comprises:
a comparator for comparing said predetermined stored address with said communication packet address code and automatically generating said record enable signal in response to said comparison, without reference to a separate record enable signal from said transmitter.

23. A digital voice storage communication system as defined in claim 21 , wherein said conversion circuit converts said voice message of said communication packet from analog to digital format recording in said digital memory at said first data rate.

24. A digital voice storage communication system as defined in claim 21 , wherein said signal conversion circuit terminates conversion of said voice message in said communication packet from analog data to digital data when said decoder ceases to generate said record enable signal.

25. A digital voice storage communication system as defined in claims 21 , additionally comprising:
an edge detector circuit for automatic resetting of the digital voice storage communication system to permit said digital memory to record a new voice message.

26. A digital voice storage communication system as defined in claim 21 , additionally comprising:
a timer for terminating said signal conversion circuit upon expiration of a predetermined period of time thereby enabling said digital memory to record a new voice message.

27. A digital voice storage communication system as defined in claim 21 , wherein said communication packet has a voice message whose length is variable.

28. A digital voice storage communication system as stored in claim 21 , wherein said digital memory sequentially stores digital voice messages having different lengths.

29. A digital voice storage communication system as defined in claim 21 , additionally comprising:
an operator activated playback switch for retrieving said voice message stored in said digital memory and for initiating clocking of analog data representing said stored voice message at said second data rate.

30. A digital voice storage communication system defined in claim 21 , additionally comprising:
a message indicator for alerting an operator of said voice message being received and recorded in said digital memory.

31. A digital voice storage communication system as defined in claim 21 , wherein said communication packet additionally includes command data wherein said address code and said command data is followed with substantially no delay by said voice messages in said communication data packet.

32. A digital voice storage communication system as defined in claim 21 , additionally comprising:
a record switch for allowing an operator to dictate messages for storing in said digital memory at said second rate.

33. A digital voice storage communication system as defined in claim 21 , wherein said transmitting station additionally comprises:
a second memory for storing voice messages at a third rate, and
a transmitting circuit for accessing voice messages from said second memory and transmitting said voice messages at a fourth rate, said fourth rate being higher than said third rate.

34. A digital voice storage communication system as defined in claim 33 , wherein said fourth rate is equal to said first rate.

35. A digital voice storage communication system as defined in claim 33 , wherein said second memory stores messages in a stacked, sequential order.

36. A digital voice storage communication system as defined in claim 21 , additionally comprising:
counter circuitry for monitoring said voice messages being recorded in said digital memory, said digital memory when full, simultaneously initializing said counter circuitry and enabling said digital memory to erase an oldest recorded voice message first.

37. A digital voice storage communication system as defined in claim 21 , additionally comprising:
a message indicator for alerting an operator of said voice messages previously stored in said digital memory.

38. A digital voice storage communication system as defined in claim 21 , wherein said communication packet additionally comprises:
rate data defining said first data rate.

39. A receiving station for receiving a communication packet including an address code followed by a compressed voice message, comprising:
a register storing a predetermined address for said receiving station;
a receiving circuit responsive to said communication packet;
a decoder connected to said receiving circuit for comparing said predetermined stored address with said communication packet address code and generating a record enable signal in response to said comparison;
a digital memory for storing said compressed voice message of said communication packet in response to said record enable signal at a first data rate;
a signal conversion circuit for converting digital data into analog data, and
a timing circuit for clocking data representing said stored compressed voice message from said digital memory at a second data rate which is slower than said first data rate to restore said voice message to its original frequency.

40. A receiver for receiving voice messages from a transmitter, the voice messages having been compressed at said transmitter thereby shifting their frequency upward, comprising:
a receiving circuit for receiving said compressed voice messages;
a digital memory connected to said receiving circuit, said digital memory storing digital data representing said compressed voice messages; and
a frequency shifting circuit connected to said memory for reproducing said stored voice messages in analog format at a rate which shifts the frequency of said stored voice messages to normal speech frequency.

41. A method of receiving a communication packet including an address code followed by a compressed voice message, comprising the steps of:
comparing said address code in said communication packet with a stored address and generating a record enable signal; and
recording digital data representing said voice message in a digital memory in response to said record enable signal alone.

42. A method of operating a paging receiver which receives information transmitted from an external source, including coded information having an address, followed by associated analog information having at least one compressed analog voice message, said method comprising the steps of:
(a) receiving the information and decoding the coded information to recover the address;
(b) selectively enabling the receiver correlating to the decoded address to recover the compressed analog voice message from the received analog information;
(c) responding solely to the presence of the recovered compressed analog voice message to convert said compressed analog voice message to digital information, the digital information representative of a replica of the originally received compressed analog voice message; and
(d) storing at least part of the digital information in a memory of the selected receiver.

43. The method of claim 42 further including the step of:
(e) generating an alert signal at the selected receiver indicating receiving the compressed analog voice message.

44. The method of claim 43 further including the step of:
(f) generating an alert signal after storing the compressed analog voice message.

45. The method of claim 43 wherein the step of generating an alert signal further includes the step of:
(g) generating an alert signal approximately when the paging receiver is selected.

46. The method or claim 43 wherein the selected paging receiver includes a control switch, said method further including the steps of:
(h) sensing the activation of the control switch and generating an electrical signal in response thereto;
(i) in response to the electrical signal, reconverting the digital information to decompressed analog information; and
(j) producing audible voice information from the decompressed analog information, the audible voice information being a replica of the original compressed analog voice message that is decompressed.

47. The method of claim 46 wherein a plurality of digital voice messages are stored chronologically in the paging receiver, said method further including the step of:
(k) repeatedly activating the control switch for initiating playback of a chronologically stored voice message, wherein the Nth activation of the switch initiates replay of the Nth stored voice message.

48. The method of claim 47 further including the step of:
(l) activating the control switch for returning the paging receiver to a standby condition when all of the stored voice messages have been replayed.

49. The method of claim 47 further including the steps of:
(m) interrupting the playback of a stored message upon receipt of new analog information intended for the receiver;
(n) recovering a new compressed analog voice message from said new analog information;
(o) converting the new compressed analog voice message to new digital voice information; and
(p) storing the new digital voice information in the memory.

50. A digitized voice paging device comprising:
(a) means for receiving information transmitted from an external source, the information including coded information having an address, and associated analog information having at least one compressed analog voice message;
(b) means for decoding the coded information to recover the address to determine whether the associated analog information is intended for the paging device;
(c) means governed by the decoding means to recover the compressed analog voice message from the received analog information;
(d) means governed solely by said decoding means and the presence of the recovered compressed analog voice message to convert said compressed analog voice message to a compressed digital voice message which is representative of a replica of the originally received compressed analog voice message;
(e) memory means for storing at least part of the compressed digital voice message.

51. The paging device of claim 50 further including:
(f) an alerting means for generating an alert signifying receipt of information after storing the compressed digital voice message.

52. The paging device of claim 50 wherein said memory means is operably coupled to said converting means for providing a compressed digital stored voice message to said converting means, wherein said converting means is operative to reconvert the compressed digital voice message into audible information representative of the originally received compressed analog voice message that is decompressed.

53. The paging device of claim 50 further comprising:
(g) means for operating the decoding means in one of a plurality of operating modes.

54. The paging device of claim 53 wherein one of the operating modes stores the compressed digitized voice message and then generates an alert to notify the user of the receipt of the message.

55. The paging device of claim 50 further including:
(h) control means, coupled to said decoding means and said converting means, for sensing activation of a control switch, said control means generating an electrical signal in response to activation of the control switch; and
(i) transducer means, coupled to said control means, for outputting an audible signal; wherein said converting means, in response to the electrical signal, recalls the compressed digital message from memory and reconverts the digital message to an analog signal that is a replica of the original compressed analog message that is decompressed, and further wherein said transducer means receives the analog signal from said control means, coupled to said converting means, to output an audible signal.

56. The paging device of claim 50 further including:
(i) a means for generating an indication upon memory means being full.

57. The paging device of claim 50 further including:
(j) a means for counting the number of messages received.

58. A digitized voice paging device comprising:
(a) first means for receiving information transmitted from an external source, the information including a coded address and at least one compressed analog voice message;
(b) second means for decoding the coded address to determine whether the at least one compressed analog voice message is intended for the paging device;
(c) third means governed solely by said second means, and the presence of the at least one compressed analog voice message for converting the at least one compressed analog voice message to at least one compressed digital voice message; and
(d) fourth means for storing the at least one compressed digital voice message in a memory.

59. A paging device as defined in claim 58 , further comprising:
a memory address selector for storing information indicative of available memory space to protect said fourth means from storing over previously stored messages.

60. A paging device as defined in claim 58 , wherein said information transmitted from the external source further includes command data, wherein said coded address and said command data are followed with substantially no delay by the at least one compressed analog voice message.

61. A paging device as defined in claim 58 , wherein the length of said at least one compressed analog voice message is variable.

62. A paging device as defined in claim 58 , wherein said fourth means sequentially stores compressed digital voice messages having different lengths.

63. A paging device as defined in claim 58 , further comprising:
(e) fifth means for retrieving the stored compressed digital voice message from memory in response to an operator activated playback switch; and
(f) sixth means for converting the retrieved compressed digital voice message to decompressed analog format.

64. A paging device as defined in claim 63 , further comprising:
(g) seventh means for audibilizing the decompressed analog voice message.

65. A paging device as defined in claim 63 , wherein said fifth means includes means for selectively retrieving a stored compressed digital voice message from a plurality of stored compressed digital voice messages.

66. A paging device as defined in claim 59 , wherein said memory address selector generates a signal to erase the stored compressed digital voice message which has resided in memory longer than any other stored compressed digital voice message.

67. A paging device as defined in claim 58 , wherein said fourth means stores the compressed digital voice message silently.

68. A paging device as defined in claim 58 , comprising:
a message indicator for alerting an operator of the at least one compressed analog voice message being received.

69. A paging device as defined in claim 58 , further comprising:
a message indicator for alerting an operator after the compressed voice message has been stored.

70. A paging device as defined in claim 58 , further comprising:
an indicator for alerting an operator that the memory is full.

71. A paging device as defined in claim 58 , further comprising:
eighth means for counting the number of compressed voice messages received.

72. A method of operating a paging receiver which receives information transmitted from an external source, including coded information having an address, followed by associated information having at least one compressed voice message, said method comprising the steps of:
(a) receiving the information and decoding the coded information to recover the address;
(b) selectively enabling the receiver correlating to the decoded address to recover the compressed voice message from the received information;
(c) responding solely to the presence of the recovered compressed voice message to convert said compressed voice message to timed samples representative of the originally received compressed voice message; and
(d) storing the timed samples representative of at least a part of the compressed voice message in a memory of the selected receiver.

73. The method of claim 72 further including the step of:
(e) generating an alert signal at the selected receiver indicating receiving the compressed voice message.

74. The method of claim 73 further including the step of:
(f) generating an alert signal after storing the timed samples representative of at least a part of the compressed voice message.

75. The method of claim 73 wherein the step of generating an alert signal further includes the step of:
(g) generating an alert signal approximately when the paging receiver is selected.

76. The method of claim 73 wherein the selected paging receiver includes a control switch, said method further including the steps of:
(h) sensing the activation of the control switch and generating an electrical signal in response thereto;
(i) in response to the electrical signal, reconverting the stored timed samples to produce a decompressed form of the compressed voice message; and
(j) producing audible voice information from the decompressed form of the compressed voice message, the audible voice information being a replica of the original compressed voice message that is decompressed.

77. The method of claim 76 wherein a plurality of voice messages are stored chronologically in the paging receiver, said method further including the step of:
(k) repeatedly activating the control switch for initiating playback of a chronologically stored voice message, wherein the Nth activation of the switch initiates replay of the Nth stored voice message.

78. The method of claim 77 further including the step of:
(l) activating the control switch for returning the paging receiver to a standby condition when all of the stored voice messages have been replayed.

79. The method of claim 77 further including the steps of:
(m) interrupting the playback of a stored message upon receipt of new information intended for the receiver;
(n) recovering a new compressed voice message from said new information;
(o) converting the new compressed voice message to timed samples representative of the new compressed voice message; and
(p) storing the timed samples in the memory.

80. A voice paging device comprising:
(a) means for receiving information transmitted from an external source, the information including coded information having an address, and associated information having at least one compressed voice message;
(b) means for decoding the coded information to recover the address to determine whether the associated information is intended for the paging device;
(c) means governed by the decoding means to recover the compressed voice message from the received information;
(d) means governed solely by said decoding means and the presence of the recovered compressed voice message to convert said compressed voice message to timed samples representative of the originally received compressed voice message;
(e) memory means for storing the timed samples representative of at least part of the compressed voice message.

81. The paging device of claim 80 further including:
(f) an alerting means for generating an alert signifying receipt of information after storing the timed samples representative of at least part of the compressed voice message.

82. The paging device of claim 80 wherein said memory means is operably coupled to said converting means for providing the timed samples representative of at least part of the compressed voice message to said converting means, wherein said converting means is operative to reconvert the timed samples into audible information representative of the originally received compressed voice message that is decompressed.

83. The paging device of claim 80 further comprising:
(g) means for operating the decoding means in one of a plurality of operating modes.

84. The paging device of claim 83 wherein one of the operating modes stores the timed samples representative of the compressed voice message and then generates an alert to notify the user of the receipt of the message.

85. The paging device of claim 80 further including:
(h) control means, coupled to said decoding means and said converting means, for sensing activation of a control switch, said control means generating an electrical signal in response to activation of the control switch; and
(i) transducer means, coupled to said control means, for outputting an audible signal; wherein said converting means, in response to the electrical signal, recalls the timed samples from memory and reconverts the timed samples to a signal that is a replica of the original compressed analog message that is decompressed, and further wherein said transducer means receives the signal from said control means, coupled to said converting means, to output an audible signal.

86. The paging device of claim 80 further including:
(i) a means for generating an indication upon memory means being full.

87. The paging device of claim 80 further including:
(j) a means for counting the number of messages received.

88. A voice paging device comprising:
(a) first means for receiving information transmitted from an external source, the information including a coded address and at least one compressed voice message;
(b) second means for decoding the coded address to determine whether the at least one compressed voice message is intended for the paging device;
(c) third means governed solely by said second means and the presence of the at least one compressed voice message for converting the at least one compressed voice message to timed samples representative of said at least one compressed voice message; and
(d) fourth means for storing the timed samples in a memory.

89. A paging device as defined in claim 88 , wherein said second means comprises:
a comparator for comparing a predetermined stored address of said paging device with said coded address and, in response to said comparison, automatically generating a record enable signal, without reference to a separate record enable signal from the external source, for initiating converting and storing of the at least one compressed voice message.

90. A paging device as defined in claim 89 , wherein said second means further comprises:
means for deactivating said fourth means when said record enable signal ceases.

91. A paging device as defined in claim 89 , further comprising:
an edge detector sensitive to an edge of said record enable signal for automatically resetting and initiating said paging device to permit said fourth means to store a new compressed voice message.

92. A paging device as defined in claim 88 , further comprising:
a memory address selector for storing information indicative of available memory space to protect said fourth means from storing over previously stored messages.

93. A paging device as defined in claim 90 , wherein said second means terminates said record enable signal upon sensing the completion of a message.

94. A paging device as defined in claim 90 , further comprising:
a timer wherein said second means is responsive to said timer to terminate said record enable signal upon expiration of a preset period of time.

95. A paging device as defined in claim 89 , wherein said second means generates said record enable signal continuously for the duration of the received compressed analog voice message.

96. A paging device as defined in claim 88 , wherein said second means comprises:
voice actuated means for generating a record enable signal in response to the incoming at least one compressed voice message, without reference to a separate record enable signal from the external source, to initiate converting and storing of the at least one compressed voice message.

97. A Raging device as defined in claim 88 , wherein said information transmitted from the external source further includes command data, wherein said coded address and said command data are followed with substantially no delay by the at least one compressed voice message.

98. A paging device as defined in claim 88 , wherein the length of said at least one compressed voice message is variable.

99. A paging device as defined in claim 88 , wherein said fourth means sequentially stores timed samples representative of compressed voice messages having different lengths.

100. A paging device as defined in claim 89 , wherein said third means operates during said record enable signal.

101. A paging device as defined in claim 88 , further comprising:
(e) fifth means for retrieving the stored timed samples representative of a compressed voice message from-memory in response to an operator activated playback switch; and
(f) sixth means for converting the retrieved timed samples representative of the compressed voice message to decompressed format.

102. A paging device as defined in claim 101 , further comprising:
(g) seventh means for audibilizing the decompressed voice message.

103. A paging device as defined in claim 101 , wherein said fifth means includes means for selectively retrieving timed samples representative of a stored compressed voice message from a plurality of stored compressed voice messages.

104. A paging device as defined in claim 92 , wherein said memory address selector-generates a signal to erase the stored timed samples representative of a compressed voice message which has resided in memory longer than any other stored timed samples representative of any other compressed voice message.

105. A paging device as defined in claim 88 , wherein said fourth means stores the timed samples representative of the compressed voice message silently.

106. A paging device as defined in claim 88 , comprising:
a message indicator for alerting an operator of the at least one compressed voice message being received.

107. A paging device as defined in claim 88 , further comprising:
a message indicator for alerting an operator after the timed samples representative of the compressed voice message have been stored.

108. A paging device as defined in claim 88 , further comprising:
an indicator for alerting an operator that the memory is full.

109. A paging device as defined in claim 88 , further comprising:
eighth means for counting the number of compressed voice messages received.

110. A voice storage communication system including:
at least one transmitting station selectively addressing and transmitting a communication packet including an address code followed by a voice message;
a receiving circuit responsive to said communication packet;
a decoder connected to said receiving circuit and generating a record enable signal in response to said communication packet;
a message recording circuit recording timed samples representative of said voice message of said communication packet in a memory in response to said record enable signal at a first data rate;
playback circuitry for reproducing said voice message from said timed samples, and
a timing circuit for clocking said timed samples from said memory at a second data rate which is different from said first data rate.

111. A voice storage communication system as defined in claim 110 , wherein said decoder additionally comprises:
a comparator for comparing said predetermined stored address with said communication packet address code and automatically generating said record enable signal in response to said comparison, without reference to a separate record enable signal from said transmitter.

112. A voice storage communication system as defined in claim 111 , wherein said message recording circuit terminates recording of said timed samples when said decoder ceases to generate said record enable signal.

113. A voice storage communication system as defined in claim 110 , additionally comprising:
an edge detector circuit for automatic resetting of the voice storage communication system to permit said memory to record tired samples representative of a new voice message.

114. A voice storage communication system as defined in claim 110 , additionally comprising:
a timer for terminating said message recording circuit upon expiration of a predetermined period of time thereby enabling said memory to record timed samples representative of a new voice message.

115. A voice storage communication system as defined in claim 110 , wherein said communication packet has a voice message whose length is variable.

116. A voice storage communication system as defined in claim 110 , wherein said memory sequentially stores timed samples representative of voice messages having different lengths.

117. A voice storage communication system as defined in claim 110 , additionally comprising:
an operator activated playback switch for retrieving said timed samples stored in said memory and for initiating clocking of timed samples representing said stored voice message at said second data rate.

118. A voice storage communication system as defined in claim 110 , additionally comprising:
a message indicator for alerting an operator of said voice message being received and recorded in said memory.

119. A voice storage communication system as defined in claim 110 , wherein said communication packet additionally includes command data wherein said address code and said command data is followed with substantially no delay by said voice messages in said communication data packet.

120. A voice storage communication system as defined in claim 110 , additionally comprising:
a record switch for allowing an operator to dictate messages for storing in said memory at said second rate.

121. A voice storage communication system as defined in claim 110 , wherein said transmitting station additionally comprises:
a second message recording circuit recording timed samples representative of voice messages in a second memory at a third rate, and
a transmitting circuit for accessing said timed samples from said second memory and transmitting said timed samples at a fourth rate, said fourth rate being higher than said third rate.

122. A voice storage communication system as defined in claim 121 , wherein said fourth rate is equal to said first rate.

123. A voice storage communication system as defined in claim 121 , wherein said second memory stores timed samples representative of messages in a stacked, sequential order.

124. A voice storage communication system as defined in claim 110 , additionally comprising:
counter circuitry for monitoring said voice messages being recorded in said memory, said memory when full, simultaneously initializing said counter circuitry and enabling said memory to erase an oldest recorded voice message first.

125. A voice storage communication system as defined in claim 110 , additionally comprising:
a message indicator for alerting an operator of said voice messages previously stored in said memory.

126. A voice storage communication system as defined in claim 110 , wherein said communication packet additionally comprises:
rate data defining said first data rate.

127. A receiving station for receiving a communication packet including an address code followed by a compressed voice message, comprising:
a register storing a predetermined address for said receiving station;
a receiving circuit responsive to said communication packet;
a decoder connected to said receiving circuit for comparing said predetermined stored address with said communication packet address code and generating a record enable signal in response to said comparison;
a message recording circuit recording timed samples representative of said compressed voice message of said communication packet in a memory in response to said record enable signal at a first data rate;
a playback circuit for reproducing said voice message from said timed samples, and
a timing circuit for clocking said timed samples representative of said stored compressed voice message from said memory at a second data rate which is slower than said first data rate to restore said voice message to its original frequency.

128. A receiver for receiving voice messages from a transmitter, the voice messages having been compressed at said transmitter thereby shifting their frequency upward, comprising:
a receiving circuit for receiving said compressed voice messages;
a message recording circuit connected to said receiving circuit, said message recording circuit recording timed samples representing said compressed voice messages: and
a frequency shifting circuit connected to said message recording circuit for reproducing said stored voice messages from said timed samples at a rate which shifts the frequency of said stored voice messages to normal speech frequency.

129. A method of receiving a communication packet including an address code followed by a compressed voice message, comprising the steps of:
comparing said address code in said communication packet with a stored address and generating a record enable signal; and
recording timed samples representing said voice message in a memory in response to said record enable signal alone.

Join the waitlist — get patent alerts

Track USRE37618E — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.