Assignee
HAYES MICROCOMPUTER PROD
US·55 granted patents·2,428 citations·filing 1980–1994
Top patents by PatentIndex Score
55 records- 0198US4862167AAdaptive data compression method and apparatusHAYES MICROCOMPUTER PROD·Filed 1987·Granted Aug 29, 1989·185 cites·63 claims
- 0297US5627533AAdjusting encoding table size and memory allocation for data compression in response to input dataHAYES MICROCOMPUTER PROD·Filed 1994·Granted May 6, 1997·139 cites·20 claims
- 0397US4972436AHigh performance sigma delta based analog modem front endHAYES MICROCOMPUTER PROD·Filed 1988·Granted Nov 20, 1990·219 cites·39 claims
- 0494US4852151AModem with call waitingHAYES MICROCOMPUTER PROD·Filed 1988·Granted Jul 25, 1989·194 cites·25 claims
- 0589US4938701AConnecting bracket for modular circuit boardsHAYES MICROCOMPUTER PROD·Filed 1988·Granted Jul 3, 1990·65 cites·3 claims
- 0689US4840286AEquipment enclosure with internal fastenersHAYES MICROCOMPUTER PROD·Filed 1988·Granted Jun 20, 1989·85 cites·5 claims
- 0786US5101320AApparatus for rack mounting multiple circuit boardsHAYES MICROCOMPUTER PROD·Filed 1991·Granted Mar 31, 1992·76 cites·8 claims
- 0885US4953210AFeature negotiation protocol for a synchronous modemHAYES MICROCOMPUTER PROD·Filed 1990·Granted Aug 28, 1990·156 cites·28 claims
- 0985US4855873AStandoff and grounding clip assemblyHAYES MICROCOMPUTER PROD·Filed 1988·Granted Aug 8, 1989·50 cites·12 claims
- 1082US4549302AModem with improved escape sequence mechanism to prevent escape in response to random occurrence of escape character in transmitted dataHAYES MICROCOMPUTER PROD·Filed 1983·Granted Oct 22, 1985·53 cites·5 claims
- 1180US4905282AFeature negotiation protocol and dynamically adjustable retraining sequence for a high speed half duplex modemHAYES MICROCOMPUTER PROD·Filed 1988·Granted Feb 27, 1990·68 cites·43 claims
- 1279US4894847AHigh speed half duplex modem with fast turnaround protocolHAYES MICROCOMPUTER PROD·Filed 1987·Granted Jan 16, 1990·76 cites·54 claims
- 1377US4700358ASynchronous/asynchronous modemHAYES MICROCOMPUTER PROD·Filed 1985·Granted Oct 13, 1987·58 cites·73 claims
- 1476US4742482AModem controllerHAYES MICROCOMPUTER PROD·Filed 1985·Granted May 3, 1988·55 cites·28 claims
- 1575US5036527AIterative automatic gain control for an analog front end of a modemHAYES MICROCOMPUTER PROD·Filed 1990·Granted Jul 30, 1991·33 cites·16 claims
- 1675US4866215ACable management system for equipment enclosureHAYES MICROCOMPUTER PROD·Filed 1988·Granted Sep 12, 1989·34 cites·12 claims
- 1774US5179661AMethod and apparatus for serial data flow controlHAYES MICROCOMPUTER PROD·Filed 1989·Granted Jan 12, 1993·43 cites·26 claims
- 1874US5012489AMethod for sending a plurality of data channels over a single communications lineHAYES MICROCOMPUTER PROD·Filed 1988·Granted Apr 30, 1991·54 cites·24 claims
- 1974US4926448AMethod and apparatus for implementing an escape sequenceHAYES MICROCOMPUTER PROD·Filed 1988·Granted May 15, 1990·51 cites·18 claims
- 2074US4884269AMethod and apparatus for connecting ISDN devices over an analog telephone lineHAYES MICROCOMPUTER PROD·Filed 1988·Granted Nov 28, 1989·45 cites·17 claims
- 2173US5007020AMethod for memory addressing and control with reversal of higher and lower addressHAYES MICROCOMPUTER PROD·Filed 1990·Granted Apr 9, 1991·43 cites·8 claims
- 2273US4861276AAdaptor with notched strain relief plateHAYES MICROCOMPUTER PROD·Filed 1988·Granted Aug 29, 1989·35 cites·5 claims
- 2373US4782498AModem with improved handshaking capabilityHAYES MICROCOMPUTER PROD·Filed 1986·Granted Nov 1, 1988·37 cites·33 claims
- 2470US5018166AMethod and apparatus for baud timing recoveryHAYES MICROCOMPUTER PROD·Filed 1989·Granted May 21, 1991·44 cites·43 claims
- 2567US5040194AMethod and apparatus for providing for automatic gain control of incoming signals in a modemHAYES MICROCOMPUTER PROD·Filed 1989·Granted Aug 13, 1991·32 cites·16 claims
- 2666US4716499AEnclosed circuit board assemblyHAYES MICROCOMPUTER PROD·Filed 1986·Granted Dec 29, 1987·24 cites·9 claims
- 2765US4786259ALow profile modular receptacle and method of making sameHAYES MICROCOMPUTER PROD·Filed 1984·Granted Nov 22, 1988·22 cites·6 claims
- 2865US4771438AMethod and apparatus for phase reference recovery in high speed fast turnaround modemHAYES MICROCOMPUTER PROD·Filed 1987·Granted Sep 13, 1988·30 cites·19 claims
- 2964US5654983AMethod and apparatus of operating data communications equipment in command mode and autobaudingHAYES MICROCOMPUTER PROD·Filed 1994·Granted Aug 5, 1997·48 cites·4 claims
- 3063US5717870ASerial port controller for preventing repetitive interrupt signalsHAYES MICROCOMPUTER PROD·Filed 1994·Granted Feb 10, 1998·54 cites·2 claims
- 3160US5001729AHigh speed half duplex modem with fast turnaround protocolHAYES MICROCOMPUTER PROD·Filed 1989·Granted Mar 19, 1991·27 cites·16 claims
- 3257US5384770APacket assemblerHAYES MICROCOMPUTER PROD·Filed 1992·Granted Jan 24, 1995·39 cites·14 claims
- 3357US5040192AMethod and apparatus for optimally autocorrelating an FSK signalHAYES MICROCOMPUTER PROD·Filed 1990·Granted Aug 13, 1991·33 cites·71 claims
- 3456US5070514AMethod and apparatus for clearing data path in half duplex modem receiver while maintaining dynamic parametersHAYES MICROCOMPUTER PROD·Filed 1989·Granted Dec 3, 1991·15 cites·14 claims
- 3554US4440988AModem with low part count and improved demodulatorHAYES MICROCOMPUTER PROD·Filed 1982·Granted Apr 3, 1984·16 cites·3 claims
- 3653US4873394AReceptacle panel for electronic device providing simple assembly and RFI suppressionHAYES MICROCOMPUTER PROD·Filed 1988·Granted Oct 10, 1989·15 cites·8 claims
- 3751US4686490ADigital data modulator and digital-to-analog converterHAYES MICROCOMPUTER PROD·Filed 1986·Granted Aug 11, 1987·17 cites·47 claims
- 3850US4868864AAutocorrelating 2400 bps handshake sequence detectorHAYES MICROCOMPUTER PROD·Filed 1988·Granted Sep 19, 1989·15 cites·25 claims
- 3950US4633183AConstant resolution frequency synthesizerHAYES MICROCOMPUTER PROD·Filed 1985·Granted Dec 30, 1986·10 cites·8 claims
- 4050US4431867AModem with low part count and improved demodulatorHAYES MICROCOMPUTER PROD·Filed 1982·Granted Feb 14, 1984·13 cites·2 claims
- 4147US4504802ADigital PSK modulator for modemHAYES MICROCOMPUTER PROD·Filed 1983·Granted Mar 12, 1985·12 cites·4 claims
- 4244US4808937APhase-locked loop for a modemHAYES MICROCOMPUTER PROD·Filed 1986·Granted Feb 28, 1989·14 cites·7 claims
- 4343US4852045AMessage buffer with improved escape sequence and automatic document markingHAYES MICROCOMPUTER PROD·Filed 1988·Granted Jul 25, 1989·12 cites·10 claims
- 4442US4849703AMethod and apparatus for generating a data sampling clock locked to a baud clock contained in a data signalHAYES MICROCOMPUTER PROD·Filed 1988·Granted Jul 18, 1989·11 cites·31 claims
- 4540US5493648ADisplay update controllerHAYES MICROCOMPUTER PROD·Filed 1993·Granted Feb 20, 1996·14 cites·27 claims
- 4638US4885758ASpeed correction and stop bit control circuit for data communications deviceHAYES MICROCOMPUTER PROD·Filed 1988·Granted Dec 5, 1989·10 cites·6 claims
- 4738US4740997ABand clock offset phase locked loopHAYES MICROCOMPUTER PROD·Filed 1986·Granted Apr 26, 1988·8 cites·15 claims
- 4836US5218683AMethod and apparatus for concealing the enablement of a device by modifying a status wordHAYES MICROCOMPUTER PROD·Filed 1992·Granted Jun 8, 1993·8 cites·21 claims
- 4935US4924346AGas discharge surge suppressor for a telephone lineHAYES MICROCOMPUTER PROD·Filed 1989·Granted May 8, 1990·7 cites·12 claims
- 5035US4910474AMethod and apparatus for generating phase and amplitude modulated signalsHAYES MICROCOMPUTER PROD·Filed 1989·Granted Mar 20, 1990·7 cites·39 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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