US2013050009A1PendingUtilityA1

Radar echolocater with audio output

37
Individually held — no corporate assignee on recordPriority: Oct 28, 2003Filed: Feb 21, 2012Published: Feb 28, 2013
Est. expiryOct 28, 2023(expired)· nominal 20-yr term from priority
Inventors:Brian Bandhauer
G01S 13/18A61H 3/061G01S 7/285G01S 13/50
37
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Claims

Abstract

The echolocater device described herein incorporates the features of integrated sampling radar technology to create a unique device that provides, for example, the visually impaired with an excellent new tool to help navigate the world. Much like a bat using its bio-sonar, the visually impaired will be able to hear subtle differences in audio-replicated radar echoes. In one preferred embodiment of the invention, two integrated-sampling type radar receivers are spaced some convenient distance apart. A single transmitter centered between two receivers transmits pulses of an RF carrier. Audio “IF” output from each receiver is processed and sent to a small speaker worn near each ear. With practice, the user of this invention will be able to discern the range, location and motion of individual objects, and may also be able to distinguish particular echo characteristics of differing objects.

Claims

exact text as granted — not AI-modified
1 . An echolocater with audio output, comprising:
 a radar transmitter;   two spaced-apart radar receivers;   said receivers being operatively connected to the system clock of said radar transmitter, and being adapted to down-convert and replicate a radar echo from the radar transmitter, and provide audio output; and,   two spaced-apart sound transducers for receiving the audio output.   
     
     
         2 . The echolocater of  claim 1  wherein the two receivers are identical. 
     
     
         3 . The echolocater of  claim 1  wherein the two sound transducers are identical. 
     
     
         4 . The echolocater of  claim 1  wherein the two sound transducers are speakers. 
     
     
         5 . The echolocater of  claim 1  which is body-worn. 
     
     
         6 . The echolocater of  claim 5  which is a belt-like garment. 
     
     
         7 . The echolocater of  claim 5  which is a vest-like garment. 
     
     
         8 . An echolocater with audio output, comprising:
 a radar transmitter;   two spaced-apart radar receivers;   said receivers being adapted to down-convert and replicate a radar echo from the radar transmitter, by integrated sampling of the echo without the use of mixer or local oscillator components, and provide audio output, and,   two spaced-apart sound transducers for receiving the audio output.   
     
     
         9 . The echolocater of  claim 8  wherein the two receivers are identical. 
     
     
         10 . The echolocater of  claim 8  wherein the two sound transducers are identical. 
     
     
         11 . The echolocater of  claim 8  wherein the two sound transducers are speakers. 
     
     
         12 . The echolocater of  claim 8  which is body-worn. 
     
     
         13 . The echolocater of  claim 12  which is a belt-like garment. 
     
     
         14 . The echolocater of  claim 12  which is a vest-like garment.

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