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Diver locator system

  • US 5,185,725 A
  • Filed: 04/03/1992
  • Issued: 02/09/1993
  • Est. Priority Date: 04/03/1992
  • Status: Expired due to Fees
First Claim
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1. A locator module physically configured to be carried by a first underwater diver for displaying the location relative to said locator module of each of a plurality of transponders respectively carried by other divers, where each transponder transmits a unique time delay encoded response pulse in response to an interrogation pulse from said locator module, said locator module comprising:

  • transmitter means for transmitting a substantially omnidirectional interrogation pulse;

    a plurality of spaced receiver means for receiving said unique time delay encoded response pulses transmitted by said transponders;

    processor means responsive to each response pulse received by said receiver means for identifying the transponder from which the response pulse was transmitted and for determining the range and bearing of the identified transponder relative to said locator module; and

    display means for displaying the range and bearing determined for each identified transponder.

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