Legislated emergency locating transmitters and emergency positio

Details Legislated emergency locating transmitters and emergency positio Legislated emergency locating transmitters and emergency positio

1984-09-28

1988-10-11

Masinick, Michael A.

Telecommunications

Transmitter

Mobile or portable

455 67, 455115, 455117, H04B 1034

Patent

active

047776560

ABSTRACT:
An emergency locating transmitting (ELT) system comprising a legislated ELT modified with an interface unit and connected by a multiwire cable to a remote control monitor (RCM), typically located at the pilot position. The RCM can remotely (1) test the ELT by disabling the legislated swept tone and allowing transmission of a single tone, (2) turn the ELT "on" for legislated ELT transmission, and (3) reset the ELT to an "armed" condition. The RCM also provides visual and audio indications of transmitter operating condition as well as ELT battery condition. Removing the RCM or shorting or opening the interface input connections will not affect traditional ELT operation.

REFERENCES:
patent: 3553587 (1967-04-01), Aass
patent: 3701945 (1972-10-01), Gallant
patent: 3737782 (1973-06-01), Pierce
patent: 4088948 (1978-05-01), Miedema
patent: 4418426 (1983-11-01), Singletary

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