Avalanche victim locating apparatus

Details Avalanche victim locating apparatus Avalanche victim locating apparatus

1988-01-15

1989-07-18

Myracle, Jerry W.

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

340573, 343725, 455 88, 455 89, 455 90, G01S 502

Patent

active

048500313

ABSTRACT:
An avalanche rescue system in which reliable triggering conserves power and permits a high power alarm to be transmitted from a victim to a survivor. Triggering is provided by light sensitive elements on the user, or by a signal transmitted from a survivor. Microprocessor control synchronizes VHF information signal transmission and burst microwave transmission from a victim as well as received signal processing by a survivor. A directional multiple antenna array is switched to provide directional signals displayed to the survivor. A garment is used to affix the system to the person of the user. A unit includes a case and a cover, and the directional antenna array is extended when the cover is opened.

REFERENCES:
patent: 3777267 (1973-12-01), Van der Floe et al.
patent: 3806936 (1974-04-01), Koster
patent: 4045799 (1977-08-01), Dapiran

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