Avalanche victim locating apparatus
First Claim
1. A rescue transceiver comprising:
- a case;
manually operable control means disposed upon the surface of said case;
antenna means mounted upon said case for movement between a retracted position and an extended position;
a cover mounted over said case for normally enclosing at least a substantial portion of said case;
said cover being movable relative to said case between a standby position in which said cover overlies said control means and an operating position in which said control means is exposed; and
means for moving said antenna means from said retracted position to said extended position in response to movement of said cover from said standby position to said operating position.
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Accused Products
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.
43 Citations
18 Claims
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1. A rescue transceiver comprising:
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a case; manually operable control means disposed upon the surface of said case; antenna means mounted upon said case for movement between a retracted position and an extended position; a cover mounted over said case for normally enclosing at least a substantial portion of said case; said cover being movable relative to said case between a standby position in which said cover overlies said control means and an operating position in which said control means is exposed; and means for moving said antenna means from said retracted position to said extended position in response to movement of said cover from said standby position to said operating position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An emergency rescue transceiver system including at least two similar system units, each said unit comprising:
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first radio transmitting means operating at a first frequency; second radio transmitting means operating at a second frequency; trigger means operable to produce a trigger signal indicative of an emergency condition; logic means coupled to said first and second transmitting means and to said trigger means for operating said first and second transmitting means in response to said trigger signal; said logic means including means for transmitting a first information signal through said first transmitting means; and said logic means including means for transmitting a second directional signal through said second transmitting means. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A rescue radio system for receiving and processing emergency radio signals comprising:
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microwave signal receiving means including a plurality of aimed helical antennas; demodulating means; switch means for alternatively coupling said antennas to said demodulating means; processing means for comparing the relative strengths of signals received by said antennas; and indicating means for indicating the direction of the emergency radio signals relative to the antennas. - View Dependent Claims (17, 18)
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Specification