A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 29/02 (2006.01) A62B 99/00 (2009.01) G01S 11/06 (2006.01)
Patent
CA 2255092
An improved rescue device for locating persons buried by avalanches operates in either a transmit mode or a receive mode. A first belt terminator is lockably engagable with a first belt terminator receptor on a case, and is associated with a power switch. The power switch switches between a power on position and a power off position in response to the engagement and disengagement of the first belt terminator with the first belt terminator receptor, and preferably is also independently manually operable. A second belt terminator is lockably engagable with a second belt terminator receptor on the case, and is associated with a mode switch. The mode switch toggles between a transmit mode position and a receive mode position, and preferably is also independently manually operable. A signal processing system generates a visual display which provides graphic information to expedite searching. Prompt icons are displayed when a coarse search or a pinpoint search should be conducted, when the stage of a multistage amplifier should be changed, or when the rescue device needs to be reoriented to obtain maximum signal strength. Preferably, the signal processing system also displays the signal strength as a bar graph and displays an estimated distance to the buried transmitter.
Kampel Gerald
Na
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