Rescue aiding apparatus and search system
First Claim
1. A rescue aiding apparatus for aiding in an operation to search a lost person urgently needing protection, comprising:
- radio receiving means for receiving a radio signal transmitted as a search signal by a search party; and
radio transmitting means operable in response to said search signal for transmitting a radio signal as a response signal for enabling said operation to search said lost person;
wherein said radio transmitting means includes self-position computing means for deriving data corresponding to a self-position from radio wave signals transmitted from a plurality of radio wave transmitting stations, and position data inclusive signal transmitting means for outputting a radio signal including data indicative of said self-position provided by said self-position computing means.
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Accused Products
Abstract
A rescue aiding apparatus carried by a lost person includes a radio receiver for receiving a radio signal, a radio transmitter for transmitting a radio signal, and a power supply for supplying working power. When the radio receiver receives a radio search signal transmitted from a search party, the power supply supplies operating power to the radio transmitter. The apparatus thereby becomes fully operable, and the radio transmitter transmits a radio signal as a response signal for enabling a search for the lost person needing protection. Even when the lost person is unable to make a rescue request, the search party can, on their own will, place the rescue aiding apparatus carried by the lost person in a fully operable state to notify the search party of a current position of the lost person.
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Citations
9 Claims
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1. A rescue aiding apparatus for aiding in an operation to search a lost person urgently needing protection, comprising:
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radio receiving means for receiving a radio signal transmitted as a search signal by a search party; and radio transmitting means operable in response to said search signal for transmitting a radio signal as a response signal for enabling said operation to search said lost person; wherein said radio transmitting means includes self-position computing means for deriving data corresponding to a self-position from radio wave signals transmitted from a plurality of radio wave transmitting stations, and position data inclusive signal transmitting means for outputting a radio signal including data indicative of said self-position provided by said self-position computing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A search system comprising:
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rescue aiding means including a radio receiver for receiving a radio signal transmitted as a search signal by a search party, and a radio transmitter operable in response to said search signal for transmitting a radio signal as a response signal for enabling an operation to search a lost person, said radio transmitter including position data exclusive signal transmitting means for outputting a radio signal without data indicative of a self-position; a radio communication station for transmitting said search signal to said rescue aiding means; two receiving means installed at two locations spaced apart from each other, and including directional antennas, respectively; and indicator means for measuring arrival directions of said response signal at said two locations based on reception by said receiving means of said response signal from said rescue aiding means, and indicating current position information on said lost person to said search party based on said arrival directions and a distance between said two locations.
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Specification