G - Physics – 08 – B
Patent
G - Physics
08
B
325/44
G08B 21/00 (2006.01) H04B 7/26 (2006.01)
Patent
CA 1260546
ABSTRACT The collar consists of two legs pivoted to each other at one end by a hinge member and releasably locked to each other at the other end by a key-operated lock. The legs are made of shear- resistant material. A radio signal generating and transmitting device and an autonomous power supply are housed within the collar, A trigger switch is closed to activate the device upon opening of a flap by the abducted collar wearer, and circuitry including a silicon controlled rectifier, causes activation of the transmitter and characterized by the impossibility of deactivation thereof, short of complete discharge of the power supply, as long as the lock locks the legs of the collar around the wrist, neck or ankle of the wearer.
543384
Brassard Pierre
Cormier Ginette
Cormier Jacqueline
Leveille Serge
Brassard Pierre
Cormier Ginette
Cormier Jacqueline
Leveille Serge
Martineau Francois
LandOfFree
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