G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 25/01 (2006.01) G08B 25/10 (2006.01) H04B 1/38 (2006.01) H04M 1/57 (2006.01) H04M 3/42 (2006.01) H04M 11/04 (2006.01) H04Q 7/32 (2006.01) H04Q 7/24 (2006.01) H04Q 7/36 (2006.01) G01S 5/02 (2006.01)
Patent
CA 2263278
An emergency location system and method for determining the location of a caller sending an emergency signal without utilizing the bandwidth of the calling system. The system is readily attached to existing telephone, radio-telephone and similar communicating devices through existing detachable battery packs. Detection of the need to send the locating signal may be based on automatic detection of a predetermined dialing sequence or through a dedicated switch (i.e., a "panic switch") or both.
L'invention porte sur un système de repérage de détresse et un procédé permettant de localiser un appelant qui envoie un signal de détresse sans utiliser la bande passante du système d'appel. Le système se fixe facilement sur un téléphone, un radio-téléphone ou un système de communication similaire existant, au moyen de bloc-piles amovibles classiques. La détection de la nécessité d'envoyer le signal de repérage peut être fondée sur la détection automatique d'une séquence de nunérotation prédéterminée ou sur l'utilisation d'un interrupteur spécialisé ("interrupteur d'alarme", par exemple) ou sur les deux.
Holt Brian P.
Stewart Arthur L.
Harris Corporation
Oldham Edward H.
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