Theft or loss alarm system

The system warns the owner if a wallet or purse, or other item is lost or stolen. It includes a credit card shaped radio receiver which, in use, is located in or on the item, and a radio transmitter carried by the owner. The receiver includes a bleeper which is energized when the receiver fails to r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALAN TWEDDELL, RONALD GEORGE CONNOR
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The system warns the owner if a wallet or purse, or other item is lost or stolen. It includes a credit card shaped radio receiver which, in use, is located in or on the item, and a radio transmitter carried by the owner. The receiver includes a bleeper which is energized when the receiver fails to receive a radio signal due to the distance between the transmitter and receiver becoming excessive.