G - Physics – 08 – B
Patent
G - Physics
08
B
340/124
G08B 13/14 (2006.01)
Patent
CA 1326516
ABSTRACT A document retainer is provided with clip switch contact sensors in the retainer receptacles. Documents held in the receptacles keep the clip switch contact faces in a spaced relationship by being interposed therebetween. When a document is withdrawn, the contact faces spring into engagement thereby closing so that an alarm circuit having both audible and inaudible alarms is energized to facilitate indication of the document withdrawal. A resettable timing device is provided to suppress the audible alarm for a period of time considered sufficient for a credit card transaction to occur. The resettable is in the form of a compact module that can be inserted into a receptacle in a wallet or can be attached to another object by use of a provided releasable attachment device. The attachment device can be equipped with a detector to sense if the retainer has become detached from the object to which it was attached and to energize the alarm circuit such that it circumvents any alarm suppression and energizes the audible and inaudible alarms immediately.
614615
Mccarthy Tetrault Llp
Weiss Andrew Ernest
LandOfFree
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