Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1986-11-12
1990-04-10
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
C08B 1314
Patent
active
049164341
ABSTRACT:
A credit card carrier having a plurality of individual card holder pockets formed of celluloid or similar thin plastic material. Each of the pockets is mounted on a flap of the wallet and is adapted to receive a credit card. Each of the pockets is placed one upon another in overlapping relationship and each pocket is provided with an opening for receiving a switch. A switch is formed from a pair of Mylar strips, one of which is the mirror image of the other. The Mylar strips face each other and each facing surface is provided with a thin layer of electrically conducting metallic foil. The switch includes a plurality of arms projecting upwardly and outwardly from the central portion of the strip and all of the arms are electrically connected one to the other. Each of the arms projects into the opening so that each pocket receives one pair of switch arms. The arms are biased toward each other by a spring clip member which engages a portion of each of the arms. A credit card when inserted into a pocket between a pair of arms breaks contact between the arms. A proximity switch is also included in the circuitry which must be closed for an alarm to sound in the event a card is missing from a pocket.
REFERENCES:
patent: 3959789 (1976-05-01), McGahee
patent: 4480250 (1984-10-01), McNeely
patent: 4652865 (1987-03-01), Maharshak
patent: 4719453 (1988-01-01), Beck et al.
Donovan International Corporation
Orsino Joseph A.
Scutch III Frank M.
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