Credit card monitor
First Claim
Patent Images
1. A document holder, comprising:
- a plurality of separators adapted to hold documents there between, said separators constructed from electrically nonconductive material and incorporating electrically conductive members on facing surfaces positioned to form normally closed electrical contact pairs, said contact pairs adapted to be held open by documents inserted there between;
a switching means comprised of said contact pairs connected in electrical parallel;
a power source electrically connected to said switching means;
a time delay means responsive to said switching means; and
an alarm means responsive to said time delay means.
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Accused Products
Abstract
A check or credit card monitor consisting of a plurality of normally closed switches adapted to be held open by insertion of credit cards or similar items between the switch contacts. The contacts are connected in parallel to a timing means adapted to energize a sensory alarm such as an audio signal, vibrator or light a predetermined time after closure of any one of said plurality of switches.
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Citations
13 Claims
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1. A document holder, comprising:
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a plurality of separators adapted to hold documents there between, said separators constructed from electrically nonconductive material and incorporating electrically conductive members on facing surfaces positioned to form normally closed electrical contact pairs, said contact pairs adapted to be held open by documents inserted there between; a switching means comprised of said contact pairs connected in electrical parallel; a power source electrically connected to said switching means; a time delay means responsive to said switching means; and an alarm means responsive to said time delay means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A credit card carrying case, including a credit card monitor comprising:
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means for holding at least one credit card; a time delay means; means responsive to the removal of any one of said credit cards and adapted to initiate said time delay means; and an alarm means responsive to said time delay means timing out for providing a credit card missing alert.
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Specification