×

Alarm system for a card holder

  • US 5,373,283 A
  • Filed: 01/16/1992
  • Issued: 12/13/1994
  • Est. Priority Date: 01/30/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A cardholder with alarm comprising:

  • a plurality of interconnected flexible pockets each having an interior for receiving a card and an exterior surface;

    card circuit means associated with the interior of each of the pockets for detecting when a card is absent from one of the pockets;

    control circuit means disposed on the exterior surface of at least a first and a second of the pockets for indicating when the first and second pockets are in overlying relationship, the control circuit means including a conductor defined by a pair of spaced apart conductive strips disposed along the exterior surface of at least the first and second pockets, the strips being electrically interconnected at an end thereof, one of the strips having a gap at some point therealong on the exterior surface of the first pocket, a portion of that strip being positioned on the second pocket to bridge the gap when the first and second pockets are in overlying relationship; and

    alarm means responsive to the card circuit means and the control circuit means for providing an alarm when a card is absent from at least one of the pockets and the first and second pockets are in overlying relationship.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×