Resources Contact Us Home
Card safety wallet and safety insert

Image Number 2 for United States Patent #5790027.

A safety wallet having an alarm system for detecting a missing or partially inserted card or similar object. At least one pocket or compartment for retaining cards or similar objects is provided with opposing films of conductive material on a dielectric material base. An alarm circuit board is electrically connected with the conductive films such that an audio alarm is activated when the wallet is closed without a card in at least one pocket and the alarm is not activated when cards or similar objects are fully inserted in all the pockets.

  Recently Added Patents
Multicast address learning in an input/output adapter of a network processor
Apparatus and method for controlling services and operations in converged communications networks
Method and system for transmitting deferred media information in an IP multimedia subsystem
Methods and apparatus for calculating electromagnetic scattering properties of a structure using a normal-vector field and for reconstruction of approximate structures
Container for toiletries
System and method for conditioning a diaphragm of a patient
Electronic device, method for viewing desktop thereof, and computer-readable medium
  Randomly Featured Patents
Two-piece can construction
Apparatus for producing strip of stainless steel
Manufacturing process of semi-conductor device
Firmness control device
Electrical device transport medium
Footwear sole
Printing aid, assembly jig therefor, and recording device
Method and apparatus incorporating a one-way sequence for transaction and identity verification
Heavy duty roof drill bit
Method for reducing power consumption of a computer system in the working state