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
Systems and methods for velocity profile based approach to point control
Requirements model comparative analysis method for effort estimation in customizing a network monitoring and control system
Methods for isolating ligands of the human bitter taste receptor TAS2R49
White light emitting lamp and white LED lighting apparatus including the same
Single well reservoir characterization apparatus and methods
Vehicle control system
Method of fabricating display device
  Randomly Featured Patents
Network management
Apparatus and method for built-in self-test of a data communications system
Organic EL devices
Edge design for electrochromic devices
Joining continuous lengths of web materials
Process for iohexol manufacture
Portable gun for discharging highly pressurized fluid material
Brake system stabilizer assembly
Enhanced yield platelet collection systems and methods
Aquarium extension