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
Device for increasing chip testing efficiency and method thereof
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
System and method for testing an integrated circuit embedded in a system on a chip
Method and system for detecting center pivot collision
Method and apparatus for efficiently inserting fills in an integrated circuit layout
Systems and methods for port mirroring with network-scoped connection-oriented sink
Method and system for weighted fair queuing
  Randomly Featured Patents
Recliner apparatus
Gate valve and cylinder apparatus
Turbocharger with sliding blades having combined dynamic surfaces and heat screen and uncoupled axial actuating device
Isolation of phenyl ester salts from mixtures comprising sulfolane
Mold vent
System for informing users about urban transport
Exercise machine
Method for the treatment of calcifying pancreatitis
Golf club back cavity
Heat treatable coated article with diamond-like carbon (DLC) and/or zirconium in coating