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
Control service for relational data management
Playback device for stereoscopic viewing, integrated circuit, and program
Electric motor
Signal processor and signal processing method
Semiconductor fin device and method for forming the same using high tilt angle implant
Stevia formulation
Method of fabricating semiconductor light emitting device
  Randomly Featured Patents
Oligomeric and polymeric OLED materials produced via arylation of quinones
Soft absorbent tissue containing derivitized amino-functional polysiloxanes
Personal computer storage cabinet
Method of producing a both-side electrogalvanized steel strip in a chloride bath
Paper roll loading method and printer using the method
Substituted keto and alkoxy carbonyl esters of 16-substituted PGE.sub.2 type compounds
Orthogonal frequency coding for surface acoustic wave communication, tag and sensor application
Large scale integrated circuit having low internal operating voltage
Vehicle seat belt tightening system
Substituted urea derivatives as cell adhesion inhibitors