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
System and method for multi-tiered meta-data caching and distribution in a clustered computer environment
Securing information by hiding identity on a computing device
Scoring users of network based users
Probiotic enriched and low organic acid food products
Methods, systems and apparatus for displaying the multimedia information from wireless communication networks
Method for transforming a single reactor line
  Randomly Featured Patents
Honing head for high-speed operation
Decentralized tracking of packages on a conveyor
Variable rate bushing for stabilizer bar
System and method for identifying semantic intent from acoustic information
Exercise device for exercising of the abdominal muscles
Direct current discharge lamp and light source having the discharge lamp attached to reflector
Method for roasting granular material and an apparatus therefor
Xanthone derivatives and process for producing the same
Room decoration
Process for treating a polyester bicomponent fiber