Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Indazole inhibitors of the Wnt signal pathway and therapeutic uses thereof
Speech signal restoration device and speech signal restoration method
Generating and implementing a signal protocol and interface for higher data rates
Method and apparatus for digital broadcasting service
Device for handling powder for a welding apparatus
Estimating a state of at least one target using a plurality of sensors
Electric power monitor
  Randomly Featured Patents
Bone fixation system
Two-way manually operated pump structure
Gemstone setting
Wiring board, method for producing same, display device, and electronic device
Device for forming a dough strand
Secure dynamic credential distribution over a network
Transmission of data on multirate networks
Process for producing polycarbonate resin with high flowability
Pavement marker
Comfort evaluating apparatus for motor vehicles with means for evaluating the longitudinal acceleration