5,982,888 Cash-Key™ Electronic Key and Receptacle
A combination programmable key for storing encrypted data and a receptacle system for reading and programming the programmable key. The programmable key uses a memory storage unit that may be programmed and reprogrammed to store the encrypted data. A receptacle system is used for reading and programming the memory storage unit. The receptacle system has a front plate having a centrally located aperture through which the programmable key is inserted when the receptacle system is to read and/or program the programmable key. A terminal block is coupled to the front plate. The terminal block houses a plurality of contact terminals which are used for contacting the memory storage unit of the programmable key in order to allow a programming device coupled to the receptacle system to read and program the memory storage unit.
6,347,281 GPS Based Collar Using Terrestrial Wireless Technology
A remote global positioning device which is configured to calculate its position and transmit information indicating its position along an existing radio network to a remote destination. The remote global positioning device includes a global positioning receiver configured to receive information from at least one satellite, a radio modem for transmitting information along the radio network to a remote destination, and a micro-controller in operable communication with the global positioning receiver and radio modem. The remote global positioning device is configured to calculate its position using information received from at least one satellite and is configured to transmit information indicating its position along the radio network to a remote destination using the radio modem. A method of locating a remote global positioning device is also provided, and the method includes having the remote global positioning device calculate its position and transmit information indicating its position along a radio network to a remote destination.