Patent ID: 6298250
Filing Date: 2001-10-02
Classification: H04B,H04M,H04W

Abstract:
A wireless telephone instrument for prepaid use with an approving central station to communicate with remote stations through a public switched telephone network, consisting of:a housing defining an interior space;an earphone fixed to said housing for providing voice sounds from audio signals;a microphone fixed to said housing for providing audio signals representative of voice sounds;a signal device for commanding attention to said instrument;a transceiver fixed to said housing and connected to, said earphone, said microphone and said signal device for wireless communication with said approving central station and selected ones of said remote stations; anda control unit fixed to said housing including a switch and a memory for storing instrument data on said wireless telephone instrument, said control unit operating to control data flow from said memory for transmission by said transceiver on activation of said switch for an outgoing call to initiate vocal communication with said central station, said control unit further activating said signal device on the occurrence of an incoming call.