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Low power telecommunication controller for a host computer server

  • US 6,089,456 A
  • Filed: 06/07/1996
  • Issued: 07/18/2000
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A handheld low power user device for accessing and controlling interactive bidirectional real time voice and data telecommunications with a host server over a telecommunication path,said handheld low power user device comprising a communication transceiver, a microprocessor, a power supply interface and an operator interface selected from among a keypad, a bar code reader, an audio system comprising a speaker, a display screen and a microphone,wherein the communication transceiver comprises a low power sleep mode, a voice and data modem, and a DTMF or an MF tone generator, and wherein said communication transceiver is connected to and in communication with a component selected from among the telecommunication path, the microprocessor and the audio system;

  • wherein said audio system comprises a dual power audio system having a low power sleep mode;

    wherein said bar code reader comprises a low power bar code reader having a low power sleep mode and a low power means for detecting proximity of a bar code media;

    wherein said microprocessor comprises a program read only memory, a protected memory and a random access memory, and wherein said microprocessor is connected to and in communication with the transceiver and an operator interface selected from among the bar code reader and the display screen;

    wherein the power supply interface is connected to the microprocessor and supplies less than about 300 milliwatts of power to operate said handheld low power user device when off hook.

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