Patent ID: 6259726
Filing Date: 2001-07-10
Classification: H04M,H04W

Abstract:
A transmitting system for transmitting modem data between a computer and a telephone line of a telephone system, the transmitting system comprising:a modem coupled to the computer;the computer for providing modem commands to the modem;a mobile unit connected to the modem, said mobile unit having a mobile unit identification value and including:a modem interface coupled to the modem for receiving the modem data and dialing signals from the modem and for providing the modem data to the modem;a mobile unit radio frequency transceiver connected to said modem interface for transmitting the modem data and the dialing signals over a radio frequency channel and for receiving the modem data over the radio frequency channel;mobile unit command processor coupled to said mobile unit radio frequency transceiver for providing and receiving command information over the radio frequency channel; andmobile unit operations controller coupled to said mobile unit command processor for performing operations responsive to the command information received by said mobile unit command processor; anda base unit connected to the telephone line, said base unit having a base unit identification value and including:a data access arrangement for receiving the modem data from and providing the modem data and the dialing signals to the telephone line, wherein the data access arrangement is directly coupled to the telephone line;a base unit radio frequency transceiver coupled to said data access arrangement for transmitting the modem data over the radio frequency channel and for receiving the modem data and the dialing signals over the radio frequency channel, said base unit radio frequency transceiver operating with said mobile unit radio frequency transceiver;base unit command processor coupled to said base unit radio frequency transceiver for providing and receiving the command information over the radio frequency channel; andbase unit operations controller coupled to said base unit command processor for performing operations responsive to the command information received,wherein the command information provided by said mobile unit command processor and said base unit command processor includes said mobile unit identification value and said base unit identification value, wherein said mobile unit operations controller operates only if the command information received includes the mobile unit identification value of said mobile unit, andwherein during communication between said mobile unit and said base unit, said mobile unit transmits the base unit identification value of said base unit so that only said base unit communicates with said mobile unit.