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A data transmission system for interfacing with a telephone communication line includes a bar code reader and a hand-held bar code scanning device for reading bar coded information, such as a lottery ticket number, and generating electrical signals representative thereof. The system also includes a

A data transmission system for interfacing with a telephone communication line includes a bar code reader and a hand-held bar code scanning device for reading bar coded information, such as a lottery ticket number, and generating electrical signals representative thereof. The system also includes a program-storing memory and a processor for converting the electrical signals to a format recognizable by a telephone system, i.e. dial pulses or dual tone signals. A display is provided for displaying the electrical signals. A telephone network interface is employed to transmit the telephone system recognizable signals to the telephone line.

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A lottery agent data communications system for interfacing via a telephone system with a voice responsive instant lottery system, said data communications system comprising: means for reading a bar coded number and generating electrical signals representative thereof, said reading means including a

A lottery agent data communications system for interfacing via a telephone system with a voice responsive instant lottery system, said data communications system comprising: means for reading a bar coded number and generating electrical signals representative thereof, said reading means including a bar code reader and a bar code scanning device connected to said reader; means responsive to said electrical signals generated by said bar code reader for converting said signals to telephone system recognizable signals; means responsive to said converting means for transmitting said telephone system recognizable signals into said telephone system; and means responsive to telephone system recognizable signals generated by the voice responsive instant lottery system and transmitted over said telephone system to said lottery agent data communications system, whereby said data communications system reads and transmits a bar coded telephone number to establish a connection to said voice responsive instant lottery system over said telephone system, reads and transmits a bar coded lottery ticket number to said voice responsive instant lottery system over said telephone system, and receives telephone system recognizable signals generated by said voice responsive instant lottery system to determine whether said bar coded lottery ticket is a winner.