Class 178/69.6 - Call

Subclass of Class 178 - Telegraphy
Definition: Means for signaling a remote operator, who, in response
No. of patents: 3
Last issue date: 10/21/1980

Number	Title	Issue Date
4229621	Transmitting means for use in a high speed, low noise digital data communication system Transmitting means for use in a serial type data transmission channel employing a plurality of coaxial lines for communicating digital data from the transmitting means to a receiving means. The transmitter means provides for transmission of data messages ...	10/21/1980
4229623	Receiving means for use in a high speed, low noise digital data communication system Receiving means for use in a serial type data transmission system employing a plurality of coaxial lines. Digital data is transmitted to the receiving means in a manner such that one coaxial line contains data comprised of messages interposed with message...	10/21/1980
4229741	Two-way communications system and method of synchronizing A control unit and a remote unit each including a transmitter and receiver with the remote unit transmitter and control unit receiver being synchronized first by means of a variable oscillator in the control unit and connected to the receiver in a closed ...	10/21/1980

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