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Transmitting method, receiving method, and communication method for bi-directional bus system, and bi-directional bus system

  • US 5,402,419 A
  • Filed: 12/17/1993
  • Issued: 03/28/1995
  • Est. Priority Date: 12/21/1992
  • Status: Expired due to Term
First Claim
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1. A transmitting method for a bi-directional bus system in which a plurality of devices respectively including sub-devices adapted to carry out the operation for a received control command are connected to each other through a bi-directional bus,wherein one frame of a transmit signal on said bi-directional bus consists of an address field for specifying addresses of devices between which communication is carried out, and a data field for specifying a control command for a device or a sub-device,wherein a route select code of a fixed length indicating a communication from a sub-device included in a device to any other device, a communication from a device to a sub-device included in any other device, or a communication from a device to any other device is inserted at a predetermined position of the data field, andwherein the transmit signal in which the route select code is inserted is transmitted through said bi-directional bus.

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