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System for transmitting and receiving signals of serial data interface format and serial digital data interface format on the same path

  • US 5,946,307 A
  • Filed: 03/14/1996
  • Issued: 08/31/1999
  • Est. Priority Date: 03/16/1995
  • Status: Expired due to Term
First Claim
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1. A data receiving apparatus which receives a transmission signal containing a plurality of transmission packets, each of said transmission packets being classified as a first type of transmission packet which has at least a control part containing packet classification data at a predetermined position indicating that said transmission packet is classified as said first type of transmission packet and a data part containing one or more series of transmission data of a fixed data length or a variable data length, or being classified as a second type of transmission packet having said predetermined control part at said predetermined position containing packet classification data which indicates that said transmission packet is classified as said second type of transmission packet and said data part containing one or more series of transmission data of said fixed data length, said control part and said data part of said second type of transmission packet each being a same length, respectively, as the control part and data part of said first type of transmission packet,said data receiving apparatus comprising:

  • a receiving means for receiving said transmission signal from along a transmission path and extracting one of said transmission packets contained in said received transmission signal;

    a packet classification data detecting means for detecting packet classification data at a predetermined position of said extracted transmission packet; and

    a packet separating means for separating and recognizing and classifying said extracted transmission packet as said first type of transmission packet when said packet classification data indicates that said transmission packet is classified as said first type of transmission packet, or as said second type of transmission packet when said packet classification data indicates that said transmission packet is classified as said second type of transmission packet.

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