JPS5362921A - Frame synchronous circuit - Google Patents

Frame synchronous circuit

Info

Publication number
JPS5362921A
JPS5362921A JP13778476A JP13778476A JPS5362921A JP S5362921 A JPS5362921 A JP S5362921A JP 13778476 A JP13778476 A JP 13778476A JP 13778476 A JP13778476 A JP 13778476A JP S5362921 A JPS5362921 A JP S5362921A
Authority
JP
Japan
Prior art keywords
synchronous circuit
frame synchronous
counter
detection signal
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13778476A
Other languages
Japanese (ja)
Other versions
JPS5714052B2 (en
Inventor
Masanori Ogasawara
Tatsuaki Sekikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Nippon Telegraph and Telephone Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13778476A priority Critical patent/JPS5362921A/en
Publication of JPS5362921A publication Critical patent/JPS5362921A/en
Publication of JPS5714052B2 publication Critical patent/JPS5714052B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To prevent the phase from being corrected mistakenly by providing a circuit which resets the counter by the first detection signal and allowing only the detection signal occurring within a position where the count value of the counter has + or -n-bit centering on ''0'' to pass through NAND gate.
JP13778476A 1976-11-18 1976-11-18 Frame synchronous circuit Granted JPS5362921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13778476A JPS5362921A (en) 1976-11-18 1976-11-18 Frame synchronous circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13778476A JPS5362921A (en) 1976-11-18 1976-11-18 Frame synchronous circuit

Publications (2)

Publication Number Publication Date
JPS5362921A true JPS5362921A (en) 1978-06-05
JPS5714052B2 JPS5714052B2 (en) 1982-03-20

Family

ID=15206754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13778476A Granted JPS5362921A (en) 1976-11-18 1976-11-18 Frame synchronous circuit

Country Status (1)

Country Link
JP (1) JPS5362921A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039948A (en) * 1983-08-15 1985-03-02 Seiko Epson Corp Timing signal extracting circuit
JPS6123434A (en) * 1984-07-11 1986-01-31 Nippon Telegr & Teleph Corp <Ntt> Error correction circuit
JPS627240A (en) * 1985-07-03 1987-01-14 Nec Corp Synchronization decision system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039948A (en) * 1983-08-15 1985-03-02 Seiko Epson Corp Timing signal extracting circuit
JPH0580850B2 (en) * 1983-08-15 1993-11-10 Seiko Epson Corp
JPS6123434A (en) * 1984-07-11 1986-01-31 Nippon Telegr & Teleph Corp <Ntt> Error correction circuit
JPS627240A (en) * 1985-07-03 1987-01-14 Nec Corp Synchronization decision system

Also Published As

Publication number Publication date
JPS5714052B2 (en) 1982-03-20

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