JPS5437412A - Frame synchronous circuit - Google Patents

Frame synchronous circuit

Info

Publication number
JPS5437412A
JPS5437412A JP8330977A JP8330977A JPS5437412A JP S5437412 A JPS5437412 A JP S5437412A JP 8330977 A JP8330977 A JP 8330977A JP 8330977 A JP8330977 A JP 8330977A JP S5437412 A JPS5437412 A JP S5437412A
Authority
JP
Japan
Prior art keywords
frame synchronous
synchronous circuit
circuit
synchronous system
frame
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
JP8330977A
Other languages
Japanese (ja)
Other versions
JPS5755339B2 (en
Inventor
Akio Saburi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8330977A priority Critical patent/JPS5437412A/en
Publication of JPS5437412A publication Critical patent/JPS5437412A/en
Publication of JPS5755339B2 publication Critical patent/JPS5755339B2/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)
  • Time-Division Multiplex Systems (AREA)

Abstract

PURPOSE:To realize a frame synchronous system which prevents the missynchronization as well as the out-of-synchromism caused by the short break of the circuit, by providing the second aperture generating circuit of specified width. Thus, the synchronous system can be applied effectively to the satellite communication system using the semi-millimeter wave.
JP8330977A 1977-07-11 1977-07-11 Frame synchronous circuit Granted JPS5437412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8330977A JPS5437412A (en) 1977-07-11 1977-07-11 Frame synchronous circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8330977A JPS5437412A (en) 1977-07-11 1977-07-11 Frame synchronous circuit

Publications (2)

Publication Number Publication Date
JPS5437412A true JPS5437412A (en) 1979-03-19
JPS5755339B2 JPS5755339B2 (en) 1982-11-24

Family

ID=13798806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8330977A Granted JPS5437412A (en) 1977-07-11 1977-07-11 Frame synchronous circuit

Country Status (1)

Country Link
JP (1) JPS5437412A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568916A (en) * 1979-07-04 1981-01-29 Fujitsu Ltd Unique word detecting circuit
JPS56158548A (en) * 1980-05-09 1981-12-07 Nec Corp Frame synchronism returning circuit
JPS57148444A (en) * 1981-02-06 1982-09-13 Lignes Telegraph Telephon Method and device for synchronizing reception signal including synchronizing pattern
JPS5985154A (en) * 1982-11-05 1984-05-17 Akai Electric Co Ltd Synchronization separating circuit of digital signal
JPS61186040A (en) * 1985-02-14 1986-08-19 Agency Of Ind Science & Technol Communication equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568916A (en) * 1979-07-04 1981-01-29 Fujitsu Ltd Unique word detecting circuit
JPS56158548A (en) * 1980-05-09 1981-12-07 Nec Corp Frame synchronism returning circuit
JPH0221183B2 (en) * 1980-05-09 1990-05-14 Nippon Electric Co
JPS57148444A (en) * 1981-02-06 1982-09-13 Lignes Telegraph Telephon Method and device for synchronizing reception signal including synchronizing pattern
JPS5985154A (en) * 1982-11-05 1984-05-17 Akai Electric Co Ltd Synchronization separating circuit of digital signal
JPS61186040A (en) * 1985-02-14 1986-08-19 Agency Of Ind Science & Technol Communication equipment
JPH0476255B2 (en) * 1985-02-14 1992-12-03 Kogyo Gijutsuin

Also Published As

Publication number Publication date
JPS5755339B2 (en) 1982-11-24

Similar Documents

Publication Publication Date Title
JPS5437412A (en) Frame synchronous circuit
JPS5363905A (en) Selective call communication system
JPS53101260A (en) Selective gate circuit
JPS5434644A (en) Input/output circiut
JPS5366110A (en) Waveform transmitting system
JPS5333509A (en) Offering in-trunk
JPS5224412A (en) Receiver
JPS5312213A (en) Mixer circuit
JPS5393721A (en) Frame synchronous circuit
JPS52143709A (en) Signal synthesizing circuit
JPS5390886A (en) Wiring structure
JPS5336405A (en) Loop transmission system
JPS5315542A (en) Enclosed switchboard wiht buffer chamber
JPS5339045A (en) Distortion rate reduction system
JPS5392122A (en) Speaker unit
JPS53138618A (en) End office device
JPS5374820A (en) Block-based repeating amplification system for carrier contril system
JPS53124008A (en) Call signal transmission system
JPS5223249A (en) Relay flip-flop circuit
JPS5324212A (en) Mul ti-frequency receiver
JPS53118902A (en) Selective inter-call unit
JPS53115107A (en) Re-alternative connection system
JPS53144208A (en) Multiple access system for satellite commumnication
JPS5362402A (en) Loudening telephone unit
JPS5222458A (en) Delay circuit