JPS57116461A - Burst timing detecting circuit - Google Patents

Burst timing detecting circuit

Info

Publication number
JPS57116461A
JPS57116461A JP56002027A JP202781A JPS57116461A JP S57116461 A JPS57116461 A JP S57116461A JP 56002027 A JP56002027 A JP 56002027A JP 202781 A JP202781 A JP 202781A JP S57116461 A JPS57116461 A JP S57116461A
Authority
JP
Japan
Prior art keywords
circuit
burst
pulse
signal
burst signal
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.)
Pending
Application number
JP56002027A
Other languages
Japanese (ja)
Inventor
Masao Iida
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP56002027A priority Critical patent/JPS57116461A/en
Publication of JPS57116461A publication Critical patent/JPS57116461A/en
Pending 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
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To detect the start of a burst accurately by a simple circuit by keeping the initial pulse of a burst signal invariably to a ''1'' and setting the half period of the burst signal longer than the continuation period of the burst signal. CONSTITUTION:A monostable multivibrator 1 and a rise detecting circuit 2 are provided, and the circuit 2 consists of a delay circuit 3 and an AND circuit A. When a burst signal (a) is inputted to the monostable multivibrator 1, the initial pulse ''1'' of the signal (a) is used as a trigger pulse, and the pulse (b) with pulse width T'1 is outputted from the monostable multivibrator 1. This T'1 is longer than the continuance time T1 of the burst signal and shorter than burst half time T2. This signal (b) is generated each time the burst signal is present, and is inputted to the circuit 2. Thus, a burst starting pulse (c) with width equivalent to the delay time TL of the circuit appears at the output side of the circuit A.
JP56002027A 1981-01-12 1981-01-12 Burst timing detecting circuit Pending JPS57116461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56002027A JPS57116461A (en) 1981-01-12 1981-01-12 Burst timing detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56002027A JPS57116461A (en) 1981-01-12 1981-01-12 Burst timing detecting circuit

Publications (1)

Publication Number Publication Date
JPS57116461A true JPS57116461A (en) 1982-07-20

Family

ID=11517842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56002027A Pending JPS57116461A (en) 1981-01-12 1981-01-12 Burst timing detecting circuit

Country Status (1)

Country Link
JP (1) JPS57116461A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144464A (en) * 1980-04-14 1981-11-10 Ricoh Co Ltd Toner end detector of copying machine
US5701296A (en) * 1995-02-10 1997-12-23 Nec Corporation Reliable burst signal detecting apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144464A (en) * 1980-04-14 1981-11-10 Ricoh Co Ltd Toner end detector of copying machine
JPS6346420B2 (en) * 1980-04-14 1988-09-14 Ricoh Kk
US5701296A (en) * 1995-02-10 1997-12-23 Nec Corporation Reliable burst signal detecting apparatus

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