JPS57115076A - Synchronous detection type carrier regenerating circuit of medium velocity facsimile - Google Patents

Synchronous detection type carrier regenerating circuit of medium velocity facsimile

Info

Publication number
JPS57115076A
JPS57115076A JP56001901A JP190181A JPS57115076A JP S57115076 A JPS57115076 A JP S57115076A JP 56001901 A JP56001901 A JP 56001901A JP 190181 A JP190181 A JP 190181A JP S57115076 A JPS57115076 A JP S57115076A
Authority
JP
Japan
Prior art keywords
filter
level
facsimile
carrier frequency
switch 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
JP56001901A
Other languages
English (en)
Other versions
JPS6348471B2 (ja
Inventor
Yoichi Tan
Fumio Miyao
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP56001901A priority Critical patent/JPS57115076A/ja
Priority to US06/337,190 priority patent/US4517531A/en
Priority to DE19823200405 priority patent/DE3200405A1/de
Priority to GB8200714A priority patent/GB2095060B/en
Publication of JPS57115076A publication Critical patent/JPS57115076A/ja
Publication of JPS6348471B2 publication Critical patent/JPS6348471B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP56001901A 1981-01-09 1981-01-09 Synchronous detection type carrier regenerating circuit of medium velocity facsimile Granted JPS57115076A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56001901A JPS57115076A (en) 1981-01-09 1981-01-09 Synchronous detection type carrier regenerating circuit of medium velocity facsimile
US06/337,190 US4517531A (en) 1981-01-09 1982-01-05 Carrier wave reproducing circuit in synchronized detection system of medium speed facsimile
DE19823200405 DE3200405A1 (de) 1981-01-09 1982-01-08 Schaltungsanordnung zur wiedergewinnung der traegerwelle in einem synchrongleichrichtungssystem zur faksimileuebertragung mittlerer geschwindigkeit
GB8200714A GB2095060B (en) 1981-01-09 1982-01-11 Carrier wave reproducing circuit in a synchronized detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56001901A JPS57115076A (en) 1981-01-09 1981-01-09 Synchronous detection type carrier regenerating circuit of medium velocity facsimile

Publications (2)

Publication Number Publication Date
JPS57115076A true JPS57115076A (en) 1982-07-17
JPS6348471B2 JPS6348471B2 (ja) 1988-09-29

Family

ID=11514475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56001901A Granted JPS57115076A (en) 1981-01-09 1981-01-09 Synchronous detection type carrier regenerating circuit of medium velocity facsimile

Country Status (4)

Country Link
US (1) US4517531A (ja)
JP (1) JPS57115076A (ja)
DE (1) DE3200405A1 (ja)
GB (1) GB2095060B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074745A (ja) * 1983-09-30 1985-04-27 Hitachi Ltd タイミング抽出回路
US4790009A (en) * 1984-10-29 1988-12-06 Victor Company Of Japan, Ltd. Scrambler system
GB2176923B (en) * 1985-06-25 1989-01-05 Plessey Co Plc Frequency dividing arrangements
US4691343A (en) * 1986-05-27 1987-09-01 Tenenbaum David M Noise elimination system for pictures and the like
NL8602819A (nl) * 1986-11-07 1988-06-01 Philips Nv Direktmengende synchroonontvanger.
US4803704A (en) * 1986-12-22 1989-02-07 Tandberg Data A/S Circuit arrangement for the recognition of impermissable phase errors in a phase locked loop
US6291980B1 (en) * 1999-10-13 2001-09-18 Quantum Corporation High-resolution measurement of phase shifts in high frequency phase modulators
JP4750297B2 (ja) * 2000-02-28 2011-08-17 キヤノン株式会社 通信装置、方法、それを用いた画像形成装置、画像形成装置に接続されるユニット及び画像形成システム
US8232807B2 (en) * 2006-10-25 2012-07-31 Textron Innovations Inc. Apparatus for detecting imbalances in a paired line
US20080100308A1 (en) * 2006-10-25 2008-05-01 Robert Crick Apparatus for detecting imbalances in a paired line
WO2008123470A1 (ja) * 2007-03-29 2008-10-16 Advantest Corporation 復調装置、試験装置および電子デバイス

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138972A (en) * 1979-04-17 1980-10-30 Matsushita Graphic Commun Syst Inc Processing method of demodulation signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312901A (en) * 1963-11-04 1967-04-04 Bell Telephone Labor Inc Bipolar vestigial sideband data signal detector
US4130839A (en) * 1977-09-12 1978-12-19 Minnesota Mining And Manufacturing Company Circuitry for a facsimile receiver for regeneration of carrier for an amplitude modulated suppressed carrier signal
JPS54114914A (en) * 1978-02-28 1979-09-07 Fujitsu Ltd Radio unit for use with phase synchronizing circuit
US4313139A (en) * 1980-02-11 1982-01-26 Exxon Research & Engineering Co. Carrier recovery circuit for a facsimile system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138972A (en) * 1979-04-17 1980-10-30 Matsushita Graphic Commun Syst Inc Processing method of demodulation signal

Also Published As

Publication number Publication date
US4517531A (en) 1985-05-14
JPS6348471B2 (ja) 1988-09-29
GB2095060A (en) 1982-09-22
DE3200405C2 (ja) 1989-06-15
DE3200405A1 (de) 1982-09-02
GB2095060B (en) 1984-12-19

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