JPS60229596A - 直交２相変調信号の復調回路 - Google Patents

直交２相変調信号の復調回路

Info

Publication number
JPS60229596A
JPS60229596A JP59085733A JP8573384A JPS60229596A JP S60229596 A JPS60229596 A JP S60229596A JP 59085733 A JP59085733 A JP 59085733A JP 8573384 A JP8573384 A JP 8573384A JP S60229596 A JPS60229596 A JP S60229596A
Authority
JP
Japan
Prior art keywords
signal
circuit
output
phase
synchronous detection
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
JP59085733A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0574994B2 (enExample
Inventor
Yoshiichi Nishimura
西村　芳一
Yoshimi Yasukochi
安河内　喜美
Hisao Asakura
朝倉　久男
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP59085733A priority Critical patent/JPS60229596A/ja
Priority to DE8585302933T priority patent/DE3581225D1/de
Priority to CA000480045A priority patent/CA1239198A/en
Priority to EP85302933A priority patent/EP0160531B1/en
Priority to US06/727,561 priority patent/US4633187A/en
Publication of JPS60229596A publication Critical patent/JPS60229596A/ja
Publication of JPH0574994B2 publication Critical patent/JPH0574994B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/66—Circuits for processing colour signals for synchronous demodulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)
JP59085733A 1984-04-27 1984-04-27 直交２相変調信号の復調回路 Granted JPS60229596A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59085733A JPS60229596A (ja) 1984-04-27 1984-04-27 直交２相変調信号の復調回路
DE8585302933T DE3581225D1 (de) 1984-04-27 1985-04-25 Demodulatorschaltungen fuer amplitudenmodulierte signale.
CA000480045A CA1239198A (en) 1984-04-27 1985-04-25 Am synchronous detecting circuit
EP85302933A EP0160531B1 (en) 1984-04-27 1985-04-25 Demodulator circuits for amplitude-modulated signals
US06/727,561 US4633187A (en) 1984-04-27 1985-04-26 AM synchronous detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59085733A JPS60229596A (ja) 1984-04-27 1984-04-27 直交２相変調信号の復調回路

Publications (2)

Publication Number Publication Date
JPS60229596A true JPS60229596A (ja) 1985-11-14
JPH0574994B2 JPH0574994B2 (enExample) 1993-10-19

Family

ID=13867038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59085733A Granted JPS60229596A (ja) 1984-04-27 1984-04-27 直交２相変調信号の復調回路

Country Status (5)

Country Link
US (1) US4633187A (enExample)
EP (1) EP0160531B1 (enExample)
JP (1) JPS60229596A (enExample)
CA (1) CA1239198A (enExample)
DE (1) DE3581225D1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2964899B2 (ja) * 1995-02-28 1999-10-18 日本電気株式会社 符号化と復号化周波数同期方法
US5801895A (en) * 1996-05-28 1998-09-01 Hewlett Packard Company Disk drive servo demodulation system which suppresses noise on the position error signal
EP0849955A3 (en) * 1996-12-17 2000-05-03 Lg Electronics Inc. Device and method for generating a composite color signal with digital QAM
US5926220A (en) * 1997-06-18 1999-07-20 C-Cube Microsystems, Inc. Composite digital video decoder and digital compressor
US7679685B2 (en) * 2006-02-24 2010-03-16 Panasonic Automotive Systems of America division of Panasonic Corporation of North America System and method for processing video signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987481A (en) * 1974-05-09 1976-10-19 Motorola, Inc. Color television signal demodulation system
FR2368184A1 (fr) * 1976-10-18 1978-05-12 Ibm France Systeme de synchronisation de porteuse pour demodulateur de phase coherent
DE3272758D1 (en) * 1981-11-09 1986-09-25 Matsushita Electric Industrial Co Ltd A synchronous video detector circuit using phase-locked loop

Also Published As

Publication number Publication date
US4633187A (en) 1986-12-30
EP0160531A2 (en) 1985-11-06
EP0160531B1 (en) 1991-01-09
CA1239198A (en) 1988-07-12
JPH0574994B2 (enExample) 1993-10-19
DE3581225D1 (de) 1991-02-14
EP0160531A3 (en) 1987-03-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term