CA1239198A - Am synchronous detecting circuit - Google Patents

Am synchronous detecting circuit

Info

Publication number
CA1239198A
CA1239198A CA000480045A CA480045A CA1239198A CA 1239198 A CA1239198 A CA 1239198A CA 000480045 A CA000480045 A CA 000480045A CA 480045 A CA480045 A CA 480045A CA 1239198 A CA1239198 A CA 1239198A
Authority
CA
Canada
Prior art keywords
signal
demodulating
carrier
phase
modulated
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.)
Expired
Application number
CA000480045A
Other languages
English (en)
French (fr)
Inventor
Yoshikazu Nishimura
Yoshimi Yasukouchi
Hisao Asakura
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
Application granted granted Critical
Publication of CA1239198A publication Critical patent/CA1239198A/en
Expired 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)
CA000480045A 1984-04-27 1985-04-25 Am synchronous detecting circuit Expired CA1239198A (en)

Applications Claiming Priority (2)

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
JP85733/84 1984-04-27

Publications (1)

Publication Number Publication Date
CA1239198A true CA1239198A (en) 1988-07-12

Family

ID=13867038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000480045A Expired CA1239198A (en) 1984-04-27 1985-04-25 Am synchronous detecting circuit

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
JPH0574994B2 (enExample) 1993-10-19
JPS60229596A (ja) 1985-11-14
DE3581225D1 (de) 1991-02-14
EP0160531A3 (en) 1987-03-25

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Legal Events

Date Code Title Description
MKEX Expiry