JPS5215226A - Color demodulation circuit - Google Patents

Color demodulation circuit

Info

Publication number
JPS5215226A
JPS5215226A JP9129775A JP9129775A JPS5215226A JP S5215226 A JPS5215226 A JP S5215226A JP 9129775 A JP9129775 A JP 9129775A JP 9129775 A JP9129775 A JP 9129775A JP S5215226 A JPS5215226 A JP S5215226A
Authority
JP
Japan
Prior art keywords
demodulation circuit
color demodulation
over
color difference
difference signals
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
JP9129775A
Other languages
Japanese (ja)
Other versions
JPS5829677B2 (en
Inventor
Takafumi Okada
Atsushi Matsuzaki
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 JP50091297A priority Critical patent/JPS5829677B2/en
Priority to FR7622573A priority patent/FR2319263A1/en
Publication of JPS5215226A publication Critical patent/JPS5215226A/en
Publication of JPS5829677B2 publication Critical patent/JPS5829677B2/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
    • H04N9/44—Colour synchronisation
    • H04N9/47—Colour synchronisation for sequential signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To correct erroneous change-over conditions and to constantly obtain the specified color difference signals over the entire field with various frequency discriminators.
COPYRIGHT: (C)1977,JPO&Japio
JP50091297A 1975-07-25 1975-07-25 Irofukuchiyou Cairo Expired JPS5829677B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50091297A JPS5829677B2 (en) 1975-07-25 1975-07-25 Irofukuchiyou Cairo
FR7622573A FR2319263A1 (en) 1975-07-25 1976-07-23 SECAM colour TV demodulator - has phase correcting circuit using demodulated colour identifiiiication signal to provide correct chrominance signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091297A JPS5829677B2 (en) 1975-07-25 1975-07-25 Irofukuchiyou Cairo

Publications (2)

Publication Number Publication Date
JPS5215226A true JPS5215226A (en) 1977-02-04
JPS5829677B2 JPS5829677B2 (en) 1983-06-24

Family

ID=14022525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091297A Expired JPS5829677B2 (en) 1975-07-25 1975-07-25 Irofukuchiyou Cairo

Country Status (2)

Country Link
JP (1) JPS5829677B2 (en)
FR (1) FR2319263A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168610A (en) * 1980-05-30 1981-12-24 Olympus Optical Co Ltd Image pickup device
JPS5778513A (en) * 1980-11-04 1982-05-17 Minolta Camera Co Ltd Zoom lens system
JPS57133413A (en) * 1981-02-13 1982-08-18 Olympus Optical Co Ltd Focal length matching mechanism for zoom lens barrel
JPS61159894A (en) * 1984-12-31 1986-07-19 Nec Home Electronics Ltd Magnetic disc reproducing device
US5075709A (en) * 1989-01-19 1991-12-24 Minolta Camera Kabushiki Kaisha Camera with a zoom lens
JPH0698240A (en) * 1992-12-17 1994-04-08 Hitachi Ltd Automatic focusing device for video camera
US5448413A (en) * 1991-05-11 1995-09-05 Canon Kabushiki Kaisha Apparatus for controlling the lens position of a zoom lens

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923518B2 (en) * 1977-07-28 1984-06-02 ソニー株式会社 Color signal demodulation circuit for SECAM color television receivers
JPS54159125A (en) * 1978-06-07 1979-12-15 Sony Corp Correction circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051627A (en) * 1973-09-07 1975-05-08

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535580A (en) * 1967-06-22 1968-08-09 Radiotechnique Improvements to color identification devices for television receivers
FR1584522A (en) * 1968-05-06 1969-12-26
JPS4922565B1 (en) * 1970-07-28 1974-06-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051627A (en) * 1973-09-07 1975-05-08

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168610A (en) * 1980-05-30 1981-12-24 Olympus Optical Co Ltd Image pickup device
JPS5778513A (en) * 1980-11-04 1982-05-17 Minolta Camera Co Ltd Zoom lens system
JPH0125043B2 (en) * 1980-11-04 1989-05-16 Minolta Camera Kk
JPS57133413A (en) * 1981-02-13 1982-08-18 Olympus Optical Co Ltd Focal length matching mechanism for zoom lens barrel
JPS61159894A (en) * 1984-12-31 1986-07-19 Nec Home Electronics Ltd Magnetic disc reproducing device
JPH0147076B2 (en) * 1984-12-31 1989-10-12 Nippon Denki Hoomu Erekutoronikusu Kk
US5075709A (en) * 1989-01-19 1991-12-24 Minolta Camera Kabushiki Kaisha Camera with a zoom lens
US5448413A (en) * 1991-05-11 1995-09-05 Canon Kabushiki Kaisha Apparatus for controlling the lens position of a zoom lens
JPH0698240A (en) * 1992-12-17 1994-04-08 Hitachi Ltd Automatic focusing device for video camera
JPH0697784B2 (en) * 1992-12-17 1994-11-30 株式会社日立製作所 Video camera autofocus device

Also Published As

Publication number Publication date
FR2319263A1 (en) 1977-02-18
JPS5829677B2 (en) 1983-06-24
FR2319263B1 (en) 1982-06-04

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