GB2050105B - Automatic chroma gain control circuit for secam coder - Google Patents

Automatic chroma gain control circuit for secam coder

Info

Publication number
GB2050105B
GB2050105B GB8010325A GB8010325A GB2050105B GB 2050105 B GB2050105 B GB 2050105B GB 8010325 A GB8010325 A GB 8010325A GB 8010325 A GB8010325 A GB 8010325A GB 2050105 B GB2050105 B GB 2050105B
Authority
GB
United Kingdom
Prior art keywords
control circuit
gain control
chroma gain
automatic chroma
secam
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
GB8010325A
Other versions
GB2050105A (en
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.)
RCA Corp
Original Assignee
RCA 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
Priority claimed from US06/094,279 external-priority patent/US4264918A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of GB2050105A publication Critical patent/GB2050105A/en
Application granted granted Critical
Publication of GB2050105B publication Critical patent/GB2050105B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
    • H04N11/183—Encoding means therefor
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Color Television Systems (AREA)
GB8010325A 1979-04-05 1980-03-27 Automatic chroma gain control circuit for secam coder Expired GB2050105B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7912024 1979-04-05
US06/094,279 US4264918A (en) 1979-04-05 1979-11-19 Automatic chroma gain control circuits useful in secam coders

Publications (2)

Publication Number Publication Date
GB2050105A GB2050105A (en) 1980-12-31
GB2050105B true GB2050105B (en) 1983-06-15

Family

ID=26271138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8010325A Expired GB2050105B (en) 1979-04-05 1980-03-27 Automatic chroma gain control circuit for secam coder

Country Status (3)

Country Link
DE (1) DE3013195C2 (en)
FR (1) FR2453573B1 (en)
GB (1) GB2050105B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528527A (en) * 1982-03-08 1985-07-09 Rca Corporation SECAM Modulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283611A1 (en) * 1974-08-30 1976-03-26 Thomson Csf DEVICE FOR CONTROLLING THE REST FREQUENCY OF A COLOR TELEVISION SUB-CARRIER AND CORRESPONDING ENCODERS FOR THE SECAM SYSTEM
DE2446539A1 (en) * 1974-09-28 1976-04-15 Bosch Gmbh Robert CIRCUIT ARRANGEMENT FOR AUTOMATIC GAMMA ADJUSTMENT
GB2031676B (en) * 1978-09-02 1983-05-11 Marconi Instruments Ltd Frequency modulation systems

Also Published As

Publication number Publication date
FR2453573A1 (en) 1980-10-31
DE3013195C2 (en) 1982-11-11
GB2050105A (en) 1980-12-31
DE3013195A1 (en) 1980-10-23
FR2453573B1 (en) 1986-05-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee