JPH021472B2 - - Google Patents

Info

Publication number
JPH021472B2
JPH021472B2 JP57104927A JP10492782A JPH021472B2 JP H021472 B2 JPH021472 B2 JP H021472B2 JP 57104927 A JP57104927 A JP 57104927A JP 10492782 A JP10492782 A JP 10492782A JP H021472 B2 JPH021472 B2 JP H021472B2
Authority
JP
Japan
Prior art keywords
circuit
control circuit
negative feedback
signal
voltage
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
JP57104927A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58221575A (ja
Inventor
Masahiro Kumano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57104927A priority Critical patent/JPS58221575A/ja
Publication of JPS58221575A publication Critical patent/JPS58221575A/ja
Publication of JPH021472B2 publication Critical patent/JPH021472B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • 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
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP57104927A 1982-06-17 1982-06-17 ビデオ信号用ガンマ補正回路 Granted JPS58221575A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57104927A JPS58221575A (ja) 1982-06-17 1982-06-17 ビデオ信号用ガンマ補正回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57104927A JPS58221575A (ja) 1982-06-17 1982-06-17 ビデオ信号用ガンマ補正回路

Publications (2)

Publication Number Publication Date
JPS58221575A JPS58221575A (ja) 1983-12-23
JPH021472B2 true JPH021472B2 (enrdf_load_stackoverflow) 1990-01-11

Family

ID=14393726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57104927A Granted JPS58221575A (ja) 1982-06-17 1982-06-17 ビデオ信号用ガンマ補正回路

Country Status (1)

Country Link
JP (1) JPS58221575A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61103967U (enrdf_load_stackoverflow) * 1984-12-07 1986-07-02

Also Published As

Publication number Publication date
JPS58221575A (ja) 1983-12-23

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