JPS51113534A - Digital video signal level controlling circuit - Google Patents

Digital video signal level controlling circuit

Info

Publication number
JPS51113534A
JPS51113534A JP3870975A JP3870975A JPS51113534A JP S51113534 A JPS51113534 A JP S51113534A JP 3870975 A JP3870975 A JP 3870975A JP 3870975 A JP3870975 A JP 3870975A JP S51113534 A JPS51113534 A JP S51113534A
Authority
JP
Japan
Prior art keywords
video signal
signal level
digital video
controlling circuit
level controlling
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
JP3870975A
Other languages
Japanese (ja)
Other versions
JPS6058634B2 (en
Inventor
Kohei Saito
Hideo Akiyama
Takashi Mizuguchi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3870975A priority Critical patent/JPS6058634B2/en
Publication of JPS51113534A publication Critical patent/JPS51113534A/en
Publication of JPS6058634B2 publication Critical patent/JPS6058634B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Studio Circuits (AREA)
  • Television Receiver Circuits (AREA)

Abstract

PURPOSE:To cause video signal level to be well controlled by control signal by multiplying value of video signal having pedestal potential as the reference by digital value of control voltage.
JP3870975A 1975-03-31 1975-03-31 Digital video signal level control circuit Expired JPS6058634B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3870975A JPS6058634B2 (en) 1975-03-31 1975-03-31 Digital video signal level control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3870975A JPS6058634B2 (en) 1975-03-31 1975-03-31 Digital video signal level control circuit

Publications (2)

Publication Number Publication Date
JPS51113534A true JPS51113534A (en) 1976-10-06
JPS6058634B2 JPS6058634B2 (en) 1985-12-20

Family

ID=12532832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3870975A Expired JPS6058634B2 (en) 1975-03-31 1975-03-31 Digital video signal level control circuit

Country Status (1)

Country Link
JP (1) JPS6058634B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58170106A (en) * 1982-03-30 1983-10-06 Matsushita Electric Ind Co Ltd Contrast controller

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720316U (en) * 1993-04-02 1995-04-11 眞司 吉川 Drainage gutter
JPH07310312A (en) * 1994-05-17 1995-11-28 Seiwa:Kk Cut-off structure of waterway

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58170106A (en) * 1982-03-30 1983-10-06 Matsushita Electric Ind Co Ltd Contrast controller

Also Published As

Publication number Publication date
JPS6058634B2 (en) 1985-12-20

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