JPS5919469A - クランプ回路 - Google Patents

クランプ回路

Info

Publication number
JPS5919469A
JPS5919469A JP57128435A JP12843582A JPS5919469A JP S5919469 A JPS5919469 A JP S5919469A JP 57128435 A JP57128435 A JP 57128435A JP 12843582 A JP12843582 A JP 12843582A JP S5919469 A JPS5919469 A JP S5919469A
Authority
JP
Japan
Prior art keywords
transistor
signal
capacitor
emitter
black level
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
JP57128435A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0430229B2 (OSRAM
Inventor
Masaaki Tsuruta
雅明 鶴田
Shigeo Komuro
小室　茂雄
Makoto Onga
恩賀　誠
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 JP57128435A priority Critical patent/JPS5919469A/ja
Publication of JPS5919469A publication Critical patent/JPS5919469A/ja
Publication of JPH0430229B2 publication Critical patent/JPH0430229B2/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
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP57128435A 1982-07-23 1982-07-23 クランプ回路 Granted JPS5919469A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57128435A JPS5919469A (ja) 1982-07-23 1982-07-23 クランプ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57128435A JPS5919469A (ja) 1982-07-23 1982-07-23 クランプ回路

Publications (2)

Publication Number Publication Date
JPS5919469A true JPS5919469A (ja) 1984-01-31
JPH0430229B2 JPH0430229B2 (OSRAM) 1992-05-21

Family

ID=14984668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57128435A Granted JPS5919469A (ja) 1982-07-23 1982-07-23 クランプ回路

Country Status (1)

Country Link
JP (1) JPS5919469A (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489415A (en) * 1977-12-27 1979-07-16 Matsushita Electric Ind Co Ltd Clamp circuit
JPS57207483A (en) * 1981-06-17 1982-12-20 Fujitsu Ltd Clamp circuit
JPS5888972A (ja) * 1981-11-24 1983-05-27 Toshiba Corp 直流分再生回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489415A (en) * 1977-12-27 1979-07-16 Matsushita Electric Ind Co Ltd Clamp circuit
JPS57207483A (en) * 1981-06-17 1982-12-20 Fujitsu Ltd Clamp circuit
JPS5888972A (ja) * 1981-11-24 1983-05-27 Toshiba Corp 直流分再生回路

Also Published As

Publication number Publication date
JPH0430229B2 (OSRAM) 1992-05-21

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