JPS6316948B2 - - Google Patents

Info

Publication number
JPS6316948B2
JPS6316948B2 JP54095646A JP9564679A JPS6316948B2 JP S6316948 B2 JPS6316948 B2 JP S6316948B2 JP 54095646 A JP54095646 A JP 54095646A JP 9564679 A JP9564679 A JP 9564679A JP S6316948 B2 JPS6316948 B2 JP S6316948B2
Authority
JP
Japan
Prior art keywords
transistor
clamp
emitter
base
pulse
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
JP54095646A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5620389A (en
Inventor
Hideo Onodera
Hitoshi Fujisaki
Yasuhiro Toyomura
Hideki Kamya
Shigeaki Minamibata
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.)
Hitachi Ltd
Kokusai Denki Electric Inc
Original Assignee
Hitachi Denshi KK
Hitachi 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 Hitachi Denshi KK, Hitachi Ltd filed Critical Hitachi Denshi KK
Priority to JP9564679A priority Critical patent/JPS5620389A/ja
Publication of JPS5620389A publication Critical patent/JPS5620389A/ja
Publication of JPS6316948B2 publication Critical patent/JPS6316948B2/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)
JP9564679A 1979-07-27 1979-07-27 Clamping circuit Granted JPS5620389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9564679A JPS5620389A (en) 1979-07-27 1979-07-27 Clamping circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9564679A JPS5620389A (en) 1979-07-27 1979-07-27 Clamping circuit

Publications (2)

Publication Number Publication Date
JPS5620389A JPS5620389A (en) 1981-02-25
JPS6316948B2 true JPS6316948B2 (en:Method) 1988-04-12

Family

ID=14143260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9564679A Granted JPS5620389A (en) 1979-07-27 1979-07-27 Clamping circuit

Country Status (1)

Country Link
JP (1) JPS5620389A (en:Method)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126210A (en) * 1977-04-11 1978-11-04 Hitachi Ltd Direct current restorer

Also Published As

Publication number Publication date
JPS5620389A (en) 1981-02-25

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