JPH029748B2 - - Google Patents

Info

Publication number
JPH029748B2
JPH029748B2 JP56143855A JP14385581A JPH029748B2 JP H029748 B2 JPH029748 B2 JP H029748B2 JP 56143855 A JP56143855 A JP 56143855A JP 14385581 A JP14385581 A JP 14385581A JP H029748 B2 JPH029748 B2 JP H029748B2
Authority
JP
Japan
Prior art keywords
transistor
signal
clamp circuit
emitter
circuit
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 - Lifetime
Application number
JP56143855A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5846772A (ja
Inventor
Takao Shinkawa
Chuichi Sodeyama
Masaki Noda
Shigeo Matsura
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
Original Assignee
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 Ltd filed Critical Hitachi Ltd
Priority to JP56143855A priority Critical patent/JPS5846772A/ja
Publication of JPS5846772A publication Critical patent/JPS5846772A/ja
Publication of JPH029748B2 publication Critical patent/JPH029748B2/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)
JP56143855A 1981-09-14 1981-09-14 映像クランプ回路 Granted JPS5846772A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56143855A JPS5846772A (ja) 1981-09-14 1981-09-14 映像クランプ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56143855A JPS5846772A (ja) 1981-09-14 1981-09-14 映像クランプ回路

Publications (2)

Publication Number Publication Date
JPS5846772A JPS5846772A (ja) 1983-03-18
JPH029748B2 true JPH029748B2 (enrdf_load_stackoverflow) 1990-03-05

Family

ID=15348528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56143855A Granted JPS5846772A (ja) 1981-09-14 1981-09-14 映像クランプ回路

Country Status (1)

Country Link
JP (1) JPS5846772A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691625B2 (ja) * 1984-06-06 1994-11-14 株式会社東芝 クランプ回路

Also Published As

Publication number Publication date
JPS5846772A (ja) 1983-03-18

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