DE3360029D1 - Preamplifier - Google Patents

Preamplifier

Info

Publication number
DE3360029D1
DE3360029D1 DE8383200143T DE3360029T DE3360029D1 DE 3360029 D1 DE3360029 D1 DE 3360029D1 DE 8383200143 T DE8383200143 T DE 8383200143T DE 3360029 T DE3360029 T DE 3360029T DE 3360029 D1 DE3360029 D1 DE 3360029D1
Authority
DE
Germany
Prior art keywords
preamplifier
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
DE8383200143T
Other languages
German (de)
English (en)
Inventor
Pieter Bastiaan Dielhof
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3360029D1 publication Critical patent/DE3360029D1/de
Expired 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Picture Signal Circuits (AREA)
  • Manipulation Of Pulses (AREA)
  • Amplifiers (AREA)
DE8383200143T 1982-02-19 1983-01-27 Preamplifier Expired DE3360029D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200670A NL8200670A (nl) 1982-02-19 1982-02-19 Voorversterker.

Publications (1)

Publication Number Publication Date
DE3360029D1 true DE3360029D1 (en) 1985-01-31

Family

ID=19839293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383200143T Expired DE3360029D1 (en) 1982-02-19 1983-01-27 Preamplifier

Country Status (5)

Country Link
US (1) US4518923A (enExample)
EP (1) EP0087180B1 (enExample)
JP (1) JPS58153411A (enExample)
DE (1) DE3360029D1 (enExample)
NL (1) NL8200670A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341326A1 (de) * 1988-05-09 1989-11-15 ANT Nachrichtentechnik GmbH Verfahren zur Wiederherstellung des Gleichspannungswertes bei Videosignalen sowie Anordnung
US5027017A (en) * 1990-01-19 1991-06-25 Rca Licensing Corporation Sync tip clamp circuitry
CN103323111B (zh) * 2013-06-07 2015-01-28 华南理工大学 一种用于光强检测的前置放大及量程自动转换电路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757241A (en) * 1971-11-24 1973-09-04 Keithley Instruments A c amplifier having d c bias stabilization
FR2167404A5 (enExample) * 1972-01-14 1973-08-24 Cit Alcatel
JPS5452418A (en) * 1977-10-04 1979-04-25 Victor Co Of Japan Ltd Stabilization system for black level of color television camera
NL7807071A (nl) * 1978-06-30 1980-01-03 Philips Nv Voorversterker voor een televisiekamera.
JPS5515859U (enExample) * 1978-07-17 1980-01-31
JPS5711582A (en) * 1980-06-25 1982-01-21 Nec Home Electronics Ltd Video amplifying circuit

Also Published As

Publication number Publication date
EP0087180B1 (en) 1984-12-19
EP0087180A1 (en) 1983-08-31
JPH0552706B2 (enExample) 1993-08-06
JPS58153411A (ja) 1983-09-12
US4518923A (en) 1985-05-21
NL8200670A (nl) 1983-09-16

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee