ES443525A1 - Un aparato de presentacion de television. - Google Patents

Un aparato de presentacion de television.

Info

Publication number
ES443525A1
ES443525A1 ES443525A ES443525A ES443525A1 ES 443525 A1 ES443525 A1 ES 443525A1 ES 443525 A ES443525 A ES 443525A ES 443525 A ES443525 A ES 443525A ES 443525 A1 ES443525 A1 ES 443525A1
Authority
ES
Spain
Prior art keywords
display apparatus
television display
video amplifier
transistor
provision
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
ES443525A
Other languages
English (en)
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
Publication of ES443525A1 publication Critical patent/ES443525A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/148Video amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0283Reducing the number of DC-current paths
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3066Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
    • H03F3/3067Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output with asymmetrical driving of the end stage
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45701Indexing scheme relating to differential amplifiers the LC comprising one resistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Amplifiers (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
ES443525A 1974-12-18 1975-12-16 Un aparato de presentacion de television. Expired ES443525A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7416481.A NL165617C (nl) 1974-12-18 1974-12-18 Televisiebeeldweergeefinrichting met een video- versterker.

Publications (1)

Publication Number Publication Date
ES443525A1 true ES443525A1 (es) 1977-05-01

Family

ID=19822672

Family Applications (1)

Application Number Title Priority Date Filing Date
ES443525A Expired ES443525A1 (es) 1974-12-18 1975-12-16 Un aparato de presentacion de television.

Country Status (17)

Country Link
US (1) US4035840A (es)
JP (1) JPS5759985B2 (es)
AR (1) AR207174A1 (es)
AT (1) AT341018B (es)
AU (1) AU505054B2 (es)
BE (1) BE836694A (es)
BR (1) BR7508295A (es)
CA (1) CA1053366A (es)
DE (1) DE2555687C3 (es)
DK (1) DK568775A (es)
ES (1) ES443525A1 (es)
FR (1) FR2295659A1 (es)
GB (1) GB1532447A (es)
IT (1) IT1051625B (es)
NL (1) NL165617C (es)
NZ (1) NZ179546A (es)
ZA (1) ZA757247B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1034831B (it) * 1975-04-04 1979-10-10 Ates Componenti Elettron Amplificatore di potenza in bassa frequenza in circuito integrato monolitico con circutto esterno combinato per la reiezione alla linea e la determinazione del guadagno
GB1582138A (en) * 1976-07-19 1980-12-31 Rca Corp Video amplifier circuit
US4082996A (en) * 1976-09-27 1978-04-04 Rca Corporation Video amplifier including an a-c coupled voltage follower output stage
US4293875A (en) * 1980-01-03 1981-10-06 Telegram Communications Corp. Wide bandwidth video amplifier
JPS59200510A (ja) * 1983-04-26 1984-11-13 Citizen Watch Co Ltd 低消費電力増巾器
NL8502637A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
DE3540752A1 (de) * 1985-11-16 1987-05-21 Blaupunkt Werke Gmbh Schaltungsanordnung mit steuerbarem verstaerkungsfaktor
FR2674705A1 (fr) * 1991-03-29 1992-10-02 Philips Electro Grand Public Dispositif amplificateur video.
US6680755B2 (en) * 2001-04-05 2004-01-20 Industrial Technology Research Institute Adjustable biased gamma-correction circuit with central-symmetry voltage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070656A (en) * 1959-07-08 1962-12-25 Warwick Mfg Corp Video amplifier

Also Published As

Publication number Publication date
DE2555687B2 (de) 1977-10-20
NL165617C (nl) 1981-04-15
IT1051625B (it) 1981-05-20
BE836694A (fr) 1976-06-16
FR2295659B1 (es) 1982-09-03
ATA957775A (de) 1977-05-15
AU505054B2 (en) 1979-11-08
CA1053366A (en) 1979-04-24
AR207174A1 (es) 1976-09-15
US4035840A (en) 1977-07-12
BR7508295A (pt) 1976-09-08
DE2555687C3 (de) 1978-05-24
FR2295659A1 (fr) 1976-07-16
ZA757247B (en) 1977-06-29
NL7416481A (nl) 1976-06-22
DK568775A (da) 1976-06-19
NZ179546A (en) 1978-11-13
JPS5186314A (es) 1976-07-28
JPS5759985B2 (es) 1982-12-17
AU8758975A (en) 1977-06-23
GB1532447A (en) 1978-11-15
DE2555687A1 (de) 1976-06-24
AT341018B (de) 1978-01-10

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