HK23893A - Frequency switching circuit for multiple scan rate video display apparatus - Google Patents

Frequency switching circuit for multiple scan rate video display apparatus

Info

Publication number
HK23893A
HK23893A HK238/93A HK23893A HK23893A HK 23893 A HK23893 A HK 23893A HK 238/93 A HK238/93 A HK 238/93A HK 23893 A HK23893 A HK 23893A HK 23893 A HK23893 A HK 23893A
Authority
HK
Hong Kong
Prior art keywords
display apparatus
switching circuit
video display
frequency switching
scan rate
Prior art date
Application number
HK238/93A
Other languages
English (en)
Inventor
Robert Allen Barnes
Original Assignee
Rca Thomson Licensing 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 Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of HK23893A publication Critical patent/HK23893A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/27—Circuits special to multi-standard receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Controls And Circuits For Display Device (AREA)
HK238/93A 1984-02-21 1993-03-18 Frequency switching circuit for multiple scan rate video display apparatus HK23893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/581,513 US4645989A (en) 1984-02-21 1984-02-21 Frequency switching circuit for multiple scan rate video display apparatus

Publications (1)

Publication Number Publication Date
HK23893A true HK23893A (en) 1993-03-26

Family

ID=24325491

Family Applications (1)

Application Number Title Priority Date Filing Date
HK238/93A HK23893A (en) 1984-02-21 1993-03-18 Frequency switching circuit for multiple scan rate video display apparatus

Country Status (10)

Country Link
US (1) US4645989A (fr)
JP (1) JPS60194675A (fr)
KR (1) KR930004006B1 (fr)
BE (1) BE901778A (fr)
CA (1) CA1231180A (fr)
DE (1) DE3505871C2 (fr)
FR (1) FR2559980B1 (fr)
GB (1) GB2154838B (fr)
HK (1) HK23893A (fr)
IT (1) IT1183335B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646786B2 (ja) * 1985-04-19 1994-06-15 ソニー株式会社 マルチ走査形テレビジヨン受像機の水平偏向回路
GB2177270A (en) * 1985-06-19 1987-01-14 Philips Electronic Associated Line output circuit for generating a sawtooth current at two frequencies
DE3529961A1 (de) * 1985-08-22 1987-03-05 Loewe Opta Gmbh Schaltungsanordnung in einem bildschirmgeraet zur vermeidung von geometrieverzerrungen bei der darstellung von texten, grafiken und symbolen
GB8618140D0 (en) * 1986-07-24 1986-09-03 Microvitec Plc Horizontal deflection stage
US4761587A (en) * 1986-12-17 1988-08-02 Rca Licensing Corporation Multiple frequency horizontal oscillator for video apparatus
DE3743601C3 (de) * 1986-12-31 1995-04-20 Gold Star Co Hochspannung-Stabilisierschaltung für Überhitzungsschutz
US5325025A (en) * 1993-03-19 1994-06-28 Zenith Electronics Corporation Multiple frequency horizontal scan compensation system
KR19990061597A (ko) * 1997-12-31 1999-07-26 전주범 모니터의 스캔 b＋전압 생성회로

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786303A (en) * 1971-04-12 1974-01-15 Sperry Rand Corp Cathode ray tube dual mode horizontal deflection control amplifier
US3784872A (en) * 1971-09-02 1974-01-08 Ball Brothers Res Corp Scan deflection circuit device
FR2171928B1 (fr) * 1972-02-16 1975-06-13 Oceanic
US3816792A (en) * 1972-12-21 1974-06-11 Sperry Rand Corp Cathode ray tube high speed electromagnetic deflection system
JPS5940346B2 (ja) * 1977-03-04 1984-09-29 株式会社日立製作所 水平偏向装置
JPS5937916B2 (ja) * 1978-04-17 1984-09-12 三洋電機株式会社 テレビジヨン受像機の水平回路の保護回路
US4400653A (en) * 1982-03-24 1983-08-23 Tektronix, Inc. Resonant scan deflection circuit with flyback voltage limiting
US4588929A (en) * 1983-05-25 1986-05-13 Rca Corporation Power supply and deflection circuit providing multiple scan rates

Also Published As

Publication number Publication date
DE3505871C2 (de) 1987-04-16
KR850006813A (ko) 1985-10-16
DE3505871A1 (de) 1985-08-22
GB8503767D0 (en) 1985-03-20
FR2559980A1 (fr) 1985-08-23
JPH0511468B2 (fr) 1993-02-15
GB2154838B (en) 1987-05-20
GB2154838A (en) 1985-09-11
BE901778A (fr) 1985-06-17
CA1231180A (fr) 1988-01-05
JPS60194675A (ja) 1985-10-03
KR930004006B1 (ko) 1993-05-19
IT1183335B (it) 1987-10-22
IT8519483A0 (it) 1985-02-13
FR2559980B1 (fr) 1989-04-14
US4645989A (en) 1987-02-24

Similar Documents

Publication Publication Date Title
EP0150991A3 (en) Video display apparatus video display apparatus
GB2226938B (en) Video display apparatus
EP0183625A3 (en) Television signal receiving apparatus
EP0267020A3 (en) Television channel selection apparatus employing multi-picture display
GB8420973D0 (en) Progressive scan television display
HK1002136A1 (en) Television synchronising apparatus
EP0122561A3 (en) Television video signal synchronizing apparatus
GB2142200B (en) Drive circuit for multiple scan rate line deflection circuit
GB8519840D0 (en) Electronic switching apparatus
GB2154838B (en) Frequency switching circuit for multiple scan rate video display apparatus
EP0153053A3 (en) Video display apparatus
KR960009801B1 (en) Linear correction for multiple frequency video apparatus
GB2145602B (en) Television display scanning system
DE3475852D1 (en) Gas-insulated switching apparatus
GB2137855B (en) Switching circuit apparatus
HK23096A (en) Deflection circuit for video display apparatus
GB8508668D0 (en) Video display apparatus
GB8430936D0 (en) Television deflection circuit
GB8612388D0 (en) Closed circuit television apparatus
GB8425361D0 (en) Television apparatus
GB2227912B (en) Deflection circuit for video display apparatus
GB8408338D0 (en) Colour television signal generating apparatus
GB2196214B (en) Video display apparatus
KR960008383B1 (en) Video display apparatus
GB2151824B (en) Video display control apparatus

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040214

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)