ATE6566T1 - Projektionsfernsehgeraet. - Google Patents

Projektionsfernsehgeraet.

Info

Publication number
ATE6566T1
ATE6566T1 AT81200581T AT81200581T ATE6566T1 AT E6566 T1 ATE6566 T1 AT E6566T1 AT 81200581 T AT81200581 T AT 81200581T AT 81200581 T AT81200581 T AT 81200581T AT E6566 T1 ATE6566 T1 AT E6566T1
Authority
AT
Austria
Prior art keywords
deflection
projection
sensing
sensing means
projection television
Prior art date
Application number
AT81200581T
Other languages
English (en)
Inventor
Richard Geoffrey Stow
Original Assignee
N.V. Philips' Gloeilampenfabrieken
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 N.V. Philips' Gloeilampenfabrieken filed Critical N.V. Philips' Gloeilampenfabrieken
Application granted granted Critical
Publication of ATE6566T1 publication Critical patent/ATE6566T1/de

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
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Studio Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Telephone Function (AREA)
  • Details Of Television Scanning (AREA)
AT81200581T 1980-06-10 1981-05-29 Projektionsfernsehgeraet. ATE6566T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8018880A GB2078069B (en) 1980-06-10 1980-06-10 Projection television apparatus
EP81200581A EP0041754B1 (de) 1980-06-10 1981-05-29 Projektionsfernsehgerät

Publications (1)

Publication Number Publication Date
ATE6566T1 true ATE6566T1 (de) 1984-03-15

Family

ID=10513924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81200581T ATE6566T1 (de) 1980-06-10 1981-05-29 Projektionsfernsehgeraet.

Country Status (6)

Country Link
US (1) US4404500A (de)
EP (1) EP0041754B1 (de)
JP (1) JPS5726981A (de)
AT (1) ATE6566T1 (de)
DE (1) DE3162495D1 (de)
GB (1) GB2078069B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732002A1 (de) * 1987-09-23 1989-04-06 Gerald Dipl Phys Meyer Farbfernsehprojektionseinrichtung mit selbsttaetiger korrektur von bildgeometrie und farbkonvergenz

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521720A (en) * 1982-05-28 1985-06-04 Zenith Electronics Corporation Projection TV CRT burn protection
US4642532A (en) * 1984-05-10 1987-02-10 Rca Corporation Projection TV deflection loss protection circuit
US5036260A (en) * 1990-04-30 1991-07-30 Thomson Consumer Electronics, Inc. Self biasing protection arrangement for a cathode ray tube
US5089754A (en) * 1990-04-30 1992-02-18 Thomson Consumer Electronics, Inc. Protection circuit for a cathode ray tube
US5036257A (en) * 1990-04-30 1991-07-30 Thomson Consumer Electronics, Inc. Projection TV deflection loss protection circuit
US5034665A (en) * 1990-04-30 1991-07-23 Thomson Consumer Electronics, Inc. Deflection loss protection arrangement for a CRT
JP3127963B2 (ja) * 1990-12-26 2001-01-29 株式会社日立製作所 陰極線管ディスプレイ
US5130615A (en) * 1991-07-01 1992-07-14 Thomson Consumer Electronics, Inc. Television apparatus having kinescope spot burn protection circuit with extended grid cut-off time constant
US5389952A (en) * 1992-12-02 1995-02-14 Cordata Inc. Low-power-consumption monitor standby system
US5821924A (en) * 1992-09-04 1998-10-13 Elonex I.P. Holdings, Ltd. Computer peripherals low-power-consumption standby system
US5463289A (en) * 1993-01-30 1995-10-31 Samsung Electronics Co., Ltd. First grid muting circuit
JP3834990B2 (ja) * 1998-03-06 2006-10-18 ソニー株式会社 陰極線管表示装置
KR100301512B1 (ko) * 1998-12-31 2001-09-06 구자홍 영상표시기기의스크린보호방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090889A (en) * 1960-05-03 1963-05-21 Bell Telephone Labor Inc Electron beam intensity control circuit
US3399324A (en) * 1965-02-09 1968-08-27 Sylvania Electric Prod Television camera circuits
CH489972A (fr) * 1968-04-22 1970-04-30 Setalec S A Dispositif pour la protection des récepteurs de télévision
JPS4824320U (de) * 1971-07-27 1973-03-22
US3848945A (en) * 1973-03-16 1974-11-19 Warwick Electronics Inc Brightness limiting circuit
JPS5516391Y2 (de) * 1974-08-05 1980-04-16
US3963961A (en) * 1974-12-23 1976-06-15 United Technologies Corporation Cathode ray tube phosphor protection circuit
JPS5315218U (de) * 1976-07-19 1978-02-08
JPS5832378Y2 (ja) * 1977-06-23 1983-07-18 松下電器産業株式会社 コンバ−ゼンス装置
NL7709969A (nl) * 1977-09-12 1979-03-14 Philips Nv Kleuren beeldweergeefinrichting met een schake- ling voor het opwekken van een schermroosterspan- ning.
JPS54145023U (de) * 1978-03-30 1979-10-08
JPS5539779U (de) * 1978-09-04 1980-03-14
US4198661A (en) * 1979-02-01 1980-04-15 American Optical Corporation Cathode ray tube burn-in prevention apparatus
US4297619A (en) * 1981-01-02 1981-10-27 Zenith Radio Corporation Phosphor protection circuit for multiple CRT projection television

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732002A1 (de) * 1987-09-23 1989-04-06 Gerald Dipl Phys Meyer Farbfernsehprojektionseinrichtung mit selbsttaetiger korrektur von bildgeometrie und farbkonvergenz

Also Published As

Publication number Publication date
EP0041754B1 (de) 1984-03-07
JPH027223B2 (de) 1990-02-16
EP0041754A2 (de) 1981-12-16
JPS5726981A (en) 1982-02-13
DE3162495D1 (en) 1984-04-12
EP0041754A3 (en) 1982-03-03
US4404500A (en) 1983-09-13
GB2078069A (en) 1981-12-23
GB2078069B (en) 1984-03-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee