DE3765879D1 - Bildroehre und farbfernsehprojektionsvorrichtung mit einer solchen bildroehre. - Google Patents

Bildroehre und farbfernsehprojektionsvorrichtung mit einer solchen bildroehre.

Info

Publication number
DE3765879D1
DE3765879D1 DE8787201392T DE3765879T DE3765879D1 DE 3765879 D1 DE3765879 D1 DE 3765879D1 DE 8787201392 T DE8787201392 T DE 8787201392T DE 3765879 T DE3765879 T DE 3765879T DE 3765879 D1 DE3765879 D1 DE 3765879D1
Authority
DE
Germany
Prior art keywords
picture
color
projection device
tubes
tube
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
DE8787201392T
Other languages
English (en)
Inventor
Arne Lex Duwaer
Bernardus Jacob Brugman
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 DE3765879D1 publication Critical patent/DE3765879D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J7/26—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space by flow of fluid through passages associated with tube or lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/006—Arrangements for eliminating unwanted temperature effects

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
DE8787201392T 1986-08-06 1987-07-21 Bildroehre und farbfernsehprojektionsvorrichtung mit einer solchen bildroehre. Expired - Lifetime DE3765879D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602007A NL8602007A (nl) 1986-08-06 1986-08-06 Beeldbuis en kleurentelevisie-projectie inrichting voorzien van zulk een beeldbuis.

Publications (1)

Publication Number Publication Date
DE3765879D1 true DE3765879D1 (de) 1990-12-06

Family

ID=19848372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787201392T Expired - Lifetime DE3765879D1 (de) 1986-08-06 1987-07-21 Bildroehre und farbfernsehprojektionsvorrichtung mit einer solchen bildroehre.

Country Status (9)

Country Link
US (1) US4775817A (de)
EP (1) EP0256579B1 (de)
JP (1) JP2556866B2 (de)
KR (1) KR950014057B1 (de)
CN (1) CN1015765B (de)
AT (1) ATE58029T1 (de)
CA (1) CA1274269A (de)
DE (1) DE3765879D1 (de)
NL (1) NL8602007A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117162A (en) * 1990-12-20 1992-05-26 North American Philips Corporation Optical grade transfer coolant for projection television receivers
US5281887A (en) * 1992-06-15 1994-01-25 Engle Craig D Two independent spatial variable degree of freedom wavefront modulator
JP3316974B2 (ja) * 1993-11-02 2002-08-19 松下電器産業株式会社 投写形受像機
US7045936B2 (en) * 2002-10-01 2006-05-16 Hitachi Electronic Devices (Usa), Inc. Projection coupler with contrast ribs
CA3052947C (en) * 2016-02-07 2020-04-28 Display Logic USA Inc. Display device with optically clear fluid disposed between display panel and display cover
WO2020191589A1 (zh) * 2019-03-25 2020-10-01 深圳市澳柯瑞科技有限公司 一种显示方法、装置及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072048A (en) * 1963-12-07 1967-06-14 Dowty Technical Dev Ltd Refrigeration systems
CA1225453A (en) * 1982-12-22 1987-08-11 Harry Howden Means for cooling the faceplate of a cathode ray tube in a television projection system
US4511927A (en) * 1983-01-10 1985-04-16 National Viewtech Corp. Liquid coupling system for video projectors
NL8300114A (nl) * 1983-01-13 1984-08-01 Philips Nv Beeldbuis.
EP0162972B1 (de) * 1984-06-01 1988-10-05 Philips Patentverwaltung GmbH Projektionsfernsehbildröhre

Also Published As

Publication number Publication date
NL8602007A (nl) 1988-03-01
EP0256579A1 (de) 1988-02-24
EP0256579B1 (de) 1990-10-31
KR950014057B1 (en) 1995-11-20
CN1015765B (zh) 1992-03-04
CN87105454A (zh) 1988-02-17
ATE58029T1 (de) 1990-11-15
US4775817A (en) 1988-10-04
CA1274269A (en) 1990-09-18
KR880003367A (ko) 1988-05-16
JP2556866B2 (ja) 1996-11-27
JPS6342591A (ja) 1988-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
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