JPH0156494B2 - - Google Patents

Info

Publication number
JPH0156494B2
JPH0156494B2 JP60172652A JP17265285A JPH0156494B2 JP H0156494 B2 JPH0156494 B2 JP H0156494B2 JP 60172652 A JP60172652 A JP 60172652A JP 17265285 A JP17265285 A JP 17265285A JP H0156494 B2 JPH0156494 B2 JP H0156494B2
Authority
JP
Japan
Prior art keywords
lens
projection tube
frame
projection
cooling
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
JP60172652A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235428A (ja
Inventor
Shinichi Hasegawa
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP60172652A priority Critical patent/JPS6235428A/ja
Priority to US06/893,205 priority patent/US4725755A/en
Publication of JPS6235428A publication Critical patent/JPS6235428A/ja
Publication of JPH0156494B2 publication Critical patent/JPH0156494B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP60172652A 1985-08-06 1985-08-06 プロジエクシヨンテレビ用冷却装置 Granted JPS6235428A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60172652A JPS6235428A (ja) 1985-08-06 1985-08-06 プロジエクシヨンテレビ用冷却装置
US06/893,205 US4725755A (en) 1985-08-06 1986-08-05 Projection television receiver with liquid-cooled lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60172652A JPS6235428A (ja) 1985-08-06 1985-08-06 プロジエクシヨンテレビ用冷却装置

Publications (2)

Publication Number Publication Date
JPS6235428A JPS6235428A (ja) 1987-02-16
JPH0156494B2 true JPH0156494B2 (en]) 1989-11-30

Family

ID=15945861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60172652A Granted JPS6235428A (ja) 1985-08-06 1985-08-06 プロジエクシヨンテレビ用冷却装置

Country Status (2)

Country Link
US (1) US4725755A (en])
JP (1) JPS6235428A (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425802Y2 (en]) * 1987-09-17 1992-06-22
JPH052951Y2 (en]) * 1987-12-28 1993-01-25
JPH0617384Y2 (ja) * 1988-04-06 1994-05-02 パイオニア株式会社 プロジェクションテレビのレンズの芯合せ装置
US4982289A (en) * 1989-05-15 1991-01-01 Matsushita Electric Industrial Co., Ltd. Liquid cooled cathode ray tube apparatus for video projection system
JPH0391716A (ja) * 1989-09-05 1991-04-17 Nec Home Electron Ltd 冷却装置及びこの冷却装置を用いた液晶プロジェクター
US5117162A (en) * 1990-12-20 1992-05-26 North American Philips Corporation Optical grade transfer coolant for projection television receivers
US5731822A (en) * 1991-04-02 1998-03-24 U.S. Philips Corporation Picture display device, projection device provided with three such picture display devices, and picture tube suitable for use in such a picture display device
JPH0630364A (ja) * 1992-07-06 1994-02-04 Pioneer Electron Corp プロジェクションテレビ用レンズ
BE1006922A3 (nl) * 1993-03-17 1995-01-24 Philips Electronics Nv Beeldweergave-inrichting en kathodestraalbuis.
US5387948A (en) * 1993-05-03 1995-02-07 North American Philips Corporation Method and apparatus for reducing scattered light in projection television tubes
US7045936B2 (en) * 2002-10-01 2006-05-16 Hitachi Electronic Devices (Usa), Inc. Projection coupler with contrast ribs
US20050134164A1 (en) * 2003-12-18 2005-06-23 3M Innovative Properties Company Optical coupler for projection display
US7560148B2 (en) * 2005-04-08 2009-07-14 B-K Lighting, Inc. Lens assembly apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151554A (en) * 1977-12-07 1979-04-24 Tucker Arthur R Liquid coupled color-television image projector
JPS597731Y2 (ja) * 1979-06-07 1984-03-09 ソニー株式会社 陰極線管装置
JPS5910527A (ja) * 1982-07-09 1984-01-20 Res Assoc Petroleum Alternat Dev<Rapad> 炭化水素類の製造法
US4511927A (en) * 1983-01-10 1985-04-16 National Viewtech Corp. Liquid coupling system for video projectors
US4572984A (en) * 1984-04-13 1986-02-25 North American Philips Corporation Blue luminescent cathode ray tube device with improved color filtering system

Also Published As

Publication number Publication date
JPS6235428A (ja) 1987-02-16
US4725755A (en) 1988-02-16

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