CA2016379A1 - Systeme a triple projecteurs possedant au moins un projecteur sans filtre a interference - Google Patents

Systeme a triple projecteurs possedant au moins un projecteur sans filtre a interference

Info

Publication number
CA2016379A1
CA2016379A1 CA2016379A CA2016379A CA2016379A1 CA 2016379 A1 CA2016379 A1 CA 2016379A1 CA 2016379 A CA2016379 A CA 2016379A CA 2016379 A CA2016379 A CA 2016379A CA 2016379 A1 CA2016379 A1 CA 2016379A1
Authority
CA
Canada
Prior art keywords
tube
display window
material layer
interference filter
projection system
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.)
Granted
Application number
CA2016379A
Other languages
English (en)
Other versions
CA2016379C (fr
Inventor
Kazuo Tsukagoshi
Hiroshi Kawamura
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.)
Mitsubishi Electric Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2016379A1 publication Critical patent/CA2016379A1/fr
Application granted granted Critical
Publication of CA2016379C publication Critical patent/CA2016379C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA002016379A 1989-06-08 1990-05-09 Systeme a triple projecteurs possedant au moins un projecteur sans filtre a interference Expired - Fee Related CA2016379C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-146205 1989-06-08
JP1146205A JPH0744688B2 (ja) 1989-06-08 1989-06-08 投写型テレビジヨン装置

Publications (2)

Publication Number Publication Date
CA2016379A1 true CA2016379A1 (fr) 1990-12-08
CA2016379C CA2016379C (fr) 1993-07-20

Family

ID=15402499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002016379A Expired - Fee Related CA2016379C (fr) 1989-06-08 1990-05-09 Systeme a triple projecteurs possedant au moins un projecteur sans filtre a interference

Country Status (3)

Country Link
US (1) US5099318A (fr)
JP (1) JPH0744688B2 (fr)
CA (1) CA2016379C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69224540T2 (de) * 1991-03-19 1998-06-25 Hitachi Ltd Verfahren zur Projektion eines durch Anwendung von Flüssigkristallanzeigen erhaltenen Bildes und Anzeigevorrichtung zur Durchführung des Verfahrens
JPH04306630A (ja) * 1991-04-04 1992-10-29 Matsushita Electric Ind Co Ltd 投写型テレビジョン装置
US20050094037A1 (en) * 2003-10-31 2005-05-05 Toshiyuki Kawashima Color uniformity shading element for cathode ray tube-based image display device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60100347A (ja) * 1983-11-04 1985-06-04 Mitsubishi Electric Corp 投写型陰極線管
NL8402304A (nl) * 1984-07-20 1986-02-17 Philips Nv Beeldbuis.
GB2176048B (en) * 1985-05-29 1989-07-05 Philips Nv Projection television display tube and projection television device comprising at least one such tube
GB8608925D0 (en) * 1986-04-11 1986-05-14 Philips Nv Projection television system
GB8629552D0 (en) * 1986-12-10 1987-01-21 Philips Nv Television system & display tubes
CA1274613A (fr) * 1986-12-24 1990-09-25 Leendert Vriens Dispositifs connexes de projection et d'affichage
US4937661A (en) * 1988-07-11 1990-06-26 North American Philips Corporation Projection television display tube and device having band pass interference filter
US4914511A (en) * 1988-12-23 1990-04-03 North American Philips Corporation Projection color TV using CRTs having interference filters with different number of layers
US4914510A (en) * 1988-12-23 1990-04-03 North American Philips Corporation Method for improving the white field uniformity of a projection color TV using CRTs having interference filters, projection color TV and CRTs resulting from the method

Also Published As

Publication number Publication date
JPH0744688B2 (ja) 1995-05-15
CA2016379C (fr) 1993-07-20
US5099318A (en) 1992-03-24
JPH0310588A (ja) 1991-01-18

Similar Documents

Publication Publication Date Title
US5121030A (en) Absorption filters for chlor display devices
US4872750A (en) Image projection apparatus
EP0030159B1 (fr) Appareil de présentation d'images colorées
ES8707629A1 (es) Un tubo de presentacion para television por proyeccion
ES8705702A1 (es) Un dispositivo de television por proyeccion
US2567714A (en) Cathode-ray tube
DE2654512A1 (de) Katadioptrisch gekoppeltes farbfernsehprojektionssystem
AU8143687A (en) Image projection system
CA2016379A1 (fr) Systeme a triple projecteurs possedant au moins un projecteur sans filtre a interference
US4106866A (en) Image projection system
CA2027521A1 (fr) Tube ecran de projection possedant un filtre a interference
GB987677A (en) Improvements in and relating to television receivers
EP0151331B1 (fr) Appareil de projection d'image
CN1330275A (zh) 高对比度投影电视机防护屏
US6335591B1 (en) Luminescence display panel using discharge gas
KR970008282A (ko) 칼라수상관
CA2027242A1 (fr) Appareil pour television a projection pour reduire la sur- brillance en rouge du contour de l'ecran
JPH0573025B2 (fr)
RU1545833C (ru) Входное окно двухсигнального видикона
JPS56106356A (en) Color snooper
KR900010896A (ko) 투영 텔레비젼 표시 장치
SHIRAMATSU et al. Large Screen Mosaic Displays Using CRT Technology
JPS62157663A (ja) 発光素子
JPH05325839A (ja) 電気表示器の無反射スクリーン
JPS5311568A (en) Color picture tube

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed