DE3776932D1 - Vorrichtung zur projektion eines fernsehbildes auf einem schirm. - Google Patents

Vorrichtung zur projektion eines fernsehbildes auf einem schirm.

Info

Publication number: DE3776932D1
Authority: DE; Germany
Prior art keywords: television; projecting; screen
Prior art date: 1986-03-25
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

DE8787200369T

Other languages

English (en)

Inventor

Leendert Vriens

Gerrit B Gerritsen

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.)

1986-03-25

Filing date

1987-03-02

Publication date

1992-04-09

1987-03-02 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1992-04-09 Application granted granted Critical

1992-04-09 Publication of DE3776932D1 publication Critical patent/DE3776932D1/de

2007-03-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- 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
- 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

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Transforming Electric Information Into Light Information (AREA)
Projection Apparatus (AREA)
Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Video Image Reproduction Devices For Color Tv Systems (AREA)

DE8787200369T 1986-03-25 1987-03-02 Vorrichtung zur projektion eines fernsehbildes auf einem schirm. Expired - Lifetime DE3776932D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8600752A NL8600752A (nl)	1986-03-25	1986-03-25	Inrichting voor het projecteren van een televisiebeeld op een scherm.

Publications (1)

Publication Number	Publication Date
DE3776932D1 true DE3776932D1 (de)	1992-04-09

Family

ID=19847764

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8787200369T Expired - Lifetime DE3776932D1 (de)	1986-03-25	1987-03-02	Vorrichtung zur projektion eines fernsehbildes auf einem schirm.

Country Status (8)

Country	Link
US (1)	US5179312A (de)
EP (1)	EP0239150B1 (de)
JP (1)	JP2554072B2 (de)
KR (1)	KR950002651B1 (de)
CN (1)	CN1009609B (de)
CA (1)	CA1268516A (de)
DE (1)	DE3776932D1 (de)
NL (1)	NL8600752A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
KR100252314B1 (ko) *	1997-05-09	2000-04-15	윤종용	프로젝션 텔레비젼
JPH11119202A (ja) *	1997-10-13	1999-04-30	Hitachi Ltd	液晶表示装置
CN1312917C (zh) *	2002-09-09	2007-04-25	四川长虹电器股份有限公司	投影电视冷媒自动灌装机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56158055U (de) *	1980-04-24	1981-11-25
DE3370405D1 (en) *	1982-12-22	1987-04-23	Philips Electronic Associated	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.
JPS59152558U (ja) *	1983-03-31	1984-10-12	株式会社東芝	投射管装置
EP0162971B1 (de) *	1984-06-01	1988-11-09	Koninklijke Philips Electronics N.V.	Projektionsbildröhre und Bildwiedergabeanordnung mit einer derartigen Bildröhre

1986
- 1986-03-25 NL NL8600752A patent/NL8600752A/nl not_active Application Discontinuation
- 1986-05-05 US US06/859,299 patent/US5179312A/en not_active Expired - Fee Related
1987
- 1987-03-02 DE DE8787200369T patent/DE3776932D1/de not_active Expired - Lifetime
- 1987-03-02 EP EP87200369A patent/EP0239150B1/de not_active Expired - Lifetime
- 1987-03-18 CA CA000532335A patent/CA1268516A/en not_active Expired - Lifetime
- 1987-03-21 CN CN87102258A patent/CN1009609B/zh not_active Expired
- 1987-03-23 KR KR1019870002630A patent/KR950002651B1/ko not_active IP Right Cessation
- 1987-03-24 JP JP62068124A patent/JP2554072B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2554072B2 (ja)	1996-11-13
US5179312A (en)	1993-01-12
NL8600752A (nl)	1987-10-16
EP0239150B1 (de)	1992-03-04
CN1009609B (zh)	1990-09-12
CA1268516A (en)	1990-05-01
EP0239150A1 (de)	1987-09-30
KR950002651B1 (ko)	1995-03-24
KR870009592A (ko)	1987-10-27
CN87102258A (zh)	1987-10-07
JPS62232281A (ja)	1987-10-12

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Legal Events

Date	Code	Title	Description
1993-04-01	8364	No opposition during term of opposition
1995-06-22	8327	Change in the person/name/address of the patent owner	Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL
1998-03-12	8339	Ceased/non-payment of the annual fee