CA2010330A1 - Appareil de television a projection - Google Patents
Appareil de television a projectionInfo
- Publication number
- CA2010330A1 CA2010330A1 CA2010330A CA2010330A CA2010330A1 CA 2010330 A1 CA2010330 A1 CA 2010330A1 CA 2010330 A CA2010330 A CA 2010330A CA 2010330 A CA2010330 A CA 2010330A CA 2010330 A1 CA2010330 A1 CA 2010330A1
- Authority
- CA
- Canada
- Prior art keywords
- television apparatus
- ray tube
- cathode ray
- selecting means
- color
- 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
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]
-
- 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
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4063189 | 1989-02-20 | ||
JP1-40631 | 1989-02-20 | ||
JP1-333624 | 1989-12-21 | ||
JP1333624A JPH0834596B2 (ja) | 1989-02-20 | 1989-12-21 | 投写型テレビジョン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2010330A1 true CA2010330A1 (fr) | 1990-08-20 |
CA2010330C CA2010330C (fr) | 1994-05-24 |
Family
ID=26380115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002010330A Expired - Fee Related CA2010330C (fr) | 1989-02-20 | 1990-02-19 | Appareil de television a projection |
Country Status (3)
Country | Link |
---|---|
US (1) | US5031033A (fr) |
JP (1) | JPH0834596B2 (fr) |
CA (1) | CA2010330C (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU669247B2 (en) * | 1993-03-04 | 1996-05-30 | Ldt Gmbh & Co. Laser-Display-Technologie Kg | Television projection system |
JPH0729519A (ja) * | 1993-07-15 | 1995-01-31 | Sony Corp | プロジェクタ用crt |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4245242A (en) * | 1979-05-10 | 1981-01-13 | Rockwell International Corporation | Contrast enhancement of multicolor displays |
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 |
GB8623822D0 (en) * | 1986-10-03 | 1986-11-05 | Philips Nv | Colour cathode ray tube |
GB8629552D0 (en) * | 1986-12-10 | 1987-01-21 | Philips Nv | Television system & display tubes |
JPS643946A (en) * | 1987-06-26 | 1989-01-09 | Toshiba Corp | Cathode-ray tube device for green luminescence projection |
US4937661A (en) * | 1988-07-11 | 1990-06-26 | North American Philips Corporation | Projection television display tube and device having band pass interference filter |
-
1989
- 1989-12-21 JP JP1333624A patent/JPH0834596B2/ja not_active Expired - Fee Related
-
1990
- 1990-02-16 US US07/480,966 patent/US5031033A/en not_active Expired - Lifetime
- 1990-02-19 CA CA002010330A patent/CA2010330C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH02290392A (ja) | 1990-11-30 |
US5031033A (en) | 1991-07-09 |
JPH0834596B2 (ja) | 1996-03-29 |
CA2010330C (fr) | 1994-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |