FR2322500A1 - Dispositif de projection d'une image de television - Google Patents
Dispositif de projection d'une image de televisionInfo
- Publication number
- FR2322500A1 FR2322500A1 FR7626067A FR7626067A FR2322500A1 FR 2322500 A1 FR2322500 A1 FR 2322500A1 FR 7626067 A FR7626067 A FR 7626067A FR 7626067 A FR7626067 A FR 7626067A FR 2322500 A1 FR2322500 A1 FR 2322500A1
- Authority
- FR
- France
- Prior art keywords
- projecting
- television image
- television
- image
- 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]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3542875 | 1975-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2322500A1 true FR2322500A1 (fr) | 1977-03-25 |
FR2322500B3 FR2322500B3 (fr) | 1979-05-25 |
Family
ID=10377605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7626067A Granted FR2322500A1 (fr) | 1975-08-27 | 1976-08-27 | Dispositif de projection d'une image de television |
Country Status (8)
Country | Link |
---|---|
US (1) | US4034398A (fr) |
JP (1) | JPS5237720A (fr) |
AU (1) | AU1718476A (fr) |
BE (1) | BE845459A (fr) |
DE (1) | DE2638391A1 (fr) |
FR (1) | FR2322500A1 (fr) |
NL (1) | NL7609476A (fr) |
SE (1) | SE7609394L (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733558Y2 (fr) * | 1975-11-19 | 1982-07-23 | ||
AU522177B2 (en) * | 1978-02-06 | 1982-05-20 | Esplin Kloss Henry | Projection tv tube |
US4365183A (en) * | 1978-02-06 | 1982-12-21 | Kloss Henry E | Projection televison tube and process for forming same |
US4409515A (en) * | 1978-02-06 | 1983-10-11 | Kloss Henry E | Projection television tube and process for forming same |
JPS54167618U (fr) * | 1978-05-16 | 1979-11-26 | ||
JPS5514622A (en) * | 1978-07-14 | 1980-02-01 | Matsushita Electronics Corp | Projection type picture tube |
JPS5525081U (fr) * | 1978-08-07 | 1980-02-18 | ||
JPS55154037A (en) * | 1979-05-18 | 1980-12-01 | Sanyo Electric Co Ltd | Cathode-ray tube for projection |
JPS58162185A (ja) * | 1982-03-19 | 1983-09-26 | Sony Corp | 単陰極線管型カラ−画像投写装置 |
JPS60264172A (ja) * | 1984-06-12 | 1985-12-27 | Mitsubishi Electric Corp | 投写装置 |
JPH0321242Y2 (fr) * | 1985-07-26 | 1991-05-09 | ||
US5557469A (en) * | 1994-10-28 | 1996-09-17 | Ultratech Stepper, Inc. | Beamsplitter in single fold optical system and optical variable magnification method and system |
US5619095A (en) * | 1995-02-21 | 1997-04-08 | Hughes Aircraft Company | Projection cathode ray tube having tapered shaft screw target assembly |
DE19908044A1 (de) * | 1999-02-24 | 2000-08-31 | Thomson Brandt Gmbh | Einstellvorrichtung für ein LCD-Projektionsfernsehgerät |
US11624905B2 (en) * | 2018-10-25 | 2023-04-11 | Disney Enterprises, Inc. | Corrector plates for head mounted display system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE880319C (de) * | 1946-10-24 | 1953-05-07 | Philips Nv | Kathodenstrahlroehre fuer Fernsehzwecke |
US2637829A (en) * | 1952-03-15 | 1953-05-05 | Trad Victor | Projection tube with movable target electrode |
US2730925A (en) * | 1954-04-19 | 1956-01-17 | American Optical Corp | Two component eye lens system |
US2999126A (en) * | 1958-05-29 | 1961-09-05 | Harries Television Res Ltd | Facetted correction lens for minimizing keystoning of off-axis projectors |
US3969648A (en) * | 1974-09-03 | 1976-07-13 | Advent Corporation | Projection television tube system |
-
1975
- 1975-09-15 US US05/613,089 patent/US4034398A/en not_active Expired - Lifetime
-
1976
- 1976-08-24 BE BE170026A patent/BE845459A/xx unknown
- 1976-08-25 SE SE7609394A patent/SE7609394L/xx unknown
- 1976-08-26 AU AU17184/76A patent/AU1718476A/en not_active Expired
- 1976-08-26 DE DE19762638391 patent/DE2638391A1/de active Pending
- 1976-08-26 NL NL7609476A patent/NL7609476A/xx not_active Application Discontinuation
- 1976-08-27 FR FR7626067A patent/FR2322500A1/fr active Granted
- 1976-08-27 JP JP51103068A patent/JPS5237720A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7609476A (nl) | 1977-03-01 |
BE845459A (nl) | 1977-02-24 |
US4034398A (en) | 1977-07-05 |
AU1718476A (en) | 1978-03-02 |
JPS5237720A (en) | 1977-03-23 |
FR2322500B3 (fr) | 1979-05-25 |
SE7609394L (sv) | 1977-02-28 |
DE2638391A1 (de) | 1977-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |