FR863453A - Tube à rayon cathodique - Google Patents
Tube à rayon cathodiqueInfo
- Publication number
- FR863453A FR863453A FR863453DA FR863453A FR 863453 A FR863453 A FR 863453A FR 863453D A FR863453D A FR 863453DA FR 863453 A FR863453 A FR 863453A
- Authority
- FR
- France
- Prior art keywords
- ray tube
- cathode ray
- cathode
- tube
- ray
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/17—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F1/172—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
-
- 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
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US256833A US2290581A (en) | 1939-02-17 | 1939-02-17 | Light valve |
US447614A US2366319A (en) | 1939-02-17 | 1942-06-19 | Electron discharge device and method of manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
FR863453A true FR863453A (fr) | 1941-04-02 |
Family
ID=26945611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR863453D Expired FR863453A (fr) | 1939-02-17 | 1940-02-16 | Tube à rayon cathodique |
Country Status (2)
Country | Link |
---|---|
US (2) | US2290581A (fr) |
FR (1) | FR863453A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730009A (en) * | 1951-03-28 | 1956-01-10 | Marocaine D Achats Et De Const | Photo-electric exposure meters |
DE19641306A1 (de) * | 1996-10-08 | 1998-04-09 | Johann Schmidt | Einweg-Toilettenbrillen-Auflage |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464420A (en) * | 1943-12-31 | 1949-03-15 | Rca Corp | Storage type cathode-ray tube |
US2515263A (en) * | 1944-02-24 | 1950-07-18 | Raibourn Paul | Communication system |
US2472988A (en) * | 1944-10-28 | 1949-06-14 | Scophony Corp Of America | Apparatus for reproducing electric signals, particularly television reproducers |
US2481621A (en) * | 1945-05-02 | 1949-09-13 | Skiatron Corp | Light modulation by cathode-ray orientation of liquid-suspended particles |
US2584441A (en) * | 1946-05-03 | 1952-02-05 | Rca Corp | Viewing screen |
US2495697A (en) * | 1946-06-08 | 1950-01-31 | Chilowsky Constantin | Method and apparatus for intensifying electronic images |
US2804803A (en) * | 1947-04-25 | 1957-09-03 | Pye Ltd | Variable color filter for color television |
US2543093A (en) * | 1948-12-28 | 1951-02-27 | Tung Sol Lamp Works Inc | Electric lamp |
BE500695A (fr) * | 1950-01-19 | |||
NL90305C (fr) * | 1950-07-20 | |||
US2890363A (en) * | 1954-08-16 | 1959-06-09 | Aronstein Robert | Method and apparatus for image reproduction |
US3040625A (en) * | 1958-09-12 | 1962-06-26 | Westinghouse Electric Corp | Beam scanning apparatus |
US3257903A (en) * | 1960-11-21 | 1966-06-28 | Alvin M Marks | Electrically responsive light controlling devices employing suspended dipole particles and shear forces |
US3218390A (en) * | 1961-12-27 | 1965-11-16 | Bramley Jenny | Optical system for the utilization of coherent light |
US3424863A (en) * | 1964-09-29 | 1969-01-28 | Gen Electric | Light valve |
US3322482A (en) * | 1965-04-12 | 1967-05-30 | James V Harmon | Panel for controlling light transmission by the selective orientation of free particles |
US3816786A (en) * | 1968-02-23 | 1974-06-11 | Ncr | Display device comprising a profusion of naked droplets of cholesteric liquid crystal in a substantially continuous polymeric matrix |
US3788729A (en) * | 1972-04-28 | 1974-01-29 | Research Frontiers Inc | Thermal convection flow light valve |
US4072411A (en) * | 1976-05-03 | 1978-02-07 | Eastman Kodak Company | Display device having image sense reversal capability |
US4212519A (en) * | 1978-03-01 | 1980-07-15 | Eastman Kodak Company | Light control device and fabrication methods therefor |
US5409734A (en) * | 1992-01-10 | 1995-04-25 | Hankuk Glass Industries, Inc. | Making liquid suspension type light valve film |
KR102151969B1 (ko) | 2019-12-11 | 2020-09-04 | 주식회사 지투비 | 투과도 가변창의 제조방법 및 그에 의해 제조된 투과도 가변창 |
-
1939
- 1939-02-17 US US256833A patent/US2290581A/en not_active Expired - Lifetime
-
1940
- 1940-02-16 FR FR863453D patent/FR863453A/fr not_active Expired
-
1942
- 1942-06-19 US US447614A patent/US2366319A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730009A (en) * | 1951-03-28 | 1956-01-10 | Marocaine D Achats Et De Const | Photo-electric exposure meters |
DE19641306A1 (de) * | 1996-10-08 | 1998-04-09 | Johann Schmidt | Einweg-Toilettenbrillen-Auflage |
Also Published As
Publication number | Publication date |
---|---|
US2366319A (en) | 1945-01-02 |
US2290581A (en) | 1942-07-21 |
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