FR1420308A - Improvements to light-modulating devices - Google Patents
Improvements to light-modulating devicesInfo
- Publication number
- FR1420308A FR1420308A FR1687A FR1687A FR1420308A FR 1420308 A FR1420308 A FR 1420308A FR 1687 A FR1687 A FR 1687A FR 1687 A FR1687 A FR 1687A FR 1420308 A FR1420308 A FR 1420308A
- Authority
- FR
- France
- Prior art keywords
- light
- modulating devices
- modulating
- devices
- 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
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/12—Screens on or from which an image or pattern is formed, picked up, converted or stored acting as light valves by shutter operation, e.g. for eidophor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/24—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with screen acting as light valve by shutter operation, e.g. eidophor
-
- 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
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US337260A US3251940A (en) | 1964-01-13 | 1964-01-13 | Light valve apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1420308A true FR1420308A (en) | 1965-12-03 |
Family
ID=23319795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1687A Expired FR1420308A (en) | 1964-01-13 | 1965-01-13 | Improvements to light-modulating devices |
Country Status (2)
Country | Link |
---|---|
US (1) | US3251940A (en) |
FR (1) | FR1420308A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4283120A (en) * | 1978-12-11 | 1981-08-11 | General Electric Company | Light valve projection system with off axis raster orientation |
US4533216A (en) * | 1983-06-13 | 1985-08-06 | General Electric Company | Light valve projection system with improved writing control and reduced fluid degradation |
US4779024A (en) * | 1986-08-26 | 1988-10-18 | General Electric Company | Deflection system for light valve projectors of the schlieren dark field type |
-
1964
- 1964-01-13 US US337260A patent/US3251940A/en not_active Expired - Lifetime
-
1965
- 1965-01-13 FR FR1687A patent/FR1420308A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3251940A (en) | 1966-05-17 |
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