BE762859A - Systeme de demodulation optique - Google Patents
Systeme de demodulation optiqueInfo
- Publication number
- BE762859A BE762859A BE762859A BE762859A BE762859A BE 762859 A BE762859 A BE 762859A BE 762859 A BE762859 A BE 762859A BE 762859 A BE762859 A BE 762859A BE 762859 A BE762859 A BE 762859A
- Authority
- BE
- Belgium
- Prior art keywords
- demodulation system
- optical demodulation
- optical
- demodulation
- Prior art date
Links
Classifications
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
- G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G16/00—Electrographic processes using deformation of thermoplastic layers; Apparatus therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1125170A | 1970-02-13 | 1970-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE762859A true BE762859A (fr) | 1971-08-12 |
Family
ID=21749530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE762859A BE762859A (fr) | 1970-02-13 | 1971-02-12 | Systeme de demodulation optique |
Country Status (8)
Country | Link |
---|---|
US (1) | US3687535A (fr) |
JP (1) | JPS5289337A (fr) |
BE (1) | BE762859A (fr) |
CA (1) | CA961682A (fr) |
DE (1) | DE2106274A1 (fr) |
FR (1) | FR2078808A5 (fr) |
GB (1) | GB1343483A (fr) |
NL (1) | NL7101732A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449314A1 (fr) * | 1979-02-13 | 1980-09-12 | Thomson Csf | Dispositif d'affichage electro-optique |
FR2570518B1 (fr) * | 1984-09-19 | 1987-03-20 | Elf Aquitaine | Procede et dispositif d'enregistrement d'une image sur un film thermoplastique |
US5130213A (en) * | 1989-08-07 | 1992-07-14 | At&T Bell Laboratories | Device manufacture involving lithographic processing |
US5258246A (en) * | 1989-08-07 | 1993-11-02 | At&T Bell Laboratories | Device manufacture involving lithographic processing |
US5253236A (en) * | 1991-10-03 | 1993-10-12 | International Business Machines Corporation | Optical beam focusing and tracking system for an optical disk information storage device |
US6678085B2 (en) * | 2002-06-12 | 2004-01-13 | Eastman Kodak Company | High-contrast display system with scanned conformal grating device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3378633A (en) * | 1965-06-24 | 1968-04-16 | Stanford Research Inst | Monochrome photography system for color television |
US3493287A (en) * | 1966-04-26 | 1970-02-03 | Ibm | Optical detour phase system |
US3470310A (en) * | 1966-05-23 | 1969-09-30 | Rca Corp | Color image display system utilizing a light valve |
US3533340A (en) * | 1967-06-19 | 1970-10-13 | Stanford Research Inst | Photographic coding-decoding system |
US3536376A (en) * | 1968-03-06 | 1970-10-27 | Raytheon Co | Optical modulation apparatus having a phase retarding spatial filter |
-
1970
- 1970-02-13 US US11251A patent/US3687535A/en not_active Expired - Lifetime
- 1970-09-24 CA CA093,966A patent/CA961682A/en not_active Expired
-
1971
- 1971-02-10 DE DE19712106274 patent/DE2106274A1/de active Pending
- 1971-02-10 NL NL7101732A patent/NL7101732A/xx unknown
- 1971-02-12 BE BE762859A patent/BE762859A/fr unknown
- 1971-02-12 FR FR7105649A patent/FR2078808A5/fr not_active Expired
- 1971-04-19 GB GB2173871A patent/GB1343483A/en not_active Expired
-
1974
- 1974-05-23 JP JP5832474A patent/JPS5289337A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA961682A (en) | 1975-01-28 |
FR2078808A5 (fr) | 1971-11-05 |
NL7101732A (fr) | 1971-08-17 |
JPS5289337A (en) | 1977-07-26 |
DE2106274A1 (de) | 1971-08-26 |
US3687535A (en) | 1972-08-29 |
GB1343483A (en) | 1974-01-10 |
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