FR2133021A5 - - Google Patents
Info
- Publication number
- FR2133021A5 FR2133021A5 FR7112086A FR7112086A FR2133021A5 FR 2133021 A5 FR2133021 A5 FR 2133021A5 FR 7112086 A FR7112086 A FR 7112086A FR 7112086 A FR7112086 A FR 7112086A FR 2133021 A5 FR2133021 A5 FR 2133021A5
- Authority
- FR
- France
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7112086A FR2133021A5 (en) | 1971-04-06 | 1971-04-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7112086A FR2133021A5 (en) | 1971-04-06 | 1971-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2133021A5 true FR2133021A5 (en) | 1972-11-24 |
Family
ID=9074811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7112086A Expired FR2133021A5 (en) | 1971-04-06 | 1971-04-06 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2133021A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0481733A1 (en) * | 1990-10-15 | 1992-04-22 | Kokusai Electric Co., Ltd. | Surface acoustic wave resonator |
-
1971
- 1971-04-06 FR FR7112086A patent/FR2133021A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0481733A1 (en) * | 1990-10-15 | 1992-04-22 | Kokusai Electric Co., Ltd. | Surface acoustic wave resonator |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |