BE484944A - - Google Patents
Info
- Publication number
- BE484944A BE484944A BE484944DA BE484944A BE 484944 A BE484944 A BE 484944A BE 484944D A BE484944D A BE 484944DA BE 484944 A BE484944 A BE 484944A
- Authority
- BE
- Belgium
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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/02—Viewfinders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17651/47A GB632726A (en) | 1947-07-04 | 1947-07-04 | View finder for television cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE484944A true BE484944A (en:Method) | 1948-10-15 |
Family
ID=10098887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE484944D BE484944A (en:Method) | 1947-07-04 | 1948-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2526144A (en:Method) |
| BE (1) | BE484944A (en:Method) |
| FR (1) | FR971720A (en:Method) |
| GB (1) | GB632726A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725423A (en) * | 1951-02-28 | 1955-11-29 | Rca Corp | Apparatus for positioning television images in multiple camera systems |
| US3921189A (en) * | 1974-10-11 | 1975-11-18 | Albert F Gallistel | Zoom lens view finder systems |
| JPS56161620U (en:Method) * | 1980-04-30 | 1981-12-01 | ||
| JPH0618323Y2 (ja) * | 1988-10-04 | 1994-05-11 | 旭光学工業株式会社 | レンズシャッタタイプズームレンズカメラ |
| JPH0721605B2 (ja) * | 1988-10-04 | 1995-03-08 | 旭光学工業株式会社 | 電子スチルカメラ |
| CN2847326Y (zh) * | 2005-10-13 | 2006-12-13 | 八航实业股份有限公司 | 具有照相功能的摄影机的光学取景器 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE429676A (en:Method) * | 1937-08-14 | |||
| US2403628A (en) * | 1944-04-25 | 1946-07-09 | Rca Corp | Television pickup control system |
| FR914843A (en:Method) * | 1944-06-20 | 1900-01-01 |
-
1947
- 1947-07-04 GB GB17651/47A patent/GB632726A/en not_active Expired
-
1948
- 1948-09-14 US US49224A patent/US2526144A/en not_active Expired - Lifetime
- 1948-09-17 FR FR971720D patent/FR971720A/fr not_active Expired
- 1948-09-20 BE BE484944D patent/BE484944A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR971720A (fr) | 1951-01-22 |
| US2526144A (en) | 1950-10-17 |
| GB632726A (en) | 1949-12-05 |