NL180960C - Reflexcamera met automatische belichtingsinstelinrichting. - Google Patents
Reflexcamera met automatische belichtingsinstelinrichting.Info
- Publication number
- NL180960C NL180960C NLAANVRAGE7404331,A NL7404331A NL180960C NL 180960 C NL180960 C NL 180960C NL 7404331 A NL7404331 A NL 7404331A NL 180960 C NL180960 C NL 180960C
- Authority
- NL
- Netherlands
- Prior art keywords
- automatic exposure
- reflex camera
- exposure adjustment
- adjustment
- reflex
- Prior art date
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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48036287A JPS49123326A (xx) | 1973-03-30 | 1973-03-30 | |
JP48048672A JPS50836A (xx) | 1973-04-28 | 1973-04-28 | |
JP48053296A JPS503626A (xx) | 1973-05-14 | 1973-05-14 | |
JP5499973A JPS507526A (xx) | 1973-05-17 | 1973-05-17 | |
JP5499873A JPS507525A (xx) | 1973-05-17 | 1973-05-17 | |
JP5499773A JPS507524A (xx) | 1973-05-17 | 1973-05-17 | |
JP5733273A JPS509422A (xx) | 1973-05-22 | 1973-05-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7404331A NL7404331A (xx) | 1974-10-02 |
NL180960B NL180960B (nl) | 1986-12-16 |
NL180960C true NL180960C (nl) | 1987-05-18 |
Family
ID=27564424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7404331,A NL180960C (nl) | 1973-03-30 | 1974-03-29 | Reflexcamera met automatische belichtingsinstelinrichting. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2415615C2 (xx) |
FR (1) | FR2223720B1 (xx) |
NL (1) | NL180960C (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS618414B2 (xx) * | 1973-07-17 | 1986-03-14 | Minolta Camera Kk |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4923779B1 (xx) * | 1970-07-03 | 1974-06-18 | ||
JPS571813B1 (xx) * | 1971-05-31 | 1982-01-13 | ||
JPS5112107Y2 (xx) * | 1971-09-02 | 1976-04-01 |
-
1974
- 1974-03-29 FR FR7411484A patent/FR2223720B1/fr not_active Expired
- 1974-03-29 NL NLAANVRAGE7404331,A patent/NL180960C/xx not_active IP Right Cessation
- 1974-03-30 DE DE2415615A patent/DE2415615C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2415615A1 (de) | 1974-10-17 |
FR2223720B1 (xx) | 1977-10-21 |
NL180960B (nl) | 1986-12-16 |
NL7404331A (xx) | 1974-10-02 |
DE2415615C2 (de) | 1983-12-01 |
FR2223720A1 (xx) | 1974-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BT | A document has been added to the application laid open to public inspection | ||
BT | A document has been added to the application laid open to public inspection | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maximum lifetime of a patent |