FR2149857A6 - - Google Patents
Info
- Publication number
- FR2149857A6 FR2149857A6 FR7227920A FR7227920A FR2149857A6 FR 2149857 A6 FR2149857 A6 FR 2149857A6 FR 7227920 A FR7227920 A FR 7227920A FR 7227920 A FR7227920 A FR 7227920A FR 2149857 A6 FR2149857 A6 FR 2149857A6
- 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
- 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
-
- 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
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
- G03B7/17—Selection of modes in flash units by exposure control arrangements
-
- 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
- G03B9/70—Exposure-making shutters; Diaphragms with flash-synchronising contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
- Focusing (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16867171A | 1971-08-03 | 1971-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2149857A6 true FR2149857A6 (ja) | 1973-03-30 |
Family
ID=22612453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7227920A Expired FR2149857A6 (ja) | 1971-08-03 | 1972-08-02 |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS4825521A (ja) |
| CA (1) | CA997190A (ja) |
| DE (1) | DE2237838C2 (ja) |
| FR (1) | FR2149857A6 (ja) |
| GB (1) | GB1391292A (ja) |
| IT (1) | IT1046467B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2292256A1 (fr) * | 1974-11-22 | 1976-06-18 | Polaroid Corp | Dispositif de commande d'exposition pour un appareil de prise de vues photographiques |
| FR2303303A1 (fr) * | 1975-03-03 | 1976-10-01 | Polaroid Corp | Commande de reglage fin, uniforme, perfectionnee pour dispositif de commande d'exposition a suiveur de mise au point |
| FR2303302A1 (fr) * | 1975-03-03 | 1976-10-01 | Polaroid Corp | Systeme de commande d'exposition avec suiveur de mise au point |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1450633A (en) * | 1973-07-05 | 1976-09-22 | Polaroid Corp | Exposure control system |
| JPS5617526Y2 (ja) * | 1977-02-14 | 1981-04-23 | ||
| GB2261303B (en) * | 1989-03-31 | 1993-09-15 | Asahi Optical Co Ltd | Zooming adjustment of a zoom lens |
| JP2550785B2 (ja) * | 1991-02-08 | 1996-11-06 | 株式会社ダイフク | レール敷設構造 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5618933A (en) * | 1979-07-23 | 1981-02-23 | Kuraray Co Ltd | Dihydroxy aluminum salt of substituted acetic acid and its preparation |
-
1972
- 1972-07-27 GB GB3518372A patent/GB1391292A/en not_active Expired
- 1972-07-29 IT IT51874/72A patent/IT1046467B/it active
- 1972-08-01 DE DE2237838A patent/DE2237838C2/de not_active Expired
- 1972-08-02 FR FR7227920A patent/FR2149857A6/fr not_active Expired
- 1972-08-02 CA CA148,586A patent/CA997190A/en not_active Expired
- 1972-08-03 JP JP47077358A patent/JPS4825521A/ja active Pending
-
1982
- 1982-10-27 JP JP57187650A patent/JPS5882229A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2292256A1 (fr) * | 1974-11-22 | 1976-06-18 | Polaroid Corp | Dispositif de commande d'exposition pour un appareil de prise de vues photographiques |
| FR2303303A1 (fr) * | 1975-03-03 | 1976-10-01 | Polaroid Corp | Commande de reglage fin, uniforme, perfectionnee pour dispositif de commande d'exposition a suiveur de mise au point |
| FR2303302A1 (fr) * | 1975-03-03 | 1976-10-01 | Polaroid Corp | Systeme de commande d'exposition avec suiveur de mise au point |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6113568B2 (ja) | 1986-04-14 |
| AU4517572A (en) | 1974-02-07 |
| DE2237838A1 (de) | 1973-02-15 |
| JPS5882229A (ja) | 1983-05-17 |
| DE2237838C2 (de) | 1982-09-23 |
| CA997190A (en) | 1976-09-21 |
| JPS4825521A (ja) | 1973-04-03 |
| IT1046467B (it) | 1980-06-30 |
| GB1391292A (en) | 1975-04-23 |