FR2303302A1 - Systeme de commande d'exposition avec suiveur de mise au point - Google Patents
Systeme de commande d'exposition avec suiveur de mise au pointInfo
- Publication number
- FR2303302A1 FR2303302A1 FR7605945A FR7605945A FR2303302A1 FR 2303302 A1 FR2303302 A1 FR 2303302A1 FR 7605945 A FR7605945 A FR 7605945A FR 7605945 A FR7605945 A FR 7605945A FR 2303302 A1 FR2303302 A1 FR 2303302A1
- Authority
- FR
- France
- Prior art keywords
- control system
- exposure control
- focus tracker
- tracker
- focus
- Prior art date
- 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.)
- Granted
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
- G03B7/16—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
- Lens Barrels (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/554,926 US3972057A (en) | 1975-03-03 | 1975-03-03 | Exposure control system with follow focus capability |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2303302A1 true FR2303302A1 (fr) | 1976-10-01 |
FR2303302B1 FR2303302B1 (fr) | 1980-04-18 |
Family
ID=24215275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7605945A Granted FR2303302A1 (fr) | 1975-03-03 | 1976-03-03 | Systeme de commande d'exposition avec suiveur de mise au point |
Country Status (7)
Country | Link |
---|---|
US (1) | US3972057A (fr) |
JP (1) | JPS6014332B2 (fr) |
AU (1) | AU502622B2 (fr) |
CA (1) | CA1064751A (fr) |
DE (1) | DE2608736A1 (fr) |
FR (1) | FR2303302A1 (fr) |
GB (1) | GB1539066A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2393336A1 (fr) * | 1977-05-31 | 1978-12-29 | Polaroid Corp | Systeme de commande d'exposition pour un appareil de prise de vues photographiques |
FR2424560A1 (fr) * | 1978-04-24 | 1979-11-23 | Polaroid Corp | Dispositif de commande d'exposition a focal fixe avec une caracteristique de correction d'aberration spherique inverse |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4017873A (en) * | 1975-10-03 | 1977-04-12 | Polaroid Corporation | Exposure control system with braking capability |
US4040072A (en) * | 1976-01-13 | 1977-08-02 | Polaroid Corporation | Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement |
US4147418A (en) * | 1977-10-11 | 1979-04-03 | Polaroid Corporation | Photographic exposure control system with independent ambient and artificial illumination control modes |
US4431286A (en) * | 1981-10-13 | 1984-02-14 | Polaroid Corporation | Photographic exposure control system having selectable ambient and flash modes |
JPS58166630U (ja) * | 1982-04-30 | 1983-11-07 | 株式会社コシナ | フラツシユマチツク装置 |
GB2547884B (en) | 2016-01-23 | 2020-02-19 | Subratie Andrew | Follow focus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2149857A6 (fr) * | 1971-08-03 | 1973-03-30 | Polaroid Corp | |
FR2236203A1 (fr) * | 1973-07-05 | 1975-01-31 | Polaroid Corp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3478660A (en) * | 1966-09-29 | 1969-11-18 | Polaroid Corp | Photographic apparatus with flash exposure control system |
GB1261143A (en) * | 1968-02-29 | 1972-01-19 | Ricoh Kk | Improvements in and relating to photographic cameras |
US3832722A (en) * | 1971-08-03 | 1974-08-27 | Polaroid Corp | Apparatus and system for flash photography |
CA1000547A (en) * | 1972-10-11 | 1976-11-30 | Israel Nesson | Photographic exposure control mechanism |
-
1975
- 1975-03-03 US US05/554,926 patent/US3972057A/en not_active Expired - Lifetime
-
1976
- 1976-03-01 CA CA246,823A patent/CA1064751A/fr not_active Expired
- 1976-03-02 JP JP51022578A patent/JPS6014332B2/ja not_active Expired
- 1976-03-03 DE DE19762608736 patent/DE2608736A1/de not_active Withdrawn
- 1976-03-03 AU AU11637/76A patent/AU502622B2/en not_active Expired
- 1976-03-03 GB GB8521/76A patent/GB1539066A/en not_active Expired
- 1976-03-03 FR FR7605945A patent/FR2303302A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2149857A6 (fr) * | 1971-08-03 | 1973-03-30 | Polaroid Corp | |
FR2236203A1 (fr) * | 1973-07-05 | 1975-01-31 | Polaroid Corp |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2393336A1 (fr) * | 1977-05-31 | 1978-12-29 | Polaroid Corp | Systeme de commande d'exposition pour un appareil de prise de vues photographiques |
FR2424560A1 (fr) * | 1978-04-24 | 1979-11-23 | Polaroid Corp | Dispositif de commande d'exposition a focal fixe avec une caracteristique de correction d'aberration spherique inverse |
Also Published As
Publication number | Publication date |
---|---|
JPS51112337A (en) | 1976-10-04 |
JPS6014332B2 (ja) | 1985-04-12 |
CA1064751A (fr) | 1979-10-23 |
GB1539066A (en) | 1979-01-24 |
US3972057A (en) | 1976-07-27 |
AU1163776A (en) | 1977-09-08 |
DE2608736A1 (de) | 1976-09-16 |
FR2303302B1 (fr) | 1980-04-18 |
AU502622B2 (en) | 1979-08-02 |
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