FR2360099A1 - Indicateur de surexposition pour obturateurs d'appareils photographiques - Google Patents
Indicateur de surexposition pour obturateurs d'appareils photographiquesInfo
- Publication number
- FR2360099A1 FR2360099A1 FR7709385A FR7709385A FR2360099A1 FR 2360099 A1 FR2360099 A1 FR 2360099A1 FR 7709385 A FR7709385 A FR 7709385A FR 7709385 A FR7709385 A FR 7709385A FR 2360099 A1 FR2360099 A1 FR 2360099A1
- Authority
- FR
- France
- Prior art keywords
- overexposure
- indicator
- photographic shutters
- cameras
- shutters
- 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.)
- Withdrawn
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutter-Related Mechanisms (AREA)
- Exposure Control For Cameras (AREA)
Abstract
Indicateur de surexposition pour appareils photographiques. Un système électronique, coopérant avec le mécanisme obturateur, comprend une photorésistance 32 en série avec une résistance fixe 33 et un interrupteur 29. La prise intermédiaire 35 du diviseur de tension 32, 33 est reliée à un circuit basculeur 36 dont la sortie 37 est raccordée au bobinage 21 d'un électro-aimant qui attire une armature. Application : construction d'appareils photographiques.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70945376A | 1976-07-28 | 1976-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2360099A1 true FR2360099A1 (fr) | 1978-02-24 |
Family
ID=24849913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7709385A Withdrawn FR2360099A1 (fr) | 1976-07-28 | 1977-03-29 | Indicateur de surexposition pour obturateurs d'appareils photographiques |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2733818A1 (fr) |
FR (1) | FR2360099A1 (fr) |
GB (1) | GB1569137A (fr) |
IT (1) | IT1073344B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2820412A1 (fr) | 2001-02-07 | 2002-08-09 | Patrick Dauchy | Armoire de rangement de reserve automatique |
-
1976
- 1976-10-15 GB GB4285976A patent/GB1569137A/en not_active Expired
- 1976-10-18 IT IT2844576A patent/IT1073344B/it active
-
1977
- 1977-03-29 FR FR7709385A patent/FR2360099A1/fr not_active Withdrawn
- 1977-07-27 DE DE19772733818 patent/DE2733818A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2820412A1 (fr) | 2001-02-07 | 2002-08-09 | Patrick Dauchy | Armoire de rangement de reserve automatique |
WO2002063579A1 (fr) | 2001-02-07 | 2002-08-15 | Patrick Dauchy | Armoire de rangement de reserve automatique |
Also Published As
Publication number | Publication date |
---|---|
DE2733818A1 (de) | 1978-02-09 |
IT1073344B (it) | 1985-04-17 |
GB1569137A (en) | 1980-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |