JPS5772132A - Photographing device - Google Patents
Photographing deviceInfo
- Publication number
- JPS5772132A JPS5772132A JP14906780A JP14906780A JPS5772132A JP S5772132 A JPS5772132 A JP S5772132A JP 14906780 A JP14906780 A JP 14906780A JP 14906780 A JP14906780 A JP 14906780A JP S5772132 A JPS5772132 A JP S5772132A
- Authority
- JP
- Japan
- Prior art keywords
- original
- detector
- region
- photographing
- gate
- 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.)
- Pending
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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/62—Holders for the original
- G03B27/6207—Holders for the original in copying cameras
- G03B27/6214—Copy boards
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holders For Sensitive Materials And Originals (AREA)
Abstract
PURPOSE:To prevent erroneous photographing work when an original is not correctly placed by controlling photographing operation by combining the detection signal of the time when the original is in a photographing region and the detection signal of the time when it is outside the region. CONSTITUTION:An original is placed within the indices 5 showing the photographable region of an original placing plate 1a, and is detected with the 1st detector 6 having a phototransistor 6a, but if it is outside the region, it is detected by the 2nd detectors 7-10. If with this constitution the original is within the indices 5, the 1st detector 6 is non-conducting and the 2nd detectors 7-10 are conducting. An AND gate 21 goes to the high level by the prescribed circuits and the gate 21 opens, thereby operating the shutter. When the original deviates to the position of the detector 7, the detector 7 goes to the low level to prevent the gate 21 from opening, thereby inhibiting the shutter operation. Thereby, the photographing of the time when the original is not correctly placed is prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14906780A JPS5772132A (en) | 1980-10-23 | 1980-10-23 | Photographing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14906780A JPS5772132A (en) | 1980-10-23 | 1980-10-23 | Photographing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5772132A true JPS5772132A (en) | 1982-05-06 |
Family
ID=15466948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14906780A Pending JPS5772132A (en) | 1980-10-23 | 1980-10-23 | Photographing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5772132A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4968644A (en) * | 1986-06-16 | 1990-11-06 | At&T Bell Laboratories | Method for fabricating devices and devices formed thereby |
-
1980
- 1980-10-23 JP JP14906780A patent/JPS5772132A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4968644A (en) * | 1986-06-16 | 1990-11-06 | At&T Bell Laboratories | Method for fabricating devices and devices formed thereby |
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