JPS6289639U - - Google Patents
Info
- Publication number
- JPS6289639U JPS6289639U JP1985182376U JP18237685U JPS6289639U JP S6289639 U JPS6289639 U JP S6289639U JP 1985182376 U JP1985182376 U JP 1985182376U JP 18237685 U JP18237685 U JP 18237685U JP S6289639 U JPS6289639 U JP S6289639U
- Authority
- JP
- Japan
- Prior art keywords
- document
- view
- projection
- original
- perspective
- 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
- 238000005286 illumination Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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
- G03B27/54—Lamp housings; Illuminating means
- G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
- G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Projection-Type Copiers In General (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985182376U JPS6289639U (US07655688-20100202-C00086.png) | 1985-11-27 | 1985-11-27 | |
US06/934,572 US4721979A (en) | 1985-11-27 | 1986-11-24 | Document illuminating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985182376U JPS6289639U (US07655688-20100202-C00086.png) | 1985-11-27 | 1985-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6289639U true JPS6289639U (US07655688-20100202-C00086.png) | 1987-06-08 |
Family
ID=16117225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985182376U Pending JPS6289639U (US07655688-20100202-C00086.png) | 1985-11-27 | 1985-11-27 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4721979A (US07655688-20100202-C00086.png) |
JP (1) | JPS6289639U (US07655688-20100202-C00086.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3256409B2 (ja) * | 1995-04-28 | 2002-02-12 | キヤノン株式会社 | 原稿照明装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3539258A (en) * | 1968-01-10 | 1970-11-10 | Addressograph Multigraph | Optical apparatus for document copier |
US3669538A (en) * | 1970-08-31 | 1972-06-13 | Ibm | Illumination system |
US3850523A (en) * | 1973-07-13 | 1974-11-26 | Minnesota Mining & Mfg | Photocopier light box |
US4139297A (en) * | 1975-01-13 | 1979-02-13 | Minolta Camera Kabushiki Kaisha | Electrophotographic copying apparatus with novel exposure slit means |
-
1985
- 1985-11-27 JP JP1985182376U patent/JPS6289639U/ja active Pending
-
1986
- 1986-11-24 US US06/934,572 patent/US4721979A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4721979A (en) | 1988-01-26 |