JPS4828435U - - Google Patents
Info
- Publication number
- JPS4828435U JPS4828435U JP1971071071U JP7107171U JPS4828435U JP S4828435 U JPS4828435 U JP S4828435U JP 1971071071 U JP1971071071 U JP 1971071071U JP 7107171 U JP7107171 U JP 7107171U JP S4828435 U JPS4828435 U JP S4828435U
- Authority
- JP
- Japan
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
- G03B27/40—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage adapted for use with lenses of different focal length
-
- 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
- G03G15/041—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 variable magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971071071U JPS5330278Y2 (en) | 1971-08-09 | 1971-08-09 | |
US00272709A US3779642A (en) | 1971-08-09 | 1972-07-17 | Variable magnification copier machine |
DE2238972A DE2238972C3 (en) | 1971-08-09 | 1972-08-08 | Apparatus for selecting a desired copying magnification in a copier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971071071U JPS5330278Y2 (en) | 1971-08-09 | 1971-08-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4828435U true JPS4828435U (en) | 1973-04-07 |
JPS5330278Y2 JPS5330278Y2 (en) | 1978-07-28 |
Family
ID=13449910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1971071071U Expired JPS5330278Y2 (en) | 1971-08-09 | 1971-08-09 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3779642A (en) |
JP (1) | JPS5330278Y2 (en) |
DE (1) | DE2238972C3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5243480A (en) * | 1975-10-02 | 1977-04-05 | Matsushita Electric Ind Co Ltd | Moisture sensitive element |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50151635U (en) * | 1974-05-31 | 1975-12-17 | ||
NL168342C (en) * | 1974-06-28 | 1982-03-16 | Oce Van Der Grinten Nv | REPRODUCTION DEVICE |
US4135794A (en) * | 1975-05-12 | 1979-01-23 | Addressograph-Multigraph Corporation | Photocomposition machine |
US4046467A (en) * | 1975-05-14 | 1977-09-06 | Xerox Corporation | Zoom lens copier |
US4110028A (en) * | 1975-08-04 | 1978-08-29 | Xerox Corporation | Drive system for multi-mode reproducing apparatus |
US4053221A (en) * | 1975-10-14 | 1977-10-11 | Xerox Corporation | Multi-mode reproducing apparatus |
JPS544983Y2 (en) * | 1975-11-21 | 1979-03-03 | ||
JPS53114432A (en) * | 1977-03-16 | 1978-10-05 | Minolta Camera Co Ltd | Zerographic copying machine with magnifying mechanism |
DE2839076C3 (en) * | 1977-09-09 | 1998-01-29 | Canon Kk | Copier |
JPS554454U (en) * | 1978-06-23 | 1980-01-12 | ||
US4215922A (en) * | 1978-11-01 | 1980-08-05 | Am International, Inc. | Method for projecting characters at a selected point size in a photocomposition machine |
DK149352C (en) * | 1979-01-11 | 1986-11-03 | Eskofot As | PROCEDURE FOR SETTING A MAGAZINE |
JPS56144445A (en) * | 1980-04-11 | 1981-11-10 | Toshiba Corp | Copying machine |
JPS6239394Y2 (en) * | 1981-03-19 | 1987-10-07 | ||
JPS57181567A (en) * | 1981-04-30 | 1982-11-09 | Fuji Xerox Co Ltd | Copying machine of continuously variable magnification |
US4676632A (en) * | 1984-11-08 | 1987-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Variable magnification copying optical system |
US4866477A (en) * | 1988-06-10 | 1989-09-12 | Eastman Kodak Company | Automatic lens selection for desired optical reduction ratio in a microfilm camera |
DE29602738U1 (en) * | 1996-02-22 | 1996-06-05 | Descours, Pierre Marie, 72074 Tübingen | Exposure device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119108B (en) * | 1960-03-30 | 1961-12-07 | Photo Copie G M B H | Continuous microfilm camera for taking photographs of flat originals |
CH406846A (en) * | 1963-03-13 | 1966-01-31 | Gretag Ag | Photographic copier for at least two different negative and positive formats |
US3511565A (en) * | 1968-04-18 | 1970-05-12 | Drewry Photocolor Corp | Photo apparatus having rotary film transport |
US3688672A (en) * | 1970-03-25 | 1972-09-05 | Compugraphic Corp | Keyboard operated phototypesetting display machine |
-
1971
- 1971-08-09 JP JP1971071071U patent/JPS5330278Y2/ja not_active Expired
-
1972
- 1972-07-17 US US00272709A patent/US3779642A/en not_active Expired - Lifetime
- 1972-08-08 DE DE2238972A patent/DE2238972C3/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5243480A (en) * | 1975-10-02 | 1977-04-05 | Matsushita Electric Ind Co Ltd | Moisture sensitive element |
Also Published As
Publication number | Publication date |
---|---|
DE2238972C3 (en) | 1982-03-04 |
DE2238972B2 (en) | 1981-06-04 |
DE2238972A1 (en) | 1973-02-22 |
US3779642A (en) | 1973-12-18 |
JPS5330278Y2 (en) | 1978-07-28 |