CA954929A - Electrophotographic microfilm re-enlarging apparatus - Google Patents
Electrophotographic microfilm re-enlarging apparatusInfo
- Publication number
- CA954929A CA954929A CA111,152A CA111152A CA954929A CA 954929 A CA954929 A CA 954929A CA 111152 A CA111152 A CA 111152A CA 954929 A CA954929 A CA 954929A
- Authority
- CA
- Canada
- Prior art keywords
- enlarging apparatus
- electrophotographic microfilm
- microfilm
- electrophotographic
- enlarging
- 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.)
- Expired
Links
Classifications
-
- 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
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6517—Apparatus for continuous web copy material of plain paper, e.g. supply rolls; Roll holders therefor
- G03G15/6523—Cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
- B23D15/08—Sheet shears with a blade moved in one plane, e.g. perpendicular to the surface of the sheet
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
- G03B21/118—Reader-printers
-
- 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
- G03B27/58—Baseboards, masking frames, or other holders for the sensitive material
- G03B27/587—Handling photosensitive webs
- G03B27/588—Supply rolls; Cutting arrangements
-
- 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
-
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/26—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Projection-Type Copiers In General (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2050012A DE2050012C3 (en) | 1970-10-12 | 1970-10-12 | Microfilm re-enlarger |
Publications (1)
Publication Number | Publication Date |
---|---|
CA954929A true CA954929A (en) | 1974-09-17 |
Family
ID=5784862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA111,152A Expired CA954929A (en) | 1970-10-12 | 1971-04-23 | Electrophotographic microfilm re-enlarging apparatus |
Country Status (9)
Country | Link |
---|---|
US (1) | US3733128A (en) |
JP (1) | JPS5010735B1 (en) |
AT (1) | AT333124B (en) |
BE (1) | BE766144A (en) |
CA (1) | CA954929A (en) |
CH (1) | CH531734A (en) |
DE (1) | DE2050012C3 (en) |
GB (1) | GB1350283A (en) |
NL (1) | NL7105558A (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2255513C2 (en) * | 1971-11-15 | 1982-04-01 | Kabushiki Kaisha Ricoh, Tokyo | Microfilm reading and re-enlarging device for originals |
DE2312185A1 (en) * | 1972-04-11 | 1973-10-18 | Johann Dr Rotter | PROJECTION DEVICE |
IT956251B (en) * | 1972-05-04 | 1973-10-10 | Grafosol Spa | DOUBLE-COIL DEVICE FOR THE PRODUCTION OF COPIES AND MATRICES WITH THE ELECTROSTATIC METHOD |
US3806241A (en) * | 1973-04-11 | 1974-04-23 | Dick Co Ab | Image reproduction machine with improved exposure station for making variable size copies |
US3988064A (en) * | 1973-11-13 | 1976-10-26 | Canon Kabushiki Kaisha | Reader-printer |
JPS5626026B2 (en) * | 1973-12-28 | 1981-06-16 | ||
US4017173A (en) * | 1974-01-11 | 1977-04-12 | Canon Kabushiki Kaisha | Copying apparatus for copying a plurality of original surfaces with a single scan |
GB1490755A (en) * | 1975-03-10 | 1977-11-02 | Seib M | Optical viewing apparatus |
US4053221A (en) * | 1975-10-14 | 1977-10-11 | Xerox Corporation | Multi-mode reproducing apparatus |
JPS544983Y2 (en) * | 1975-11-21 | 1979-03-03 | ||
DE2654076C3 (en) * | 1975-11-28 | 1994-12-22 | Canon Kk | Copier |
US4077715A (en) * | 1977-02-18 | 1978-03-07 | Itek Corporation | Adjustable optical cam |
FR2534035A1 (en) * | 1982-10-05 | 1984-04-06 | Kis France Sa | Apparatus for feeding sensitive paper for an automatic printing and/or developing device. |
FR2542880B1 (en) * | 1983-03-18 | 1987-12-04 | Kis France Sa | IMPROVED DEVICE FOR SIMULTANEOUS PHOTOGRAPHY DRAWING AND DEVELOPMENT |
US4547065A (en) * | 1982-10-05 | 1985-10-15 | Kis France | Device for simultaneously printing and developing photographs |
JPS63115156A (en) * | 1986-10-31 | 1988-05-19 | Brother Ind Ltd | Copying machine |
JPS63153530A (en) * | 1986-12-17 | 1988-06-25 | Minolta Camera Co Ltd | Image forming device |
JPH03196068A (en) * | 1989-12-26 | 1991-08-27 | Minolta Camera Co Ltd | Reader printer |
JP3158691B2 (en) * | 1992-08-07 | 2001-04-23 | 株式会社ニコン | Exposure apparatus and method, and illumination optical apparatus |
US7217051B2 (en) * | 2004-01-21 | 2007-05-15 | Silverbrook Research Pty Ltd | Slitter module with optional cutter |
US7607467B2 (en) * | 2006-01-17 | 2009-10-27 | Cryovac, Inc. | Web dispenser |
US8186896B2 (en) * | 2007-07-16 | 2012-05-29 | Cryovac, Inc. | Apparatus and method for printing and dispensing a web |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3286587A (en) * | 1962-04-02 | 1966-11-22 | Eastman Kodak Co | Photographic copying apparatus |
US3437410A (en) * | 1966-04-26 | 1969-04-08 | Addressograph Multigraph | Photocopying apparatus |
US3476478A (en) * | 1967-01-03 | 1969-11-04 | Xerox Corp | Apparatus for changing the magnification of a photocopier without changing the conjugate length of the optical system |
US3572924A (en) * | 1967-10-12 | 1971-03-30 | Tokyo Shibaura Electric Co | Copying apparatus |
US3542467A (en) * | 1968-04-15 | 1970-11-24 | Xerox Corp | Xerographic reproducing apparatus |
US3598489A (en) * | 1969-01-02 | 1971-08-10 | Spaco Inc | Projection system |
-
1970
- 1970-10-12 DE DE2050012A patent/DE2050012C3/en not_active Expired
- 1970-10-23 CH CH1572070A patent/CH531734A/en not_active IP Right Cessation
- 1970-10-24 JP JP45093885A patent/JPS5010735B1/ja active Pending
-
1971
- 1971-04-15 AT AT320671A patent/AT333124B/en not_active IP Right Cessation
- 1971-04-21 US US00135870A patent/US3733128A/en not_active Expired - Lifetime
- 1971-04-22 GB GB1080971*[A patent/GB1350283A/en not_active Expired
- 1971-04-22 BE BE766144A patent/BE766144A/en not_active IP Right Cessation
- 1971-04-23 NL NL7105558A patent/NL7105558A/xx unknown
- 1971-04-23 CA CA111,152A patent/CA954929A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH531734A (en) | 1972-12-15 |
US3733128A (en) | 1973-05-15 |
ATA320671A (en) | 1976-02-15 |
AT333124B (en) | 1976-11-10 |
GB1350283A (en) | 1974-04-18 |
DE2050012A1 (en) | 1971-11-11 |
DE2050012C3 (en) | 1978-06-29 |
JPS5010735B1 (en) | 1975-04-24 |
NL7105558A (en) | 1972-04-14 |
DE2050012B2 (en) | 1977-11-03 |
BE766144A (en) | 1971-10-22 |
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