CH531734A - Device for the electrophotographic production of re-enlarged copies of microfilms - Google Patents

Device for the electrophotographic production of re-enlarged copies of microfilms

Info

Publication number
CH531734A
CH531734A CH1572070A CH1572070A CH531734A CH 531734 A CH531734 A CH 531734A CH 1572070 A CH1572070 A CH 1572070A CH 1572070 A CH1572070 A CH 1572070A CH 531734 A CH531734 A CH 531734A
Authority
CH
Switzerland
Prior art keywords
microfilms
enlarged copies
electrophotographic production
electrophotographic
copies
Prior art date
Application number
CH1572070A
Other languages
German (de)
Inventor
Gerhard Dr Naumann
Marx Gerhard
Blume Erich
Original Assignee
Kalle Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kalle Ag filed Critical Kalle Ag
Publication of CH531734A publication Critical patent/CH531734A/en

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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Projection-Type Copiers In General (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
CH1572070A 1970-10-12 1970-10-23 Device for the electrophotographic production of re-enlarged copies of microfilms CH531734A (en)

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
CH531734A true CH531734A (en) 1972-12-15

Family

ID=5784862

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1572070A CH531734A (en) 1970-10-12 1970-10-23 Device for the electrophotographic production of re-enlarged copies of microfilms

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)

* Cited by examiner, † Cited by third party
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
FR2542880B1 (en) * 1983-03-18 1987-12-04 Kis France Sa IMPROVED DEVICE FOR SIMULTANEOUS PHOTOGRAPHY DRAWING AND DEVELOPMENT
FR2534035A1 (en) * 1982-10-05 1984-04-06 Kis France Sa Apparatus for feeding sensitive paper for an automatic printing and/or developing device.
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2050012A1 (en) 1971-11-11
NL7105558A (en) 1972-04-14
CA954929A (en) 1974-09-17
ATA320671A (en) 1976-02-15
DE2050012C3 (en) 1978-06-29
AT333124B (en) 1976-11-10
DE2050012B2 (en) 1977-11-03
BE766144A (en) 1971-10-22
GB1350283A (en) 1974-04-18
JPS5010735B1 (en) 1975-04-24
US3733128A (en) 1973-05-15

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Legal Events

Date Code Title Description
PL Patent ceased
PK Correction