CA990558A - Microform projections and viewer apparatus - Google Patents

Microform projections and viewer apparatus

Info

Publication number
CA990558A
CA990558A CA172,182A CA172182A CA990558A CA 990558 A CA990558 A CA 990558A CA 172182 A CA172182 A CA 172182A CA 990558 A CA990558 A CA 990558A
Authority
CA
Canada
Prior art keywords
microform
projections
viewer apparatus
viewer
microform projections
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
Application number
CA172,182A
Other languages
English (en)
Other versions
CA172182S (en
Inventor
David A. Grafton
James R. Douglas
Lloyd M. Adams
Edward G. Mycek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA990558A publication Critical patent/CA990558A/en
Expired legal-status Critical Current

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
    • 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
    • G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
CA172,182A 1972-09-06 1973-05-24 Microform projections and viewer apparatus Expired CA990558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00286648A US3814514A (en) 1972-09-06 1972-09-06 Microform projection and viewer apparatus

Publications (1)

Publication Number Publication Date
CA990558A true CA990558A (en) 1976-06-08

Family

ID=23099540

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,182A Expired CA990558A (en) 1972-09-06 1973-05-24 Microform projections and viewer apparatus

Country Status (3)

Country Link
US (1) US3814514A (OSRAM)
CA (1) CA990558A (OSRAM)
NL (1) NL7312312A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941467A (en) * 1974-10-29 1976-03-02 Kaptron, Inc. Optical projector/reader
US4327974A (en) * 1978-04-11 1982-05-04 Topper Manufacturing Corporation Microform viewer
US4329045A (en) * 1980-04-09 1982-05-11 Xerox Corporation Illumination system for microfilm printer
US4358184A (en) * 1981-02-24 1982-11-09 Topper Manufacturing Corporation Compact collapsible microform viewer
DE3329003A1 (de) * 1983-08-11 1985-02-28 MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen Vorrichtung zum fokussieren eines objektivs
EP0154195A3 (en) * 1984-02-10 1986-04-30 Fuji Photo Film Co., Ltd. Micro-reader
WO1998019213A1 (en) * 1996-10-31 1998-05-07 Sanyo Electric Co., Ltd. Back projection display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR996137A (fr) * 1949-08-10 1951-12-13 Nouveau lecteur de bureau pour microfiches et microfilms
US2847902A (en) * 1954-12-03 1958-08-19 Ferrania Spa Portable projection apparatus for diapositives and microfilms
US3520599A (en) * 1968-03-25 1970-07-14 Eugene Martinez Projector film advance mechanism
US3667839A (en) * 1970-05-04 1972-06-06 Stromberg Datagraphix Inc Microfiche viewer
US3700321A (en) * 1970-11-18 1972-10-24 Micro 8 Co Microfilm viewer

Also Published As

Publication number Publication date
US3814514A (en) 1974-06-04
NL7312312A (OSRAM) 1974-03-11

Similar Documents

Publication Publication Date Title
CA974450A (en) Pipe-spinning apparatus and method
CA1016739A (en) Electrostatic apparatus and method
CA995332A (en) Microfilm handling apparatus
CA984360A (en) Granulating apparatus
AU476173B2 (en) Process and apparatus
CA990558A (en) Microform projections and viewer apparatus
CA1006726A (en) Motion picture viewer apparatus
CA976789A (en) Television picture projecting device
CA1011583A (en) Microform positioning apparatus
CA907720A (en) Device and method
AU469595B2 (en) Electrophotographic apparatus and method
CA960070A (en) Image projecting device
AU480282B2 (en) Supports and cameras
CA898574A (en) Photographic apparatus and process
CA893239A (en) Photographic apparatus and process
AU456416B2 (en) Photographic apparatus and method
CA909502A (en) Education method and device
CA901854A (en) Microfilm projector apparatus
CA907136A (en) Connection forming apparatus and method
AU463349B2 (en) Electrographic method and apparatus
CA896164A (en) Video film and film recording apparatus
CA896071A (en) Getter-sputtering apparatus and method
CA896638A (en) Loop-making apparatus and method
CA897000A (en) Yarn-treatment method and apparatus
AU480877B2 (en) Tile-setting and mold form apparatus