CA1089265A - Viewing apparatus for microdocuments - Google Patents

Viewing apparatus for microdocuments

Info

Publication number
CA1089265A
CA1089265A CA273,401A CA273401A CA1089265A CA 1089265 A CA1089265 A CA 1089265A CA 273401 A CA273401 A CA 273401A CA 1089265 A CA1089265 A CA 1089265A
Authority
CA
Canada
Prior art keywords
screen
lens
image
viewer
microimage
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
CA273,401A
Other languages
English (en)
French (fr)
Inventor
Stephen P. Hines
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA1089265A publication Critical patent/CA1089265A/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)
  • Overhead Projectors And Projection Screens (AREA)
  • Lenses (AREA)
CA273,401A 1976-04-09 1977-03-08 Viewing apparatus for microdocuments Expired CA1089265A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67510076A 1976-04-09 1976-04-09
US675,100 1976-04-09

Publications (1)

Publication Number Publication Date
CA1089265A true CA1089265A (en) 1980-11-11

Family

ID=24709057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273,401A Expired CA1089265A (en) 1976-04-09 1977-03-08 Viewing apparatus for microdocuments

Country Status (7)

Country Link
US (1) US4157214A (enExample)
JP (1) JPS52124333A (enExample)
CA (1) CA1089265A (enExample)
DE (1) DE2715789A1 (enExample)
FR (1) FR2347702A1 (enExample)
GB (1) GB1571067A (enExample)
HK (1) HK64780A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5820242A (en) * 1996-03-29 1998-10-13 Minnesota Mining And Manufacturing Company Compact integrated LCD projector
US5639152A (en) * 1996-06-11 1997-06-17 Telex Communications, Inc. Collapsible LCD projector
TWD166188S (zh) * 2014-01-23 2015-02-21 鴻海精密工業股份有限公司 導光板
TWD165416S (zh) * 2014-04-10 2015-01-11 鴻海精密工業股份有限公司 導光板
TWD165415S (zh) * 2014-04-10 2015-01-11 鴻海精密工業股份有限公司 導光板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891444A (en) * 1955-10-24 1959-06-23 Eastman Kodak Co Stereo table viewer
US3253505A (en) * 1965-01-11 1966-05-31 Wendell S Miller Projection of images onto inclined screens
US3658415A (en) * 1970-09-14 1972-04-25 Microdisplay Systems Inc Off axis low volume microform projector
US3930723A (en) * 1974-04-22 1976-01-06 Creative Optics, Inc. Method and apparatus for viewing pictures

Also Published As

Publication number Publication date
DE2715789A1 (de) 1977-10-20
FR2347702B1 (enExample) 1982-06-04
HK64780A (en) 1980-11-21
GB1571067A (en) 1980-07-09
FR2347702A1 (fr) 1977-11-04
US4157214A (en) 1979-06-05
JPS52124333A (en) 1977-10-19

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Legal Events

Date Code Title Description
MKEX Expiry