GB1494294A - Microimage projection reader - Google Patents

Microimage projection reader

Info

Publication number
GB1494294A
GB1494294A GB4899375A GB4899375A GB1494294A GB 1494294 A GB1494294 A GB 1494294A GB 4899375 A GB4899375 A GB 4899375A GB 4899375 A GB4899375 A GB 4899375A GB 1494294 A GB1494294 A GB 1494294A
Authority
GB
United Kingdom
Prior art keywords
contact member
sheet
lens system
spacer
glass plate
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
GB4899375A
Other languages
English (en)
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.)
NCR Voyix Corp
Original Assignee
NCR 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 NCR Corp filed Critical NCR Corp
Publication of GB1494294A publication Critical patent/GB1494294A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB4899375A 1974-12-09 1975-11-28 Microimage projection reader Expired GB1494294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53063574A 1974-12-09 1974-12-09

Publications (1)

Publication Number Publication Date
GB1494294A true GB1494294A (en) 1977-12-07

Family

ID=24114363

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4899375A Expired GB1494294A (en) 1974-12-09 1975-11-28 Microimage projection reader

Country Status (5)

Country Link
JP (1) JPS5168828A (https=)
CA (1) CA1039544A (https=)
DE (1) DE2554909A1 (https=)
FR (1) FR2294466A1 (https=)
GB (1) GB1494294A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643288C2 (de) * 1976-09-25 1986-01-09 Agfa-Gevaert Ag, 5090 Leverkusen Mikrofilm-Lesegerät
DE2746988C2 (de) * 1977-10-19 1989-08-31 Peter 6351 Wisselsheim Dziemba Vorrichtung zum Lesen und/oder Rückvergrößern von mikroverfilmten Informationen und Bildern, sowie Kassette hierfür
DE3343973C2 (de) * 1983-12-06 1986-07-24 Fa. Ed. Liesegang, 4000 Düsseldorf Mikrofilm-Projektor

Also Published As

Publication number Publication date
FR2294466B1 (https=) 1979-06-22
FR2294466A1 (fr) 1976-07-09
DE2554909A1 (de) 1976-06-16
CA1039544A (en) 1978-10-03
JPS5168828A (ja) 1976-06-14

Similar Documents

Publication Publication Date Title
US3733121A (en) Microfiche reader
US3424524A (en) Micro-image display apparatus
US3352201A (en) Projector viewer and image scanning assembly therefor
US3413061A (en) Microfilm reader
US3442581A (en) Low cost microfiche reader
GB1494294A (en) Microimage projection reader
GB1148363A (en) Improvements in or relating to optical projectors
US3560083A (en) Microimage reader
US2407009A (en) Microfilm viewer
GB1384561A (en) Photographic projection viewer
US4220404A (en) Microfiche reader
US3433564A (en) Vacuum transparency holder and optics
US3060797A (en) Slide projector
GB1288669A (https=)
CA1142002A (en) Microfilm reader and work station
US2164847A (en) Projector
GB1449413A (en) Microfiche camera editing device
US2262972A (en) Photographic enlarger
US4618232A (en) Desk top microform reader
US4575230A (en) Transparent contoured support plate for film
GB1443464A (en) Optical projection apparatus
GB1434632A (en) Microfilm reading apparatus
US2568505A (en) Contact screen halftone camera
GB1558708A (en) Microfilm-reading apparatus
US3791727A (en) Microform reader projection lens tracking mechanism

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee