GB1546511A - Film projecting device - Google Patents

Film projecting device

Info

Publication number
GB1546511A
GB1546511A GB854476A GB854476A GB1546511A GB 1546511 A GB1546511 A GB 1546511A GB 854476 A GB854476 A GB 854476A GB 854476 A GB854476 A GB 854476A GB 1546511 A GB1546511 A GB 1546511A
Authority
GB
United Kingdom
Prior art keywords
projecting device
film projecting
film
projecting
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
GB854476A
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of GB1546511A publication Critical patent/GB1546511A/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)
  • Automatic Focus Adjustment (AREA)
GB854476A 1975-03-12 1976-03-03 Film projecting device Expired GB1546511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2979275A JPS51104823A (ja) 1975-03-12 1975-03-12 Toeisochi

Publications (1)

Publication Number Publication Date
GB1546511A true GB1546511A (en) 1979-05-23

Family

ID=12285836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB854476A Expired GB1546511A (en) 1975-03-12 1976-03-03 Film projecting device

Country Status (3)

Country Link
JP (1) JPS51104823A (enExample)
DE (1) DE2610218C3 (enExample)
GB (1) GB1546511A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484099A1 (fr) * 1980-06-10 1981-12-11 Commissariat Energie Atomique Procede et dispositif de reperage d'informations portees par une microfiche
DE3439254A1 (de) * 1984-10-26 1986-04-30 MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen Objektivhalterung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319518A (en) * 1965-02-17 1967-05-16 Ncr Co System for retrieving microimages formed on superpositioned microforms and the like
DE2115205C3 (de) * 1971-03-29 1980-04-17 Agfa-Geaert Ag, 5090 Leverkusen Einrichtung zum Verstellen der Schärfeebene eines Objektives in einem Mikrofilmlesegerät
US3848095A (en) * 1972-12-20 1974-11-12 I O Metrics Corp Three dimensional electro-optical retrieval system

Also Published As

Publication number Publication date
DE2610218B2 (de) 1980-11-13
JPS615134B2 (enExample) 1986-02-15
DE2610218A1 (de) 1976-09-23
JPS51104823A (ja) 1976-09-17
DE2610218C3 (de) 1981-08-27

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19960302