ZA705301B - Microfilm reader - Google Patents

Microfilm reader

Info

Publication number
ZA705301B
ZA705301B ZA705301*A ZA705301A ZA705301B ZA 705301 B ZA705301 B ZA 705301B ZA 705301 A ZA705301 A ZA 705301A ZA 705301 B ZA705301 B ZA 705301B
Authority
ZA
South Africa
Prior art keywords
microfilm reader
microfilm
reader
Prior art date
Application number
ZA705301*A
Other languages
English (en)
Inventor
A Peters
L Miles
Original Assignee
Ncr
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 filed Critical Ncr
Publication of ZA705301B publication Critical patent/ZA705301B/xx

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)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Lenses (AREA)
ZA705301*A 1969-08-21 1970-07-31 Microfilm reader ZA705301B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85185869A 1969-08-21 1969-08-21

Publications (1)

Publication Number Publication Date
ZA705301B true ZA705301B (en) 1971-04-28

Family

ID=25311894

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA705301*A ZA705301B (en) 1969-08-21 1970-07-31 Microfilm reader

Country Status (11)

Country Link
US (1) US3634005A (xx)
BE (1) BE755081A (xx)
CA (1) CA935311A (xx)
CH (1) CH513422A (xx)
DE (1) DE2041335C3 (xx)
DK (1) DK123190B (xx)
ES (1) ES382914A1 (xx)
FR (1) FR2056820A5 (xx)
GB (1) GB1288669A (xx)
SE (1) SE361096B (xx)
ZA (1) ZA705301B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050799A (en) * 1975-03-31 1977-09-27 Bell & Howell Company Microform reader
US4111537A (en) * 1975-10-14 1978-09-05 Bell & Howell Company Optical structure for microfiche reader
DE2654320A1 (de) * 1976-07-22 1978-06-01 Agfa Gevaert Ag Mikrofilmlesegeraet
US4268135A (en) * 1979-09-27 1981-05-19 Bell & Howell Company Image focusing apparatus
DE3439254A1 (de) * 1984-10-26 1986-04-30 MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen Objektivhalterung
DE3608224A1 (de) * 1986-03-12 1987-09-24 Poehler Microfilm App Map Objektivhalter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT138160B (de) * 1933-01-10 1934-07-10 Johann Selbitschka Verfahren und Apparate zum Schrägwiedergeben, zum Schrägaufnehmen und zur Vergrößerung des Gesichtsfeldes in optischen Instrumenten.
FR1064435A (fr) * 1952-10-15 1954-05-13 Perfectionnement aux projecteurs cinématographiques et autres
US3224326A (en) * 1962-06-08 1965-12-21 Dietzgen Co Eugene Projector viewer
US3424524A (en) * 1966-05-31 1969-01-28 Ncr Co Micro-image display apparatus

Also Published As

Publication number Publication date
DK123190B (da) 1972-05-23
BE755081A (fr) 1971-02-01
DE2041335A1 (de) 1971-03-18
CH513422A (de) 1971-09-30
DE2041335C3 (de) 1979-03-15
ES382914A1 (es) 1972-12-16
CA935311A (en) 1973-10-16
GB1288669A (xx) 1972-09-13
SE361096B (xx) 1973-10-15
US3634005A (en) 1972-01-11
DE2041335B2 (de) 1973-05-03
FR2056820A5 (xx) 1971-05-14

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