DE1924839B2 - Projektionsgeraet - Google Patents

Projektionsgeraet

Info

Publication number
DE1924839B2
DE1924839B2 DE19691924839 DE1924839A DE1924839B2 DE 1924839 B2 DE1924839 B2 DE 1924839B2 DE 19691924839 DE19691924839 DE 19691924839 DE 1924839 A DE1924839 A DE 1924839A DE 1924839 B2 DE1924839 B2 DE 1924839B2
Authority
DE
Germany
Prior art keywords
projection device
projection
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.)
Withdrawn
Application number
DE19691924839
Other languages
English (en)
Other versions
DE1924839A1 (de
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 filed Critical
Publication of DE1924839A1 publication Critical patent/DE1924839A1/de
Publication of DE1924839B2 publication Critical patent/DE1924839B2/de
Withdrawn legal-status Critical Current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
    • 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
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Lenses (AREA)
  • Automatic Focus Adjustment (AREA)
DE19691924839 1968-05-20 1969-05-16 Projektionsgeraet Withdrawn DE1924839B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73031668A 1968-05-20 1968-05-20

Publications (2)

Publication Number Publication Date
DE1924839A1 DE1924839A1 (de) 1970-02-05
DE1924839B2 true DE1924839B2 (de) 1971-03-25

Family

ID=24934820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691924839 Withdrawn DE1924839B2 (de) 1968-05-20 1969-05-16 Projektionsgeraet

Country Status (5)

Country Link
US (1) US3604795A (de)
JP (1) JPS5130460B1 (de)
DE (1) DE1924839B2 (de)
FR (1) FR2008909A1 (de)
GB (1) GB1268403A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717400A (en) * 1971-02-25 1973-02-20 Ncr Microform viewer lens focusing mechanism
US3860333A (en) * 1972-03-20 1975-01-14 Realist Microfiche reader
US3888576A (en) * 1972-08-07 1975-06-10 Francis Bolgar Film projectors
US3947188A (en) * 1974-11-11 1976-03-30 Xerox Corporation Variable conjugate optical system
US3992097A (en) * 1975-05-16 1976-11-16 Pako Corporation Mounting device for printing copying camera
US4319836A (en) * 1978-12-19 1982-03-16 Canon Kabushiki Kaisha Optical device of a copying apparatus
US6324021B1 (en) 1999-09-09 2001-11-27 Lorvel J. Shields Focusing system
KR102345114B1 (ko) * 2020-03-13 2021-12-30 삼성전기주식회사 카메라 모듈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2204709A (en) * 1938-03-24 1940-06-18 Walter E Straubel Proportional picture variator
US2746344A (en) * 1951-09-21 1956-05-22 Diebold Inc Microfilm reader
US3181416A (en) * 1961-04-27 1965-05-04 Minnesota Mining & Mfg Auto-focus viewing and reproducing apparatus

Also Published As

Publication number Publication date
DE1924839A1 (de) 1970-02-05
US3604795A (en) 1971-09-14
JPS5130460B1 (de) 1976-09-01
GB1268403A (en) 1972-03-29
FR2008909A1 (de) 1970-01-30

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee