DE1572585A1 - Vorrichtung zur Aufrechterhaltung der Scharfeinstellung eines Dia-Projektors - Google Patents

Vorrichtung zur Aufrechterhaltung der Scharfeinstellung eines Dia-Projektors

Info

Publication number
DE1572585A1
DE1572585A1 DE19671572585 DE1572585A DE1572585A1 DE 1572585 A1 DE1572585 A1 DE 1572585A1 DE 19671572585 DE19671572585 DE 19671572585 DE 1572585 A DE1572585 A DE 1572585A DE 1572585 A1 DE1572585 A1 DE 1572585A1
Authority
DE
Germany
Prior art keywords
slide
lens
projection
projector
film
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.)
Pending
Application number
DE19671572585
Other languages
German (de)
English (en)
Other versions
DE1572585B2 (enExample
Inventor
Badalich Frank C
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.)
Bell and Howell Co
Original Assignee
Bell and Howell 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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of DE1572585A1 publication Critical patent/DE1572585A1/de
Publication of DE1572585B2 publication Critical patent/DE1572585B2/de
Pending 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
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
DE19671572585 1966-09-28 1967-08-24 Vorrichtung zur Aufrechterhaltung der Scharfeinstellung eines Dia-Projektors Pending DE1572585A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582714A US3416859A (en) 1966-09-28 1966-09-28 Mechanical focus maintaining apparatus for a slide projector

Publications (2)

Publication Number Publication Date
DE1572585A1 true DE1572585A1 (de) 1970-03-05
DE1572585B2 DE1572585B2 (enExample) 1971-04-29

Family

ID=24330235

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671572585 Pending DE1572585A1 (de) 1966-09-28 1967-08-24 Vorrichtung zur Aufrechterhaltung der Scharfeinstellung eines Dia-Projektors

Country Status (4)

Country Link
US (1) US3416859A (enExample)
AT (1) AT291625B (enExample)
DE (1) DE1572585A1 (enExample)
GB (1) GB1133409A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2743757A1 (de) * 1977-09-29 1979-04-12 Agfa Gevaert Ag Diaprojektor
DE19627598A1 (de) * 1996-07-09 1998-01-15 Markus Michelberger Diaprojektor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627787A (en) * 1984-03-22 1986-12-09 Thomson Components-Mostek Corporation Chip selection in automatic assembly of integrated circuit
US4575230A (en) * 1985-03-21 1986-03-11 Eastman Kodak Company Transparent contoured support plate for film
US4743109A (en) * 1987-09-04 1988-05-10 Eastman Kodak Company Slide projector with automatic slide warpage compensation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA553197A (en) * 1958-02-11 Ernst Leitz G.M.B.H. Mechanism for use in projectors
US1636647A (en) * 1924-01-18 1927-07-19 Bausch & Lomb Projection apparatus
US3301129A (en) * 1965-01-25 1967-01-31 Bell & Howell Co Mechanical focus maintaining apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2743757A1 (de) * 1977-09-29 1979-04-12 Agfa Gevaert Ag Diaprojektor
DE19627598A1 (de) * 1996-07-09 1998-01-15 Markus Michelberger Diaprojektor

Also Published As

Publication number Publication date
DE1572585B2 (enExample) 1971-04-29
GB1133409A (en) 1968-11-13
AT291625B (de) 1971-07-26
US3416859A (en) 1968-12-17

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