IT1056609B - Dispositivo per l osservazione di pelliole cinematografiche a passo ridotto - Google Patents

Dispositivo per l osservazione di pelliole cinematografiche a passo ridotto

Info

Publication number
IT1056609B
IT1056609B IT1245376A IT1245376A IT1056609B IT 1056609 B IT1056609 B IT 1056609B IT 1245376 A IT1245376 A IT 1245376A IT 1245376 A IT1245376 A IT 1245376A IT 1056609 B IT1056609 B IT 1056609B
Authority
IT
Italy
Prior art keywords
pit
reduced
observation device
cinematographic film
film observation
Prior art date
Application number
IT1245376A
Other languages
English (en)
Italian (it)
Original Assignee
Vredeborch Gmbh
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 Vredeborch Gmbh filed Critical Vredeborch Gmbh
Application granted granted Critical
Publication of IT1056609B publication Critical patent/IT1056609B/it

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
    • 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
    • G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
    • G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
    • G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
    • G03B41/08—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating transmitting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Overhead Projectors And Projection Screens (AREA)
IT1245376A 1975-02-06 1976-02-04 Dispositivo per l osservazione di pelliole cinematografiche a passo ridotto IT1056609B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752504913 DE2504913C3 (de) 1975-02-06 1975-02-06 Vorrichtung zum Betrachten von Schmalfilmen

Publications (1)

Publication Number Publication Date
IT1056609B true IT1056609B (it) 1982-02-20

Family

ID=5938204

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1245376A IT1056609B (it) 1975-02-06 1976-02-04 Dispositivo per l osservazione di pelliole cinematografiche a passo ridotto

Country Status (6)

Country Link
JP (1) JPS51106435A (enExample)
DE (1) DE2504913C3 (enExample)
ES (1) ES444923A1 (enExample)
FR (1) FR2300352A1 (enExample)
IE (1) IE43781B1 (enExample)
IT (1) IT1056609B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561740A (en) * 1984-06-06 1985-12-31 Minnesota Mining And Manufacturing Company Dual-magnification rear projection lectern
CN1802602A (zh) * 2003-06-12 2006-07-12 皇家飞利浦电子股份有限公司 用于将图像投射到不同投影面的设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729141A (en) * 1953-05-11 1956-01-03 Joseph B Walker Image superimposition projection devices
US3178996A (en) * 1961-02-10 1965-04-20 Evan J Anton Optical projection system with negative diopter magnifying lens
US3834798A (en) * 1972-12-20 1974-09-10 W Goddard Viewing screen for motion picture projectors

Also Published As

Publication number Publication date
FR2300352B1 (enExample) 1980-04-25
ES444923A1 (es) 1977-05-01
DE2504913B2 (de) 1980-06-26
DE2504913C3 (de) 1981-03-12
FR2300352A1 (fr) 1976-09-03
DE2504913A1 (de) 1976-08-19
IE43781B1 (en) 1981-05-20
JPS51106435A (ja) 1976-09-21
IE43781L (en) 1976-08-06

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