IT1052780B - Perfezionamento nei sistemi di raffreddamento per proiettori cinematografici - Google Patents

Perfezionamento nei sistemi di raffreddamento per proiettori cinematografici

Info

Publication number
IT1052780B
IT1052780B IT52935/75A IT5293575A IT1052780B IT 1052780 B IT1052780 B IT 1052780B IT 52935/75 A IT52935/75 A IT 52935/75A IT 5293575 A IT5293575 A IT 5293575A IT 1052780 B IT1052780 B IT 1052780B
Authority
IT
Italy
Prior art keywords
improvement
cooling systems
cinematographic projectors
cinematographic
projectors
Prior art date
Application number
IT52935/75A
Other languages
English (en)
Italian (it)
Original Assignee
Bell & 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 & Howell Co filed Critical Bell & Howell Co
Application granted granted Critical
Publication of IT1052780B publication Critical patent/IT1052780B/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
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
IT52935/75A 1975-01-09 1975-12-31 Perfezionamento nei sistemi di raffreddamento per proiettori cinematografici IT1052780B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/539,775 US3984180A (en) 1975-01-09 1975-01-09 Cooling system for an audio visual device

Publications (1)

Publication Number Publication Date
IT1052780B true IT1052780B (it) 1981-07-20

Family

ID=24152589

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52935/75A IT1052780B (it) 1975-01-09 1975-12-31 Perfezionamento nei sistemi di raffreddamento per proiettori cinematografici

Country Status (5)

Country Link
US (1) US3984180A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6018056B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2600265A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1477986A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1052780B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8414779U1 (de) * 1984-05-15 1985-06-20 de-es Feinwerk Präzisionsgeräte GmbH, 3300 Braunschweig Magazin - Stehbildwerfer
US5316897A (en) * 1989-01-05 1994-05-31 Tamglass Oy Method and system for applying a marking to a substrate, particularly a painted border adjacent to and around a windshield plate
DE19806491B4 (de) * 1998-02-17 2004-02-05 Ramigé, Jean Claude Filmvorführanlage
US20070176685A1 (en) * 2003-07-02 2007-08-02 Arlen Barksdale Extremely low noise V-band amplifier
CA2629493A1 (en) * 2008-04-18 2009-10-18 Mabe Canada Inc. Clothes dryer with louvre cover

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135500A (en) * 1932-05-26 1938-11-08 Kinatome Patents Corp Film handling apparatus
US2449713A (en) * 1945-06-14 1948-09-21 Curtis Helene Ind Inc Cooling system for portable motionpicture projectors
US3408138A (en) * 1966-08-04 1968-10-29 Inflight Motion Pictures Inc Cooling apparatus for motion picture projector

Also Published As

Publication number Publication date
GB1477986A (en) 1977-06-29
JPS5195846A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-23
DE2600265A1 (de) 1976-07-15
JPS6018056B2 (ja) 1985-05-08
US3984180A (en) 1976-10-05

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