IT1057971B - Perfezionamento neu meccanismi di commando per proiettori conematogrfici - Google Patents

Perfezionamento neu meccanismi di commando per proiettori conematogrfici

Info

Publication number
IT1057971B
IT1057971B IT48535/76A IT4853576A IT1057971B IT 1057971 B IT1057971 B IT 1057971B IT 48535/76 A IT48535/76 A IT 48535/76A IT 4853576 A IT4853576 A IT 4853576A IT 1057971 B IT1057971 B IT 1057971B
Authority
IT
Italy
Prior art keywords
conematographic
projectors
improvement
new command
command mechanisms
Prior art date
Application number
IT48535/76A
Other languages
English (en)
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 IT1057971B publication Critical patent/IT1057971B/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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Toys (AREA)
  • Mechanical Operated Clutches (AREA)
  • Transmission Devices (AREA)
IT48535/76A 1975-03-13 1976-03-11 Perfezionamento neu meccanismi di commando per proiettori conematogrfici IT1057971B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/557,862 US3952969A (en) 1975-03-13 1975-03-13 Drive control mechanism for motion picture projector

Publications (1)

Publication Number Publication Date
IT1057971B true IT1057971B (it) 1982-03-30

Family

ID=24227172

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48535/76A IT1057971B (it) 1975-03-13 1976-03-11 Perfezionamento neu meccanismi di commando per proiettori conematogrfici

Country Status (5)

Country Link
US (1) US3952969A (it)
JP (1) JPS51133020A (it)
DE (1) DE2609740A1 (it)
GB (1) GB1491834A (it)
IT (1) IT1057971B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143951A (en) * 1975-12-27 1979-03-13 Canon Kabushiki Kaisha Cine-projector
US4101097A (en) * 1977-02-18 1978-07-18 Bell & Howell Company Drive control apparatus for motion picture projector
GB2267940B (en) * 1992-06-20 1995-07-19 David Benjamin Hirons Gear engagement assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240550A (en) * 1962-08-20 1966-03-15 Eastman Kodak Co Motion picture apparatus with automatic rewind
GB1321868A (en) * 1969-09-29 1973-07-04 Ricoh Kk Web transfer apparatus
JPS50929B1 (it) * 1969-10-04 1975-01-13
US3857633A (en) * 1973-07-25 1974-12-31 Eastman Kodak Co Projector function control mechanism

Also Published As

Publication number Publication date
GB1491834A (en) 1977-11-16
DE2609740A1 (de) 1976-09-23
JPS51133020A (en) 1976-11-18
US3952969A (en) 1976-04-27

Similar Documents

Publication Publication Date Title
JPS5322417A (en) Projector
HK23285A (en) Adjustable-height baseboard for partitions
AU1718476A (en) Telvision projector
JPS5288022A (en) Slide projector
JPS51117030A (en) Compact projector
JPS5240135A (en) Microfilm projector
SE7513093L (sv) Forseljningsautomat for tidningar, tidskrifter och dylikt
IL53329A0 (en) Projector
IT1057971B (it) Perfezionamento neu meccanismi di commando per proiettori conematogrfici
GB1555507A (en) Slides
ZA765770B (en) Optical structure for microfiche reader
NL7502255A (nl) Uittrektafel.
CA950720A (en) Slide projector
CA959681A (en) Slide projector
IE45662L (en) Slide projector
IT1043418B (it) Perfezinamenti ai proiettori
HK38479A (en) Slide projector
HK12378A (en) Slide projector
ES216746Y (es) Paneles para tabiques.
SU519527A1 (ru) Запор дл двух створок
GB1491951A (en) Projectors for slides
IT1052069B (it) Caricatore per film
JPS51126139A (en) Cine cassette projector
AR203507A1 (es) Composicion testigo para hemoglobinometria
BR7508569A (pt) Guia aperfeicoado para gavetas