CA995790A - Variable precision film drive - Google Patents

Variable precision film drive

Info

Publication number
CA995790A
CA995790A CA154,136A CA154136A CA995790A CA 995790 A CA995790 A CA 995790A CA 154136 A CA154136 A CA 154136A CA 995790 A CA995790 A CA 995790A
Authority
CA
Canada
Prior art keywords
film drive
variable precision
precision film
variable
drive
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.)
Expired
Application number
CA154,136A
Other languages
English (en)
Other versions
CA154136S (en
Inventor
Andrew L. Amort
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA995790A publication Critical patent/CA995790A/en
Expired 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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Projection-Type Copiers In General (AREA)
  • Mechanical Control Devices (AREA)
CA154,136A 1971-10-18 1972-10-12 Variable precision film drive Expired CA995790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18998971A 1971-10-18 1971-10-18

Publications (1)

Publication Number Publication Date
CA995790A true CA995790A (en) 1976-08-24

Family

ID=22699605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,136A Expired CA995790A (en) 1971-10-18 1972-10-12 Variable precision film drive

Country Status (14)

Country Link
US (1) US3711002A (pt)
JP (1) JPS5240864B2 (pt)
AR (1) AR196205A1 (pt)
AU (1) AU467461B2 (pt)
BE (1) BE790233A (pt)
BR (1) BR7207293D0 (pt)
CA (1) CA995790A (pt)
DE (1) DE2251064A1 (pt)
FR (1) FR2157572A5 (pt)
GB (1) GB1396897A (pt)
IT (1) IT969012B (pt)
NL (1) NL7214064A (pt)
SE (1) SE384585B (pt)
ZA (1) ZA727384B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57109922A (en) * 1980-12-26 1982-07-08 Olympus Optical Co Ltd Film advancing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338488A (en) * 1964-08-06 1967-08-29 Beattie Coleman Inc Automatic photographic easel
US3369449A (en) * 1965-04-12 1968-02-20 Eastman Kodak Co Web driving mechanism
US3460732A (en) * 1967-03-06 1969-08-12 Prestige Photo Products Inc Contact printer and paper drive therefor

Also Published As

Publication number Publication date
AR196205A1 (es) 1973-12-10
JPS4849845A (pt) 1973-07-13
FR2157572A5 (pt) 1973-06-01
AU4785772A (en) 1974-04-26
BE790233A (fr) 1973-04-18
AU467461B2 (en) 1975-12-04
GB1396897A (en) 1975-06-11
BR7207293D0 (pt) 1973-09-27
SE384585B (sv) 1976-05-10
ZA727384B (en) 1973-08-29
US3711002A (en) 1973-01-16
JPS5240864B2 (pt) 1977-10-14
NL7214064A (pt) 1973-04-24
DE2251064A1 (de) 1973-04-26
IT969012B (it) 1974-03-30

Similar Documents

Publication Publication Date Title
CA946967A (en) Thin film ring lasers
CA990036A (en) Thin film process
CA976022A (en) Photographic films exhibiting increased speed
CA973788A (en) Laminated plastic film
CA997186A (en) Photographic film unit
CA973002A (en) Photographic film unit
CA995790A (en) Variable precision film drive
CA965764A (en) Film cartridge
CA967133A (en) Film cartridge
CA978788A (en) Film unit
CA960894A (en) Film unit
CA880848A (en) Polymeric film
AU4568872A (en) Drive mechanisms
CA977200A (en) Photographic film unit
CA885901A (en) Collagen film manufacture
CA878844A (en) Angle drive
CA918263A (en) Thin film capacitors
CA887850A (en) Film drive system
CA862303A (en) Thin film resistors
CA990117A (en) Film unit
CA885087A (en) Thin film capacitor
CA864706A (en) Beam-leaded thin film capacitor
AU2951171A (en) Variable speed ratio drive mechanism
AU448622B2 (en) Variable speed drive
CA882435A (en) Continuously variable drive