GB1158267A - Improvements in the System for Controlling the Take-up Reel in Cinematographic Apparatus. - Google Patents

Improvements in the System for Controlling the Take-up Reel in Cinematographic Apparatus.

Info

Publication number
GB1158267A
GB1158267A GB4693966A GB4693966A GB1158267A GB 1158267 A GB1158267 A GB 1158267A GB 4693966 A GB4693966 A GB 4693966A GB 4693966 A GB4693966 A GB 4693966A GB 1158267 A GB1158267 A GB 1158267A
Authority
GB
United Kingdom
Prior art keywords
magnetic
section
ring
spool
take
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
GB4693966A
Other languages
English (en)
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.)
S I F INTERNAZ FONOVIS Soc
Original Assignee
S I F INTERNAZ FONOVIS Soc
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 S I F INTERNAZ FONOVIS Soc filed Critical S I F INTERNAZ FONOVIS Soc
Publication of GB1158267A publication Critical patent/GB1158267A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/06—Dynamo-electric clutches; Dynamo-electric brakes of the synchronous type
    • H02K49/065—Dynamo-electric clutches; Dynamo-electric brakes of the synchronous type hysteresis type
    • 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
    • G03B1/00—Film strip handling
    • G03B1/40—Film strip handling embodying frictional coupling or clutches
    • 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
    • G03B21/321—Holders for films, e.g. reels, cassettes, spindles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
    • B65H2403/724—Clutches, brakes, e.g. one-way clutch +F204 electromagnetic clutches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Unwinding Webs (AREA)
GB4693966A 1965-10-26 1966-10-20 Improvements in the System for Controlling the Take-up Reel in Cinematographic Apparatus. Expired GB1158267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2397265 1965-10-26

Publications (1)

Publication Number Publication Date
GB1158267A true GB1158267A (en) 1969-07-16

Family

ID=11211229

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4693966A Expired GB1158267A (en) 1965-10-26 1966-10-20 Improvements in the System for Controlling the Take-up Reel in Cinematographic Apparatus.

Country Status (3)

Country Link
CH (1) CH445287A (enExample)
GB (1) GB1158267A (enExample)
NL (1) NL6615066A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597666A3 (en) * 1992-11-09 1995-10-25 Sony Corp Tape driver.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597666A3 (en) * 1992-11-09 1995-10-25 Sony Corp Tape driver.

Also Published As

Publication number Publication date
NL6615066A (enExample) 1967-04-27
CH445287A (it) 1967-10-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees