IT1047980B - Dispositivo a griffa per l avanzamento di un supporto perforato di registrazione particolarmente per proiettori cineatografici - Google Patents

Dispositivo a griffa per l avanzamento di un supporto perforato di registrazione particolarmente per proiettori cineatografici

Info

Publication number
IT1047980B
IT1047980B IT69227/75A IT6922775A IT1047980B IT 1047980 B IT1047980 B IT 1047980B IT 69227/75 A IT69227/75 A IT 69227/75A IT 6922775 A IT6922775 A IT 6922775A IT 1047980 B IT1047980 B IT 1047980B
Authority
IT
Italy
Prior art keywords
griffa
advance
recording support
film projectors
perforated recording
Prior art date
Application number
IT69227/75A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1047980B publication Critical patent/IT1047980B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
    • H02P3/10—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by reversal of supply connections
    • 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
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/20—Acting means
    • G03B1/22—Claws or pins engaging holes in the film
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
    • H02P7/05—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of electronic switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Advancing Webs (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
IT69227/75A 1974-09-10 1975-09-05 Dispositivo a griffa per l avanzamento di un supporto perforato di registrazione particolarmente per proiettori cineatografici IT1047980B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7411986A NL7411986A (nl) 1974-09-10 1974-09-10 Grijpermechanisme.

Publications (1)

Publication Number Publication Date
IT1047980B true IT1047980B (it) 1980-10-20

Family

ID=19822066

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69227/75A IT1047980B (it) 1974-09-10 1975-09-05 Dispositivo a griffa per l avanzamento di un supporto perforato di registrazione particolarmente per proiettori cineatografici

Country Status (13)

Country Link
US (1) US4003647A (it)
JP (2) JPS5153824A (it)
AT (1) AT348333B (it)
BE (1) BE833280A (it)
CA (1) CA1032973A (it)
CH (1) CH591098A5 (it)
DE (1) DE2538274C3 (it)
ES (1) ES440792A1 (it)
FR (1) FR2284898A1 (it)
GB (1) GB1526074A (it)
IT (1) IT1047980B (it)
NL (1) NL7411986A (it)
SE (1) SE7509927L (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817114Y2 (ja) * 1978-04-05 1983-04-06 株式会社ソリツク 自動扉の電源スイツチ取付装置
SE441347B (sv) * 1984-02-17 1985-09-30 Ericsson Telefon Ab L M Traktormekanism for skrivare
DE10229380B4 (de) * 2002-06-26 2004-05-13 Arnold & Richter Cine Technik Gmbh & Co Betriebs Kg Filmschaltwerk in einer Laufbild-Filmaufnahmekamera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6901273A (it) * 1969-01-24 1970-07-28
US3671113A (en) * 1971-03-15 1972-06-20 Eastman Kodak Co Film feeding mechanism for motion picture projectors
US3702730A (en) * 1971-04-12 1972-11-14 Eastman Kodak Co Electronically controlled variable rate film feeding mechanism for motion picture projectors
US3797924A (en) * 1972-10-03 1974-03-19 Eastman Kodak Co Film feeding mechanism for motion picture projectors

Also Published As

Publication number Publication date
US4003647A (en) 1977-01-18
SE7509927L (sv) 1976-03-11
DE2538274C3 (de) 1978-05-18
JPS5611065Y2 (it) 1981-03-12
DE2538274B2 (de) 1977-09-29
JPS5284835U (it) 1977-06-24
FR2284898B3 (it) 1978-04-28
NL7411986A (nl) 1976-03-12
ATA691875A (de) 1978-06-15
AT348333B (de) 1979-02-12
CH591098A5 (it) 1977-09-15
CA1032973A (en) 1978-06-13
ES440792A1 (es) 1977-04-01
FR2284898A1 (fr) 1976-04-09
BE833280A (fr) 1976-03-10
DE2538274A1 (de) 1976-03-25
JPS5153824A (it) 1976-05-12
GB1526074A (en) 1978-09-27

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