DE2428154A1 - Tonfilm-transportgeschwindigkeitssteuereinrichtung - Google Patents

Tonfilm-transportgeschwindigkeitssteuereinrichtung

Info

Publication number
DE2428154A1
DE2428154A1 DE19742428154 DE2428154A DE2428154A1 DE 2428154 A1 DE2428154 A1 DE 2428154A1 DE 19742428154 DE19742428154 DE 19742428154 DE 2428154 A DE2428154 A DE 2428154A DE 2428154 A1 DE2428154 A1 DE 2428154A1
Authority
DE
Germany
Prior art keywords
film
winding
voltage
motor
speed
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.)
Ceased
Application number
DE19742428154
Other languages
German (de)
English (en)
Inventor
Thomas Alfred Otto Gross
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Publication of DE2428154A1 publication Critical patent/DE2428154A1/de
Ceased legal-status Critical Current

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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/10—Controlling by adding a dc current
    • 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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • 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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture 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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
    • H02P5/48—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing mechanical values representing the speeds
    • H02P5/485—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing mechanical values representing the speeds using differential movement of the two motors, e.g. using differential gearboxes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
DE19742428154 1973-06-28 1974-06-11 Tonfilm-transportgeschwindigkeitssteuereinrichtung Ceased DE2428154A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37463873A 1973-06-28 1973-06-28

Publications (1)

Publication Number Publication Date
DE2428154A1 true DE2428154A1 (de) 1975-01-16

Family

ID=23477627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742428154 Ceased DE2428154A1 (de) 1973-06-28 1974-06-11 Tonfilm-transportgeschwindigkeitssteuereinrichtung

Country Status (7)

Country Link
JP (1) JPS5746536B2 (ja)
AT (1) AT347261B (ja)
CA (1) CA1028025A (ja)
DE (1) DE2428154A1 (ja)
FR (1) FR2235530B1 (ja)
GB (1) GB1463085A (ja)
IT (1) IT1013343B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666561A5 (de) * 1983-10-12 1988-07-29 Prontophot Holding Ag Einrichtung zum belichten von randlosen fotografischen kopien unterschiedlicher bildformate.
JPH1138527A (ja) * 1993-09-24 1999-02-12 Sony Corp 映写機用デジタルサウンド信号再生装置

Also Published As

Publication number Publication date
IT1013343B (it) 1977-03-30
JPS5038535A (ja) 1975-04-10
GB1463085A (en) 1977-02-02
CA1028025A (en) 1978-03-14
JPS5746536B2 (ja) 1982-10-04
AU7016474A (en) 1975-12-18
FR2235530A1 (ja) 1975-01-24
FR2235530B1 (ja) 1980-11-14
ATA503374A (de) 1978-04-15
AT347261B (de) 1978-12-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection