FR2235530B1 - - Google Patents

Info

Publication number
FR2235530B1
FR2235530B1 FR7420444A FR7420444A FR2235530B1 FR 2235530 B1 FR2235530 B1 FR 2235530B1 FR 7420444 A FR7420444 A FR 7420444A FR 7420444 A FR7420444 A FR 7420444A FR 2235530 B1 FR2235530 B1 FR 2235530B1
Authority
FR
France
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
FR7420444A
Other languages
French (fr)
Other versions
FR2235530A1 (ja
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 FR2235530A1 publication Critical patent/FR2235530A1/fr
Application granted granted Critical
Publication of FR2235530B1 publication Critical patent/FR2235530B1/fr
Expired 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)
FR7420444A 1973-06-28 1974-06-13 Expired FR2235530B1 (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2235530A1 FR2235530A1 (ja) 1975-01-24
FR2235530B1 true FR2235530B1 (ja) 1980-11-14

Family

ID=23477627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420444A Expired FR2235530B1 (ja) 1973-06-28 1974-06-13

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
JPS5746536B2 (ja) 1982-10-04
CA1028025A (en) 1978-03-14
IT1013343B (it) 1977-03-30
FR2235530A1 (ja) 1975-01-24
AU7016474A (en) 1975-12-18
JPS5038535A (ja) 1975-04-10
DE2428154A1 (de) 1975-01-16
AT347261B (de) 1978-12-27
GB1463085A (en) 1977-02-02
ATA503374A (de) 1978-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse