IT1013343B - Perfezionamento nei sistemi a fium sonoro - Google Patents

Perfezionamento nei sistemi a fium sonoro

Info

Publication number
IT1013343B
IT1013343B IT51350/74A IT5135074A IT1013343B IT 1013343 B IT1013343 B IT 1013343B IT 51350/74 A IT51350/74 A IT 51350/74A IT 5135074 A IT5135074 A IT 5135074A IT 1013343 B IT1013343 B IT 1013343B
Authority
IT
Italy
Prior art keywords
sound
improvement
river systems
river
systems
Prior art date
Application number
IT51350/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1013343B publication Critical patent/IT1013343B/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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Ac Motors In General (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
IT51350/74A 1973-06-28 1974-06-03 Perfezionamento nei sistemi a fium sonoro IT1013343B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1013343B true IT1013343B (it) 1977-03-30

Family

ID=23477627

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51350/74A IT1013343B (it) 1973-06-28 1974-06-03 Perfezionamento nei sistemi a fium sonoro

Country Status (7)

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

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
AT347261B (de) 1978-12-27
JPS5746536B2 (it) 1982-10-04
AU7016474A (en) 1975-12-18
GB1463085A (en) 1977-02-02
JPS5038535A (it) 1975-04-10
CA1028025A (en) 1978-03-14
FR2235530B1 (it) 1980-11-14
FR2235530A1 (it) 1975-01-24
DE2428154A1 (de) 1975-01-16
ATA503374A (de) 1978-04-15

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