NL7108437A - - Google Patents

Info

Publication number
NL7108437A
NL7108437A NL7108437A NL7108437A NL7108437A NL 7108437 A NL7108437 A NL 7108437A NL 7108437 A NL7108437 A NL 7108437A NL 7108437 A NL7108437 A NL 7108437A NL 7108437 A NL7108437 A NL 7108437A
Authority
NL
Netherlands
Application number
NL7108437A
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
Priority claimed from AT574070A external-priority patent/AT310564B/en
Priority claimed from AT633870A external-priority patent/AT301696B/en
Priority claimed from AT633770A external-priority patent/AT336079B/en
Priority claimed from AT1016670A external-priority patent/AT323560B/en
Application filed filed Critical
Publication of NL7108437A publication Critical patent/NL7108437A/xx

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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature 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
    • G03B31/04—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is not on, but is synchronised with, 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/2805—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
NL7108437A 1970-06-25 1971-06-18 NL7108437A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT574070A AT310564B (en) 1970-06-25 1970-06-25 Method and device for synchronizing the drives of a tape and a film
AT633870A AT301696B (en) 1970-07-10 1970-07-10 Transistor motor control circuit
AT633770A AT336079B (en) 1970-07-10 1970-07-10 SCHMITT TRIGGER WITH SMALL HYSTERESIS WIDTH
AT1016670A AT323560B (en) 1970-11-11 1970-11-11 RECORDING OR PLAYBACK DEVICE

Publications (1)

Publication Number Publication Date
NL7108437A true NL7108437A (en) 1971-12-28

Family

ID=27422134

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7108437A NL7108437A (en) 1970-06-25 1971-06-18

Country Status (5)

Country Link
US (1) US3722987A (en)
CA (1) CA962750A (en)
DE (1) DE2124945B2 (en)
FR (1) FR2099937A5 (en)
NL (1) NL7108437A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900251A (en) * 1974-03-29 1975-08-19 Super 8 Sound Inc Synchronizer system for a motion picture sound recorder
US4319812A (en) * 1976-03-08 1982-03-16 Technicolor Corporation Audio-visual systems and methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679187A (en) * 1951-01-16 1954-05-25 Rca Corp Synchronization of separate picture and sound films
US3266862A (en) * 1964-02-25 1966-08-16 Robert G Wagoner Projector synchronizer
US3441342A (en) * 1965-03-29 1969-04-29 Rca Corp Frequency and phase error detection means for synchronization systems
US3583796A (en) * 1968-11-05 1971-06-08 Synchronex Corp Synchronization of pre-recorded audio tape signals of motion picture film
US3588558A (en) * 1969-12-30 1971-06-28 Bell & Howell Co Magnetic clutch projector drive system

Also Published As

Publication number Publication date
US3722987A (en) 1973-03-27
FR2099937A5 (en) 1972-03-17
CA962750A (en) 1975-02-11
DE2124945B2 (en) 1978-01-26
DE2124945A1 (en) 1972-01-13
DE2124945C3 (en) 1978-10-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed