CA962750A - Automatic synchronization of two strip drives - Google Patents

Automatic synchronization of two strip drives

Info

Publication number
CA962750A
CA962750A CA116,688A CA116688A CA962750A CA 962750 A CA962750 A CA 962750A CA 116688 A CA116688 A CA 116688A CA 962750 A CA962750 A CA 962750A
Authority
CA
Canada
Prior art keywords
automatic synchronization
strip drives
strip
drives
synchronization
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.)
Expired
Application number
CA116,688A
Other versions
CA116688S (en
Inventor
Gottfried Pammer
Robert Scheiber
Heinrich Cap
Edgar Miesbichler
Josef Drasch
Harald Wessner
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of CA962750A publication Critical patent/CA962750A/en
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
    • 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
CA116,688A 1970-06-25 1971-06-25 Automatic synchronization of two strip drives Expired CA962750A (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
CA962750A true CA962750A (en) 1975-02-11

Family

ID=27422134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116,688A Expired CA962750A (en) 1970-06-25 1971-06-25 Automatic synchronization of two strip drives

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
NL7108437A (en) 1971-12-28
DE2124945B2 (en) 1978-01-26
DE2124945A1 (en) 1972-01-13
DE2124945C3 (en) 1978-10-05

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