GB332924A - Improvements in or relating to the synchronous control of independently driven machines - Google Patents

Improvements in or relating to the synchronous control of independently driven machines

Info

Publication number
GB332924A
GB332924A GB1343629A GB1343629A GB332924A GB 332924 A GB332924 A GB 332924A GB 1343629 A GB1343629 A GB 1343629A GB 1343629 A GB1343629 A GB 1343629A GB 332924 A GB332924 A GB 332924A
Authority
GB
United Kingdom
Prior art keywords
motor
distributors
brush
segments
over
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
GB1343629A
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
Application filed by Individual filed Critical Individual
Priority to GB1343629A priority Critical patent/GB332924A/en
Publication of GB332924A publication Critical patent/GB332924A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

332,924. Hedinger, F. H. April 30, 1929. Gramophones associated with kinematographs. - Synchronous control of motors driving a cinematograph projector and a gramophone is achieved by the governing motor T, Fig. 4, rotating a brush 30 over distributor segments 27, and the governed motor P, which tends to run slightly faster, rotating a brush 12 over segments 9. When synchronism is destroyed, relay S opens and inserts resistance in series with motor P to slow it down. At starting, motor T may be run slowly with a diverter resistance r, which is removed by a relay controlled by the two distributors as soon as phase coincidence is obtained, at which time relay S also closes and motor P starts. One of the distributors is shown in Fig. 1. The shaft 3 drives a gear train 15, 16, 17, and rotates the brush 12 over the segments 9 fixed to the stationary casing 5. The other part 4 of the casing, carrying the gear 16, is rotatable so as to adjust the phase relation between the distributors. The other distributor has its gears so arranged as to allow the interchange and thus the obtainment of different speed ratios of the. two motors.
GB1343629A 1929-04-30 1929-04-30 Improvements in or relating to the synchronous control of independently driven machines Expired GB332924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1343629A GB332924A (en) 1929-04-30 1929-04-30 Improvements in or relating to the synchronous control of independently driven machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1343629A GB332924A (en) 1929-04-30 1929-04-30 Improvements in or relating to the synchronous control of independently driven machines

Publications (1)

Publication Number Publication Date
GB332924A true GB332924A (en) 1930-07-30

Family

ID=10022955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1343629A Expired GB332924A (en) 1929-04-30 1929-04-30 Improvements in or relating to the synchronous control of independently driven machines

Country Status (1)

Country Link
GB (1) GB332924A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533473A (en) * 1948-11-06 1950-12-12 Bell Telephone Labor Inc Motor speed control system
US2716723A (en) * 1953-08-04 1955-08-30 Ivan W King Synchronizing means for electric motors
US2967987A (en) * 1955-04-23 1961-01-10 Bauer Eugen Gmbh Synchronizing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533473A (en) * 1948-11-06 1950-12-12 Bell Telephone Labor Inc Motor speed control system
US2716723A (en) * 1953-08-04 1955-08-30 Ivan W King Synchronizing means for electric motors
US2967987A (en) * 1955-04-23 1961-01-10 Bauer Eugen Gmbh Synchronizing apparatus

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