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
GB16586/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB312651ApublicationCriticalpatent/GB312651A/en
312,651. British Thomson-Houston Co., Ltd., (Assignees of Kell, R. D.). May 29, 1928, [Convention date]. Television; synchronous movements.-To synchronize the receiver scanning disc 1 with the transmitter, a magnetic structure 8 provided with a plurality of projections 11 rotates with the disc 1 and an adjustably mounted stationary electromagnet 9, over the poles of which the projections 11 rotate, is supplied with alternating current of the same frequency as that supplied to the motor 2 driving the scanning disc. The phase of the motor 2 is adjusted by turning the electromagnet 9 by means of the knob 10.
GB16586/29A1928-05-291929-05-29Improvements in apparatus suitable for television
ExpiredGB312651A
(en)