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
GB31427/33A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AGfiledCriticalSiemens and Halske AG
Publication of GB424518ApublicationCriticalpatent/GB424518A/en
424,518. Copying telegraphy. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 10, 1933, No. 31427. Convention date, Jan. 12. [Class 40 (iii)] A copying-telegraph, in which signals representing an image of a character are transmitted by actuating an appropriate key, is synchronized by driving the transmitter and receiver from a common alternating- current power-distribution network, and the duration of keying or recording one line of the image is equal to, or is an exact submultiple of, the period of the mains supply.
GB31427/33A1933-01-121933-11-10An arrangement for the transmission of telegraphic signals by a picture method
ExpiredGB424518A
(en)