| 摘要 |
441,450. Electric signalling systems. BRITISH SANGAMO CO., Ltd., and ROGERS, S. B., Cambridge Arterial Road, Enfield, Middlesex. May 24, 1934, No. 29565/35. Divided out of 441,213. Drawings to Specification. [Class 40 (i)] In a system wherein signals are transmitted over a common line wire from a number of indicating, recording or like devices associated with the line successively by time-controlled devices, each indicating device is of the multidenominational type and is adapted to transmit signals indicative of the various digits. The system described is identical with that described with reference to Figs. 1-7 of Specification 441,213. |
