| 摘要 |
1,102,690. Electric selective signalling. SCM CORPORATION. 23 Nov., 1965 [23 Nov., 1964], No. 49790/65. Heading G4H. [Also in Division H4] In a mosaic printing system as described in Specification 1,069,521 (see Heading G4H) the Start bits are transmitted as a frequency distinct from any other part of the character-representing signal. The receiver operates in response to this frequency provided that a preset number of Start bits is received. |
