| FR1317336A (en)* | 1961-12-29 | 1963-02-08 | Csf | Improvements to time division multiplexes |
| US3295065A (en)* | 1964-03-17 | 1966-12-27 | Itt | Pulse generator employing cascaded counters and coincidence circuitry for producing plural frequency outputs |
| DE1254715B (en)* | 1964-08-13 | 1967-11-23 | Siemens Ag | Method and arrangement for the synchronization of at least one digital time division multiplex system |
| US3437755A (en)* | 1965-03-11 | 1969-04-08 | Itt | Multiplex channel gate pulse generator from an intermixture of time division multiplex pulse trains |
| DE1265247B (en)* | 1966-12-08 | 1968-04-04 | Siemens Ag | Time division multiplex transmission method for the transmission of a plurality of binary messages in a transparent channel |