| 摘要 |
An electrical storage circuit suitable for use as a repertory dialler in a telephone system in which the digits of a number to be dialled are stored at respective addressed locations in a co-ordinate store constituted by active bistable devices as four bit words, and words read out from the store are applied via an inverter to a four bit counter which is stepped until each stage is set at 1 in synchronism with an output from a pulse generator to give a digital output according to an addressed word associated with a particular digit of a stored number at a rate governed by the frequency and duration of the clock pulse output from the generator. |
