| 摘要 |
<p>The telephone set comprises a local logic unit having a microprocessor (30) operatively connected to: - a dialing keyboard (22); - a coin sorter (56) including an electronic selecting section; - a coin receiving device (58-59) interposed between the sorter and a collecting channel (60) and activated directly by the microprocessor (30); - sensor means (62,64,76,78) responsive to the presence of at least one coin or token in the collecting channel and being adapted to send corresponding signals to the microprocessor; - a cash or return device (68) located at the outlet of the channel (60); - a billing pulse detector (40); - a on-hook simulator member (SG) activated by the microprocessor; - at least one main power supply (34); and - a reset member for the microprocessor, activated by the same at the end of the operations to ensure that the supply voltage drops below a set value.</p> |
