| 摘要 |
PURPOSE: To enable speaking through the hand set of personal handyphone system(PHS) equipment even during high-speed moving by connecting the master unit of the PHS equipment to a car telephone terminal. CONSTITUTION: A base unit 1 to form the PHS equipment together with a hand set 10 inside an automobile 1 is connected to the car telephone terminal. Then, speaking can be performed while using the slave set 10 of the PHS equipment without newly adding any function or circuit to the PHS equipment even during high-speed moving by utilizing the car telephone line of a car telephone antenna 5 or a car telephone base station 60. In this case, when the caller of a telephone call dials the telephone number of the car telephone terminal, a line between the base station 60 and the automobile is secured and the slave set 10 can receive that telephone call. |
