TELEPHONE SET USING CPU CARD

摘要

PURPOSE:To contrive simplification and low-cost of the telephone set by using a CPU card so as to input a telephone number. CONSTITUTION:On loading a CPU card 1, the MPU 7 of the CPU card 1 and the MPU 21 of a telephone set 10 are communicated and the telephone number stored in a memory 8 of the CPU card 1 is sent to the MPU 21. When a call button or a specific key of the keyboard 2 of the CPU 1 loaded is depressed, the dial signal sent from the CPU card 1 is sent from a dialer 22 to the line.