DIALING CIRCUIT WITH A SEARCH FUNCTION

摘要

The circuit comprises the pulse generator; the dialing circuit having the output control unit (1), R/W counter, and buffer RAM (3); a search code counter (4b) which counts the number of the search codes and the search code control unit (4a) driving R/W counter (2); the search code comparator which generates the signal (SEG); the search coder latch outputting the telephone number information; and the buffer RAM which can memorize couple of phone numbers; and the search decoder latch (4c).