Method and circuit for controlling telephone with telephone number display function

摘要

1. Description of the invention;cellphone;2. Technical Challenges of Conventional Problems;A telephone used in recent years is inconvenient for a user to pick up the handset immediately in case of urgent business, and to inconvenience that a telephone call is not received due to a lapse of a certain amount of time I want to solve the problem.;3. Technical Challenges to be Solved by the Invention;In the present invention, by sequentially lighting three light emitting devices, the user can visually recognize that the telephone is currently being received, or only the light emitting device corresponding to the telephone receiving time is lit, So that it can be seen.;4. Technical point of invention;A display unit 20 for displaying the incoming call state of the telephone call and the number of incoming calls, and a microcomputer (-COM) for discriminating the incoming call state of the telephone and the number of incoming calls.