AUTOMATIC LIGHT OUTPUT CONTROL CIRCUIT

摘要

PROBLEM TO BE SOLVED: To enhance the operability and maintainability of an automatic light output control circuit. SOLUTION: The automatic light output control circuit is provided with a mode changeover circuit hat is placed between a storage drive means and a light emission drive means on a data transmission signal line and connects a data input terminal to the data transmission signal line at the side of the storage drive means and connects a data output terminal to the data transmission signal line at the light emission drive means side.