Staas & Halsey LLP
Apparatus and method for checking whether sub unit is connected to main controller
Provided is an electronic device capable of checking whether a sub unit is connected to a main controller. The electronic device includes a main controller including a pulse width modulation (PWM) port, and at least one sub unit configured to receive a PWM signal from the main controller and to operate according to the PWM signal. The main controller checks whether the at least one sub unit is connected to the main controller via the PWM port.
SAMSUNG ELECTRONICS CO., LTD.
G G
G01R G01R
inventional inventional
Young-hwa Yun-su
Song Kim