Patent ID: 11931058
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 7:
8. A system, comprising:
a drive motor;
a control system adapted to regulate operation of the drive motor, the control system further adapted to:
provide the drive motor with a high frequency pulse width modulation (PWM) drive signal in order to operate the drive motor;
monitor a torque exerted by the drive motor;
monitor a speed of the drive motor;
when the torque approaches a torque threshold and/or when the speed approaches a speed threshold, the control system adds a low frequency PWM signal to the high frequency PWM drive signal, thereby causing the drive motor to produce a tactile signal that signals to a user that the torque is approaching the torque threshold and/or the motor speed is approaching the speed threshold.