Patent ID: 11937688
Assignee: SMART CHIP MICROELECTRONIC CO. LIMITED
Field: Medical technology (Instruments)
Classification: CPC A  G  H | IPC A  G  H

Claim 0:
1. A toothbrush comprising a drive mechanism and electronic circuitry configured to drive the drive mechanism to execute toothbrushing motions, wherein the electronic circuitry comprises a drive circuitry and a controller which is configured to form a drive signal to operate the drive circuitry to generate drive current, wherein the drive signal comprises a plurality of signal packets, wherein a signal packet has a signal packet duration and comprises a train of switching signals, wherein the switching signals are configured to repeatedly switch on and switch off drive current supply to the drive mechanism at a switching frequency fs, and wherein the signal packet duration is configured to define a rhythm of toothbrushing motions.