公开(公告)号：US10595110B2

公开(公告)日：2020-03-17

申请号：US16205978

申请日：2018-11-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hisayuki Sasaki ,  Haruyuki Yoshida ,  Kenta Kondou

IPC: H04R1/08 ,  H04R3/00 ,  H04W52/24 ,  H04M19/00

Abstract: There is provided a microphone device for transmitting a collected audio signal to a receiving device wirelessly. The microphone device includes a battery, a current suppresser that is connected in series with the battery and suppresses a current from the battery and a plurality of transformers each of which is connected in series between the current suppresser and each of a plurality of loads and outputs a voltage in response to a corresponding load of the plurality of loads connected thereto based on an output of the current suppresser.