Invention Grant
- Patent Title: Speaker module and electronic apparatus
-
Application No.: US15861708Application Date: 2018-01-04
-
Publication No.: US10324502B2Publication Date: 2019-06-18
- Inventor: Hirokazu Yazaki
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Kyoto
- Assignee: MURATA MANUFACTURING CO., LTD.
- Current Assignee: MURATA MANUFACTURING CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Keating & Bennet, LLP
- Priority: JP2015-148131 20150727
- Main IPC: G06F1/16
- IPC: G06F1/16 ; H04M1/02 ; H04R1/00 ; H04R1/02 ; H04R9/02 ; H04R9/06 ; H02M3/335
Abstract:
A speaker module includes a DC-DC converter device including a switching circuit device and a choke coil connected to the switching circuit device and a speaker device that converts an electric signal generated using output voltage from the DC-DC converter device into sound. A magnetic substrate which includes the choke coil and on which the switching circuit device is mounted is disposed between the switching circuit device and the speaker device.
Public/Granted literature
- US20190011959A1 SPEAKER MODULE AND ELECTRONIC APPARATUS Public/Granted day:2019-01-10
Information query
