Invention Grant
- Patent Title: Voltage supply circuit included in terminal equipment
- Patent Title (中): 电源电路包括在终端设备中
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Application No.: US14734584Application Date: 2015-06-09
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Publication No.: US09521485B2Publication Date: 2016-12-13
- Inventor: Ahn Kook Lee
- Applicant: WISOL CO., LTD.
- Applicant Address: KR Osan-Si, Gyeonggi-Do
- Assignee: WISOL CO., LTD.
- Current Assignee: WISOL CO., LTD.
- Current Assignee Address: KR Osan-Si, Gyeonggi-Do
- Agency: LRK Patent Law Firm
- Priority: KR10-2014-0177480 20141210
- Main IPC: H04R3/00
- IPC: H04R3/00 ; H04R1/10 ; G06F1/24
Abstract:
A voltage supply circuit included in an audio signal processing device includes a control unit for controlling a signal output from a terminal equipment; a power supply unit for outputting voltage to an earphone device according to a control signal of the control unit; and a variable circuit unit connected to the power supply unit to convert the voltage output from the power supply unit and transmit the converted voltage to the earphone device.
Public/Granted literature
- US20160171969A1 VOLTAGE SUPPLY CIRCUIT INCLUDED IN TERMINAL EQUIPMENT Public/Granted day:2016-06-16
Information query
