- 专利标题： Earphone line control device and earphone
-
申请号： US14425306申请日： 2014-11-21
-
公开(公告)号： US09736566B2公开(公告)日： 2017-08-15
- 发明人: Kuanhong Hsieh , Boqing Lin , Xiaohong Sun
- 申请人： 1MORE INC.
- 申请人地址： CN Shenzhen
- 专利权人： 1More, Inc.
- 当前专利权人： 1More, Inc.
- 当前专利权人地址： CN Shenzhen
- 代理机构： Lewis Kohn & Walker LLP
- 代理商 David M. Kohn; Kari Moyer-Henry
- 优先权： CN201310594749 20131122
- 国际申请： PCT/CN2014/091913 WO 20141121
- 国际公布： WO2015/074607 WO 20150528
- 主分类号： H04R1/10
- IPC分类号： H04R1/10 ; H04R3/04 ; H04R5/04 ; H04R3/00 ; G06F1/32 ; H03G3/00 ; G06F1/30 ; H04M1/72 ; H04M1/725 ; H04M1/60
摘要：
An earphone line control device includes a power supply management unit, a filter unit, a switching circuit and a control unit. The switching circuit includes a switch in series with a resistance, a first end of the power supply management unit and an end of the filter unit are both connected to a power supply, a second end of the power supply management unit is connected to a first end of the control unit, the other end of the filter unit is connected to a second end of the control unit, a third end of the power supply management unit is connected to ground, a third end of the control unit is connected to ground, an end of the resistance is connected to the power supply, the other end of the resistance is in series with an end of the switch and connected to a fifth end of the control unit, and the other end of the switch is connected to a forth end of the control unit. When the switch is turned off, the control unit outputs a preset coded pulse signal.
公开/授权文献
- US20160277826A1 Earphone Line Control Device and Earphone 公开/授权日：2016-09-22