专利检索 ap:("SAMSUNG ELECTRONICS CO., LTD.") AND inv:"SANG HYUB KANG" 第 1 页

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发明申请
HEADPHONE DRIVER, A SOUND SYSTEM THAT INCORPORATES THE HEADPHONE DRIVER AND A COMPUTING SYSTEM THAT INCORPORATES THE HEADPHONE DRIVER 有权

公开(公告)号：US20170201827A1

公开(公告)日：2017-07-13

申请号：US15332275

申请日：2016-10-24

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： SANG HYUB KANG , SUN WOO KWON , HYUN SUN SHIM , MYUNG JIN LEE

IPC分类号： H04R3/12 , H03F3/45 , H03G1/00 , H03F3/183 , H04R5/04 , H03H7/075

CPC分类号： H04R3/12 , H03F3/183 , H03F3/187 , H03F3/45475 , H03F2200/156 , H03F2200/211 , H03F2200/252 , H03F2203/45528 , H03F2203/45534 , H03F2203/45604 , H03F2203/45616 , H03G1/0035 , H03G1/0088 , H03G3/3026 , H03H7/075 , H03H7/24 , H04R1/1083 , H04R5/04

摘要： A headphone driver, a sound processor that incorporates the headphone driver and a computing system that incorporates the headphone driver are provided. The headphone driver includes an amplifier having an input terminal and an output terminal, an R-2R ladder network provided with an input signal and connected to the input terminal of the amplifier, and a feedback resistor group connected to the input terminal and to the output terminal of the amplifier. The R-2R ladder network includes a plurality of resistor branches and a first attenuator that is connected between the plurality of resistor branches.