公开(公告)号：US10320408B2

公开(公告)日：2019-06-11

申请号：US15862794

申请日：2018-01-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young-Hun Kim ,  Yunseob Song ,  Jonghwa Won ,  Wangseup Yeum

IPC: H03K5/153 ,  H03M1/18 ,  H03K5/003 ,  G01R19/04 ,  H03G3/30 ,  H03G7/08 ,  H03K5/1532 ,  G01R35/00

Abstract: An electronic circuit includes a peak detector, a gain controller, and a compressor. The peak detector detects a peak level from a digital input. The gain controller outputs a digital gain with regard to increasing the peak level to a target level, The compressor provides the gain controller with a compressed gain which is to be output as the digital gain, based on the detected peak level. In a compression interval where the peak level is greater than a threshold level, the output digital gain increases as the peak level decreases. The compressor generates the compressed gain such that a ratio of an increment of the output digital gain to a decrement of the peak level in the compression interval is less than a reference ratio.

公开(公告)号：US10659870B2

公开(公告)日：2020-05-19

申请号：US15987641

申请日：2018-05-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changseob Shin ,  Jonghwa Won

IPC: H01R24/58 ,  H04R1/10 ,  H01R13/66 ,  H01R107/00

Abstract: An audio device includes a jack slot detachably connectable with an audio jack; a detection and monitor unit constantly supplying a first voltage and a second voltage to the jack slot and detecting whether a conductive material is attached to the jack slot depending on changes in the first and second voltages, in a first detection mode; and a determination unit determining whether the conductive material is the audio jack depending on a change in at least one of the first and second voltages in response to detecting attachment of the conductive material. In response to determination by the determination unit that the conductive material is not the audio jack, the detection and monitor unit in a second detection mode monitors a change in the at least one of the first and second voltages while periodically supplying the first and second voltages to the jack slot.