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公开(公告)号：US20190132667A1
公开(公告)日：2019-05-02
申请号：US16100616
申请日：2018-08-10
Inventor： Hirotaka FUKUTSUKA , Shinji KURAOKA , Ryota FUJII , Koji IKEDA
CPC classification number: H04R1/1041 , H04R1/08 , H04R1/083 , H04R1/1008 , H04R1/105 , H04R1/1083 , H04R3/005 , H04R2201/107
Abstract: A headset includes a housing provided at one end of a headband, an ear pad attached to the housing, a boom main body attached to the housing on a side opposite to the ear pad, an arm portion provided in the boom main body and protruding to a side opposite to one end of the headband with the housing interposed between the headband and the arm portion, a first microphone provided at a protruding tip of the arm portion, and a second microphone provided on the arm portion, and disposed on a substantially straight line passing through a mouth of a user and the first microphone and on a side opposite to the mouth of the user with the first microphone interposed between the mouth and the second microphone.
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公开(公告)号：US20240014855A1
公开(公告)日：2024-01-11
申请号：US18474814
申请日：2023-09-26
Inventor： Hisao KOGA , Makoto YONEKURA , Koji IKEDA
IPC: H04B3/54
Abstract: A communication device and a communication signal generation method are provided that perform receiving input data; and processing the input data according to a determined channel to generate a communication frame. The determined channel corresponds to one of a plurality of channels including at least one first channel defined by a first mode and at least one second channel defined by a second mode. A frequency band of the first channel including subcarriers is different from a frequency band of the second channel including subcarriers. A frequency interval of the subcarriers in the first channel is different from a frequency interval of the subcarriers in the second channel. A number of the first channel(s) in the first mode is different from a number of the second channel(s) in the second mode.
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