公开(公告)号：US20190104353A1

公开(公告)日：2019-04-04

申请号：US16120817

申请日：2018-09-04

Applicant: RION Co., Ltd.

Inventor： Shinichi ISHIKAWA ,  Takashi YAMASAKI ,  Kenichi NAGAMINE ,  Takashi MANO

IPC: H04R1/10

Abstract: A headphone includes: a sound source configured to convert an electric signal into a sound and to output the sound; a body portion covering a back surface of the sound source and holding the sound source; an ear pad which is configured to surround the pinna of a wearer, and which forms an air space between the wearer's head and the sound source when the headphone is worn; a sound absorbing material disposed opposing the sound source at a front surface of the sound source in the air space; and a holder holding the ear pad and the sound absorbing material. The holder is attachable to and detachable from the body portion.

公开(公告)号：US20190116413A1

公开(公告)日：2019-04-18

申请号：US16134150

申请日：2018-09-18

Applicant: RION Co., Ltd.

Inventor： Shinichi ISHIKAWA ,  Ryoichi HAMANAKA ,  Kaori SATO

IPC: H04R1/10 ,  G01H3/00

CPC classification number: H04R1/1041 ,  A61B5/123 ,  A61B5/6803 ,  A61B5/74 ,  A61B2560/0214 ,  A61B2560/0247 ,  A61B2562/0204 ,  G01H3/00 ,  H04R1/10 ,  H04R1/1008 ,  H04R1/105 ,  H04R1/1091 ,  H04R29/00 ,  H04R29/008 ,  H04R2420/07

Abstract: An earphone for an audiometer is provided, which includes a right earphone portion, a left earphone portion, a right light-emitter corresponding to the right earphone portion, a left light-emitter corresponding to the left earphone portion, and a controller, wherein the controller selects any one of the right earphone portion and the left earphone portion as an earphone portion for presenting a test sound, and causes the light-emitter corresponding to the selected earphone portion to emit light in a mode in accordance with the test sound.