JPS6223199Y2 - - Google Patents

Info

Publication number
JPS6223199Y2
JPS6223199Y2 JP1978169282U JP16928278U JPS6223199Y2 JP S6223199 Y2 JPS6223199 Y2 JP S6223199Y2 JP 1978169282 U JP1978169282 U JP 1978169282U JP 16928278 U JP16928278 U JP 16928278U JP S6223199 Y2 JPS6223199 Y2 JP S6223199Y2
Authority
JP
Japan
Prior art keywords
sound hole
close
sound
hearing aid
microphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1978169282U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5587799U (ar
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1978169282U priority Critical patent/JPS6223199Y2/ja
Publication of JPS5587799U publication Critical patent/JPS5587799U/ja
Application granted granted Critical
Publication of JPS6223199Y2 publication Critical patent/JPS6223199Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)
JP1978169282U 1978-12-08 1978-12-08 Expired JPS6223199Y2 (ar)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978169282U JPS6223199Y2 (ar) 1978-12-08 1978-12-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978169282U JPS6223199Y2 (ar) 1978-12-08 1978-12-08

Publications (2)

Publication Number Publication Date
JPS5587799U JPS5587799U (ar) 1980-06-17
JPS6223199Y2 true JPS6223199Y2 (ar) 1987-06-12

Family

ID=29171209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978169282U Expired JPS6223199Y2 (ar) 1978-12-08 1978-12-08

Country Status (1)

Country Link
JP (1) JPS6223199Y2 (ar)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028707A (ar) * 1973-05-01 1975-03-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028707A (ar) * 1973-05-01 1975-03-24

Also Published As

Publication number Publication date
JPS5587799U (ar) 1980-06-17

Similar Documents

Publication Publication Date Title
US20210383785A1 (en) Ambient noise reduction arrangements
WO2015021851A1 (zh) 一种耳机喇叭
CN112866864A (zh) 环境声透听方法、装置、计算机设备及耳机
TW202013986A (zh) 主動抗噪式的耳內麥克風
JP3513935B2 (ja) 通信端末
JPS62110349A (ja) 送話器
JP3947524B2 (ja) 補聴器用マイク付きイヤホン
JPS6223199Y2 (ar)
JPS63232798A (ja) マイクロホンユニツト
TWM553910U (zh) 具有微機電麥克風的耳道式耳機麥克風
JP2769554B2 (ja) イヤーセット型送受話器
JPH0630490A (ja) イヤーセット型送受話器
KR100359455B1 (ko) 청각장애자용 스피커 유닛
CN215729150U (zh) 带助听功能的眼镜
JPS6236400Y2 (ar)
JPS6244636Y2 (ar)
CN217643713U (zh) 降噪助听器
JPH0411401Y2 (ar)
JPH1085250A (ja) 外耳道装用気導骨導両用受話器
JPH0125015Y2 (ar)
KR200204436Y1 (ko) 이어폰
CN113115154A (zh) 环境声透听方法、装置、计算机设备及耳机
JP2007151135A (ja) 通話装置
JPH11136331A (ja) イヤーセット型送受話器
JPH018053Y2 (ar)