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 (en]
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 (en])

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=29171209

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS6223199Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7306005A (en]) * 1973-05-01 1974-11-05

Also Published As

Publication number Publication date
JPS5587799U (en]) 1980-06-17

Similar Documents

Publication Publication Date Title
US20210383785A1 (en) Ambient noise reduction arrangements
US20220060812A1 (en) Wearable audio device with inner microphone adaptive noise reduction
EP0364037B1 (en) Antihowling hearing aid
JP2020109893A (ja) 音声入出力装置、補聴器、音声入出力方法および音声入出力プログラム
WO2015021851A1 (zh) 一种耳机喇叭
CN110913293A (zh) 主动抗噪式的耳内麦克风
CN112866864A (zh) 环境声透听方法、装置、计算机设备及耳机
JP3947524B2 (ja) 補聴器用マイク付きイヤホン
JPS6223199Y2 (en])
JPS63232798A (ja) マイクロホンユニツト
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 (en])
JPS6244636Y2 (en])
KR200216321Y1 (ko) 마이크겸용 이어폰
JP3976075B2 (ja) インターホン装置
CN217643713U (zh) 降噪助听器
JPH04172794A (ja) 外耳道で骨伝導音声をピックアップする装置及び通話装置
JPH1085250A (ja) 外耳道装用気導骨導両用受話器
JPH0125015Y2 (en])
KR200204436Y1 (ko) 이어폰
CN113115154A (zh) 环境声透听方法、装置、计算机设备及耳机
JPH02147993U (en])