JPS5420898Y2 - - Google Patents

Info

Publication number
JPS5420898Y2
JPS5420898Y2 JP1975038589U JP3858975U JPS5420898Y2 JP S5420898 Y2 JPS5420898 Y2 JP S5420898Y2 JP 1975038589 U JP1975038589 U JP 1975038589U JP 3858975 U JP3858975 U JP 3858975U JP S5420898 Y2 JPS5420898 Y2 JP S5420898Y2
Authority
JP
Japan
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
JP1975038589U
Other languages
Japanese (ja)
Other versions
JPS51121409U (de
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 JP1975038589U priority Critical patent/JPS5420898Y2/ja
Publication of JPS51121409U publication Critical patent/JPS51121409U/ja
Priority to US05/789,606 priority patent/US4150262A/en
Priority to DE2849152A priority patent/DE2849152C2/de
Priority to FR7832130A priority patent/FR2441983A1/fr
Application granted granted Critical
Publication of JPS5420898Y2 publication Critical patent/JPS5420898Y2/ja
Expired legal-status Critical Current

Links

JP1975038589U 1974-11-18 1975-03-22 Expired JPS5420898Y2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1975038589U JPS5420898Y2 (de) 1975-03-22 1975-03-22
US05/789,606 US4150262A (en) 1974-11-18 1977-04-21 Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus
DE2849152A DE2849152C2 (de) 1974-11-18 1978-11-13 Vorrichtung zur Übermittlung und zum Empfang von Sprache, insbesondere in geräuschvoller Umgebung
FR7832130A FR2441983A1 (fr) 1974-11-18 1978-11-14 Dispositif de transmission et reception de sons vocaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975038589U JPS5420898Y2 (de) 1975-03-22 1975-03-22

Publications (2)

Publication Number Publication Date
JPS51121409U JPS51121409U (de) 1976-10-01
JPS5420898Y2 true JPS5420898Y2 (de) 1979-07-26

Family

ID=28160858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1975038589U Expired JPS5420898Y2 (de) 1974-11-18 1975-03-22

Country Status (1)

Country Link
JP (1) JPS5420898Y2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210793A (ja) * 1982-06-01 1983-12-08 Katsuo Motoi 外耳道内双方向通話装置
JPS58188995A (ja) * 1982-04-27 1983-11-04 Katsuo Motoi イヤ−マイクロホン
JP6216018B2 (ja) * 2016-10-05 2017-10-18 株式会社ファインウェル 携帯電話

Also Published As

Publication number Publication date
JPS51121409U (de) 1976-10-01

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