JPS51121409U - - Google Patents

Info

Publication number
JPS51121409U
JPS51121409U JP1975038589U JP3858975U JPS51121409U JP S51121409 U JPS51121409 U JP S51121409U JP 1975038589 U JP1975038589 U JP 1975038589U JP 3858975 U JP3858975 U JP 3858975U JP S51121409 U JPS51121409 U JP S51121409U
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.)
Granted
Application number
JP1975038589U
Other languages
Japanese (ja)
Other versions
JPS5420898Y2 (enrdf_load_stackoverflow
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

Landscapes

  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP1975038589U 1974-11-18 1975-03-22 Expired JPS5420898Y2 (enrdf_load_stackoverflow)

Priority Applications (4)

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

Publications (2)

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

Family

ID=28160858

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5420898Y2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188995A (ja) * 1982-04-27 1983-11-04 Katsuo Motoi イヤ−マイクロホン
JPS58210793A (ja) * 1982-06-01 1983-12-08 Katsuo Motoi 外耳道内双方向通話装置
JP2017017754A (ja) * 2016-10-05 2017-01-19 株式会社ファインウェル 携帯電話

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188995A (ja) * 1982-04-27 1983-11-04 Katsuo Motoi イヤ−マイクロホン
JPS58210793A (ja) * 1982-06-01 1983-12-08 Katsuo Motoi 外耳道内双方向通話装置
JP2017017754A (ja) * 2016-10-05 2017-01-19 株式会社ファインウェル 携帯電話

Also Published As

Publication number Publication date
JPS5420898Y2 (enrdf_load_stackoverflow) 1979-07-26

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