JPS5442572Y2 - - Google Patents

Info

Publication number
JPS5442572Y2
JPS5442572Y2 JP1975011452U JP1145275U JPS5442572Y2 JP S5442572 Y2 JPS5442572 Y2 JP S5442572Y2 JP 1975011452 U JP1975011452 U JP 1975011452U JP 1145275 U JP1145275 U JP 1145275U JP S5442572 Y2 JPS5442572 Y2 JP S5442572Y2
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
JP1975011452U
Other languages
Japanese (ja)
Other versions
JPS5193612U (fr
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 JP1975011452U priority Critical patent/JPS5442572Y2/ja
Publication of JPS5193612U publication Critical patent/JPS5193612U/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 JPS5442572Y2 publication Critical patent/JPS5442572Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
JP1975011452U 1974-11-18 1975-01-27 Expired JPS5442572Y2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1975011452U JPS5442572Y2 (fr) 1975-01-27 1975-01-27
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
JP1975011452U JPS5442572Y2 (fr) 1975-01-27 1975-01-27

Publications (2)

Publication Number Publication Date
JPS5193612U JPS5193612U (fr) 1976-07-27
JPS5442572Y2 true JPS5442572Y2 (fr) 1979-12-11

Family

ID=28084756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1975011452U Expired JPS5442572Y2 (fr) 1974-11-18 1975-01-27

Country Status (1)

Country Link
JP (1) JPS5442572Y2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952505A (fr) * 1972-06-22 1974-05-22
JPS504909A (fr) * 1973-05-16 1975-01-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952505A (fr) * 1972-06-22 1974-05-22
JPS504909A (fr) * 1973-05-16 1975-01-20

Also Published As

Publication number Publication date
JPS5193612U (fr) 1976-07-27

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