JPS61189650U - - Google Patents

Info

Publication number
JPS61189650U
JPS61189650U JP7344585U JP7344585U JPS61189650U JP S61189650 U JPS61189650 U JP S61189650U JP 7344585 U JP7344585 U JP 7344585U JP 7344585 U JP7344585 U JP 7344585U JP S61189650 U JPS61189650 U JP S61189650U
Authority
JP
Japan
Prior art keywords
microphone
speaker
view
showing
directivity
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.)
Pending
Application number
JP7344585U
Other languages
English (en)
Japanese (ja)
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 JP7344585U priority Critical patent/JPS61189650U/ja
Publication of JPS61189650U publication Critical patent/JPS61189650U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP7344585U 1985-05-20 1985-05-20 Pending JPS61189650U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7344585U JPS61189650U (zh) 1985-05-20 1985-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7344585U JPS61189650U (zh) 1985-05-20 1985-05-20

Publications (1)

Publication Number Publication Date
JPS61189650U true JPS61189650U (zh) 1986-11-26

Family

ID=30612819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7344585U Pending JPS61189650U (zh) 1985-05-20 1985-05-20

Country Status (1)

Country Link
JP (1) JPS61189650U (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141838A (en) * 1979-04-24 1980-11-06 Fujitsu Ltd Hand-free call unit for car telephone
JPS55143851A (en) * 1979-04-26 1980-11-10 Fujitsu Ltd Hand-free call unit for car telephone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141838A (en) * 1979-04-24 1980-11-06 Fujitsu Ltd Hand-free call unit for car telephone
JPS55143851A (en) * 1979-04-26 1980-11-10 Fujitsu Ltd Hand-free call unit for car telephone

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