JPH079519Y2 - スピーカの故障診断装置 - Google Patents

スピーカの故障診断装置

Info

Publication number
JPH079519Y2
JPH079519Y2 JP1444688U JP1444688U JPH079519Y2 JP H079519 Y2 JPH079519 Y2 JP H079519Y2 JP 1444688 U JP1444688 U JP 1444688U JP 1444688 U JP1444688 U JP 1444688U JP H079519 Y2 JPH079519 Y2 JP H079519Y2
Authority
JP
Japan
Prior art keywords
speaker
signal
failure diagnosis
diagnosis device
oscillator
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 - Lifetime
Application number
JP1444688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01120632U (OSRAM
Inventor
益樹 籠宮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Radio Co Ltd
Original Assignee
Japan Radio Co Ltd
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 by Japan Radio Co Ltd filed Critical Japan Radio Co Ltd
Priority to JP1444688U priority Critical patent/JPH079519Y2/ja
Publication of JPH01120632U publication Critical patent/JPH01120632U/ja
Application granted granted Critical
Publication of JPH079519Y2 publication Critical patent/JPH079519Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1444688U 1988-02-05 1988-02-05 スピーカの故障診断装置 Expired - Lifetime JPH079519Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1444688U JPH079519Y2 (ja) 1988-02-05 1988-02-05 スピーカの故障診断装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1444688U JPH079519Y2 (ja) 1988-02-05 1988-02-05 スピーカの故障診断装置

Publications (2)

Publication Number Publication Date
JPH01120632U JPH01120632U (OSRAM) 1989-08-16
JPH079519Y2 true JPH079519Y2 (ja) 1995-03-06

Family

ID=31225650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1444688U Expired - Lifetime JPH079519Y2 (ja) 1988-02-05 1988-02-05 スピーカの故障診断装置

Country Status (1)

Country Link
JP (1) JPH079519Y2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006254115A (ja) * 2005-03-10 2006-09-21 Matsushita Electric Ind Co Ltd 放送システムおよびスピーカ故障検査方法
JP5325559B2 (ja) * 2008-12-18 2013-10-23 新日本無線株式会社 スピーカ診断方法および装置

Also Published As

Publication number Publication date
JPH01120632U (OSRAM) 1989-08-16

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