JPS5844717Y2 - スピ−カ保護回路 - Google Patents

スピ−カ保護回路

Info

Publication number
JPS5844717Y2
JPS5844717Y2 JP5148279U JP5148279U JPS5844717Y2 JP S5844717 Y2 JPS5844717 Y2 JP S5844717Y2 JP 5148279 U JP5148279 U JP 5148279U JP 5148279 U JP5148279 U JP 5148279U JP S5844717 Y2 JPS5844717 Y2 JP S5844717Y2
Authority
JP
Japan
Prior art keywords
speaker
light bulb
protection circuit
input
incandescent light
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
Application number
JP5148279U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55152784U (enExample
Inventor
峰太郎 広瀬
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5148279U priority Critical patent/JPS5844717Y2/ja
Publication of JPS55152784U publication Critical patent/JPS55152784U/ja
Application granted granted Critical
Publication of JPS5844717Y2 publication Critical patent/JPS5844717Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP5148279U 1979-04-18 1979-04-18 スピ−カ保護回路 Expired JPS5844717Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5148279U JPS5844717Y2 (ja) 1979-04-18 1979-04-18 スピ−カ保護回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5148279U JPS5844717Y2 (ja) 1979-04-18 1979-04-18 スピ−カ保護回路

Publications (2)

Publication Number Publication Date
JPS55152784U JPS55152784U (enExample) 1980-11-04
JPS5844717Y2 true JPS5844717Y2 (ja) 1983-10-11

Family

ID=28940918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5148279U Expired JPS5844717Y2 (ja) 1979-04-18 1979-04-18 スピ−カ保護回路

Country Status (1)

Country Link
JP (1) JPS5844717Y2 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026414A1 (en) * 1999-10-06 2001-04-12 Sony Corporation Speaker unit
JP2008259247A (ja) * 2008-07-28 2008-10-23 Sony Corp スピーカ装置
JP2010153948A (ja) * 2008-12-24 2010-07-08 Nec Access Technica Ltd スピーカ保護回路およびその過電力検出回路ならびにスイッチ回路
JP2010171744A (ja) * 2009-01-23 2010-08-05 Audio Technica Corp 聴力保護具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58181397A (ja) * 1982-04-16 1983-10-24 Sony Corp スピ−カ保護回路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026414A1 (en) * 1999-10-06 2001-04-12 Sony Corporation Speaker unit
JP2008259247A (ja) * 2008-07-28 2008-10-23 Sony Corp スピーカ装置
JP2010153948A (ja) * 2008-12-24 2010-07-08 Nec Access Technica Ltd スピーカ保護回路およびその過電力検出回路ならびにスイッチ回路
JP2010171744A (ja) * 2009-01-23 2010-08-05 Audio Technica Corp 聴力保護具

Also Published As

Publication number Publication date
JPS55152784U (enExample) 1980-11-04

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