JPS52100225A - Protecting circuit for speaker - Google Patents

Protecting circuit for speaker

Info

Publication number
JPS52100225A
JPS52100225A JP1733276A JP1733276A JPS52100225A JP S52100225 A JPS52100225 A JP S52100225A JP 1733276 A JP1733276 A JP 1733276A JP 1733276 A JP1733276 A JP 1733276A JP S52100225 A JPS52100225 A JP S52100225A
Authority
JP
Japan
Prior art keywords
speaker
protecting circuit
cut
detecting
input
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
JP1733276A
Other languages
Japanese (ja)
Inventor
Hideo Suzuki
Takashi Higaki
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 JP1733276A priority Critical patent/JPS52100225A/en
Publication of JPS52100225A publication Critical patent/JPS52100225A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE:To cut off input to a speaker and prevent burning of voice coils by detecting the temperature rise of the resistor connected in parallel to the speaker in an acoustic suspension system or others.
JP1733276A 1976-02-19 1976-02-19 Protecting circuit for speaker Pending JPS52100225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1733276A JPS52100225A (en) 1976-02-19 1976-02-19 Protecting circuit for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1733276A JPS52100225A (en) 1976-02-19 1976-02-19 Protecting circuit for speaker

Publications (1)

Publication Number Publication Date
JPS52100225A true JPS52100225A (en) 1977-08-23

Family

ID=11941089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1733276A Pending JPS52100225A (en) 1976-02-19 1976-02-19 Protecting circuit for speaker

Country Status (1)

Country Link
JP (1) JPS52100225A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7630505B2 (en) 2004-01-05 2009-12-08 Alpine Electronics, Inc. Loudspeaker system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7630505B2 (en) 2004-01-05 2009-12-08 Alpine Electronics, Inc. Loudspeaker system

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