JPS5330315A - Protecting circuit for speaker system against excessive input - Google Patents

Protecting circuit for speaker system against excessive input

Info

Publication number
JPS5330315A
JPS5330315A JP10463676A JP10463676A JPS5330315A JP S5330315 A JPS5330315 A JP S5330315A JP 10463676 A JP10463676 A JP 10463676A JP 10463676 A JP10463676 A JP 10463676A JP S5330315 A JPS5330315 A JP S5330315A
Authority
JP
Japan
Prior art keywords
speaker system
protecting circuit
excessive input
system against
against excessive
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
JP10463676A
Other languages
Japanese (ja)
Inventor
Shigeru Fukaya
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 JP10463676A priority Critical patent/JPS5330315A/en
Publication of JPS5330315A publication Critical patent/JPS5330315A/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)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE:To block the input to a speaker so that the speaker may be protected from the excessive input by detecting the magnetic flux leaking from an inductor which is connected in series with the speaker.
JP10463676A 1976-09-01 1976-09-01 Protecting circuit for speaker system against excessive input Pending JPS5330315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10463676A JPS5330315A (en) 1976-09-01 1976-09-01 Protecting circuit for speaker system against excessive input

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10463676A JPS5330315A (en) 1976-09-01 1976-09-01 Protecting circuit for speaker system against excessive input

Publications (1)

Publication Number Publication Date
JPS5330315A true JPS5330315A (en) 1978-03-22

Family

ID=14385923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10463676A Pending JPS5330315A (en) 1976-09-01 1976-09-01 Protecting circuit for speaker system against excessive input

Country Status (1)

Country Link
JP (1) JPS5330315A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588577U (en) * 1978-12-15 1980-06-18
JPS61109289U (en) * 1984-12-21 1986-07-10
US7888907B2 (en) 2007-10-30 2011-02-15 Bose Corporation Controlled charging and use of power source
US8073154B2 (en) 2003-07-15 2011-12-06 Bose Corporation Supplying electrical power

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50928B1 (en) * 1969-10-03 1975-01-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50928B1 (en) * 1969-10-03 1975-01-13

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588577U (en) * 1978-12-15 1980-06-18
JPS61109289U (en) * 1984-12-21 1986-07-10
US8073154B2 (en) 2003-07-15 2011-12-06 Bose Corporation Supplying electrical power
US7888907B2 (en) 2007-10-30 2011-02-15 Bose Corporation Controlled charging and use of power source

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