JPS5288328A - Speaker - Google Patents

Speaker

Info

Publication number
JPS5288328A
JPS5288328A JP523376A JP523376A JPS5288328A JP S5288328 A JPS5288328 A JP S5288328A JP 523376 A JP523376 A JP 523376A JP 523376 A JP523376 A JP 523376A JP S5288328 A JPS5288328 A JP S5288328A
Authority
JP
Japan
Prior art keywords
speaker
voice coil
relation
controlling
current
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
JP523376A
Other languages
Japanese (ja)
Inventor
Noboru Mikami
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP523376A priority Critical patent/JPS5288328A/en
Publication of JPS5288328A publication Critical patent/JPS5288328A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/007—Protection circuits for transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE:To prevent burns, etc. by controlling the current to be applied to a voice coil in relation to the Joule heat generated by the voice coil.
JP523376A 1976-01-19 1976-01-19 Speaker Pending JPS5288328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP523376A JPS5288328A (en) 1976-01-19 1976-01-19 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP523376A JPS5288328A (en) 1976-01-19 1976-01-19 Speaker

Publications (1)

Publication Number Publication Date
JPS5288328A true JPS5288328A (en) 1977-07-23

Family

ID=11605459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP523376A Pending JPS5288328A (en) 1976-01-19 1976-01-19 Speaker

Country Status (1)

Country Link
JP (1) JPS5288328A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143784U (en) * 1981-03-06 1982-09-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143784U (en) * 1981-03-06 1982-09-09

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