JPS645494B2 - - Google Patents

Info

Publication number
JPS645494B2
JPS645494B2 JP25135483A JP25135483A JPS645494B2 JP S645494 B2 JPS645494 B2 JP S645494B2 JP 25135483 A JP25135483 A JP 25135483A JP 25135483 A JP25135483 A JP 25135483A JP S645494 B2 JPS645494 B2 JP S645494B2
Authority
JP
Japan
Prior art keywords
terminal
speaker
low frequency
switch
power supply
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
JP25135483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60143030A (ja
Inventor
Hiroyuki Tanaka
Masaaki Fumoto
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 JP25135483A priority Critical patent/JPS60143030A/ja
Publication of JPS60143030A publication Critical patent/JPS60143030A/ja
Publication of JPS645494B2 publication Critical patent/JPS645494B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
JP25135483A 1983-12-29 1983-12-29 電子機器 Granted JPS60143030A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25135483A JPS60143030A (ja) 1983-12-29 1983-12-29 電子機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25135483A JPS60143030A (ja) 1983-12-29 1983-12-29 電子機器

Publications (2)

Publication Number Publication Date
JPS60143030A JPS60143030A (ja) 1985-07-29
JPS645494B2 true JPS645494B2 (US06633600-20031014-M00021.png) 1989-01-31

Family

ID=17221577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25135483A Granted JPS60143030A (ja) 1983-12-29 1983-12-29 電子機器

Country Status (1)

Country Link
JP (1) JPS60143030A (US06633600-20031014-M00021.png)

Also Published As

Publication number Publication date
JPS60143030A (ja) 1985-07-29

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