JPH0357646B2 - - Google Patents

Info

Publication number
JPH0357646B2
JPH0357646B2 JP56059705A JP5970581A JPH0357646B2 JP H0357646 B2 JPH0357646 B2 JP H0357646B2 JP 56059705 A JP56059705 A JP 56059705A JP 5970581 A JP5970581 A JP 5970581A JP H0357646 B2 JPH0357646 B2 JP H0357646B2
Authority
JP
Japan
Prior art keywords
speaker
transistor
operation confirmation
signal
amplifier
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 - Lifetime
Application number
JP56059705A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57174921A (en
Inventor
Masao Nakano
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.)
ZENERARU RISAACHI OBU EREKUTORONITSUKUSU KK
Original Assignee
ZENERARU RISAACHI OBU EREKUTORONITSUKUSU KK
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 ZENERARU RISAACHI OBU EREKUTORONITSUKUSU KK filed Critical ZENERARU RISAACHI OBU EREKUTORONITSUKUSU KK
Priority to JP56059705A priority Critical patent/JPS57174921A/ja
Publication of JPS57174921A publication Critical patent/JPS57174921A/ja
Publication of JPH0357646B2 publication Critical patent/JPH0357646B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP56059705A 1981-04-22 1981-04-22 Speaker driving system Granted JPS57174921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56059705A JPS57174921A (en) 1981-04-22 1981-04-22 Speaker driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56059705A JPS57174921A (en) 1981-04-22 1981-04-22 Speaker driving system

Publications (2)

Publication Number Publication Date
JPS57174921A JPS57174921A (en) 1982-10-27
JPH0357646B2 true JPH0357646B2 (en]) 1991-09-02

Family

ID=13120891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56059705A Granted JPS57174921A (en) 1981-04-22 1981-04-22 Speaker driving system

Country Status (1)

Country Link
JP (1) JPS57174921A (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53122319A (en) * 1977-03-31 1978-10-25 Sharp Corp Television receiver providing channel number audio casting function
JPS55172812U (en]) * 1979-05-29 1980-12-11

Also Published As

Publication number Publication date
JPS57174921A (en) 1982-10-27

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