JPS5919446Y2 - 増幅器 - Google Patents

増幅器

Info

Publication number
JPS5919446Y2
JPS5919446Y2 JP1977128157U JP12815777U JPS5919446Y2 JP S5919446 Y2 JPS5919446 Y2 JP S5919446Y2 JP 1977128157 U JP1977128157 U JP 1977128157U JP 12815777 U JP12815777 U JP 12815777U JP S5919446 Y2 JPS5919446 Y2 JP S5919446Y2
Authority
JP
Japan
Prior art keywords
terminal
variable resistor
signal
recording
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
Application number
JP1977128157U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5453345U (enExample
Inventor
祐一 永田
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP1977128157U priority Critical patent/JPS5919446Y2/ja
Priority to US05/944,589 priority patent/US4227048A/en
Publication of JPS5453345U publication Critical patent/JPS5453345U/ja
Application granted granted Critical
Publication of JPS5919446Y2 publication Critical patent/JPS5919446Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP1977128157U 1977-09-22 1977-09-22 増幅器 Expired JPS5919446Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1977128157U JPS5919446Y2 (ja) 1977-09-22 1977-09-22 増幅器
US05/944,589 US4227048A (en) 1977-09-22 1978-09-21 Audio signal transmission circuit having a constant level tone-controlled output signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977128157U JPS5919446Y2 (ja) 1977-09-22 1977-09-22 増幅器

Publications (2)

Publication Number Publication Date
JPS5453345U JPS5453345U (enExample) 1979-04-13
JPS5919446Y2 true JPS5919446Y2 (ja) 1984-06-05

Family

ID=14977786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977128157U Expired JPS5919446Y2 (ja) 1977-09-22 1977-09-22 増幅器

Country Status (2)

Country Link
US (1) US4227048A (enExample)
JP (1) JPS5919446Y2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466118A (en) * 1983-02-01 1984-08-14 Motorola, Inc. Dual range audio level control
US4545278A (en) * 1983-04-06 1985-10-08 Fender Musical Instruments Corporation Apparatus and method for adjusting the characteristic sounds of electric guitars, and for controlling tones
US4583245A (en) * 1984-06-14 1986-04-15 Renkus-Heinz, Inc. Speaker system protection circuit
US4887298A (en) * 1988-06-15 1989-12-12 Renkus-Heinz Electronic circuit for sensing disconnect or failure of a power output sense line in an audio power system
JP3097407B2 (ja) * 1993-08-18 2000-10-10 松下電器産業株式会社 音響再生装置の音量、音質調整回路
KR100230102B1 (ko) * 1996-12-11 1999-11-15 구자홍 볼륨레벨에 따른 음성조정방법
WO2010087863A1 (en) * 2009-02-02 2010-08-05 Hewlett-Packard Development Company, L.P. Method of leveling a plurality of audio signals
EP2422529A1 (en) * 2009-04-21 2012-02-29 Koninklijke Philips Electronics N.V. Driving of multi-channel speakers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2341336A (en) * 1942-03-10 1944-02-08 Rca Corp Compressor and variable equalizer system
US3732373A (en) * 1971-10-12 1973-05-08 W Boyden Tone control circuits
JPS5651375Y2 (enExample) * 1973-12-27 1981-12-01
US4054844A (en) * 1975-04-15 1977-10-18 Nippon Gakki Seizo Kabushiki Kaisha Amplifying system

Also Published As

Publication number Publication date
US4227048A (en) 1980-10-07
JPS5453345U (enExample) 1979-04-13

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