BR6679203D0 - Aperfeicoamento em circuito de controle de volume e tonalidade - Google Patents

Aperfeicoamento em circuito de controle de volume e tonalidade

Info

Publication number
BR6679203D0
BR6679203D0 BR179203/66A BR17920366A BR6679203D0 BR 6679203 D0 BR6679203 D0 BR 6679203D0 BR 179203/66 A BR179203/66 A BR 179203/66A BR 17920366 A BR17920366 A BR 17920366A BR 6679203 D0 BR6679203 D0 BR 6679203D0
Authority
BR
Brazil
Prior art keywords
improvement
volume
control circuit
tonality control
tonality
Prior art date
Application number
BR179203/66A
Other languages
English (en)
Inventor
J Beres
Original Assignee
Philco Ford 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 Philco Ford Corp filed Critical Philco Ford Corp
Publication of BR6679203D0 publication Critical patent/BR6679203D0/pt

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
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
BR179203/66A 1965-05-03 1966-05-03 Aperfeicoamento em circuito de controle de volume e tonalidade BR6679203D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45274065A 1965-05-03 1965-05-03

Publications (1)

Publication Number Publication Date
BR6679203D0 true BR6679203D0 (pt) 1973-09-20

Family

ID=23797733

Family Applications (1)

Application Number Title Priority Date Filing Date
BR179203/66A BR6679203D0 (pt) 1965-05-03 1966-05-03 Aperfeicoamento em circuito de controle de volume e tonalidade

Country Status (2)

Country Link
US (1) US3452282A (pt)
BR (1) BR6679203D0 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648179A (en) * 1968-06-07 1972-03-07 Hitachi Ltd Control device with a plurality of controlling units which are simply adjustable bath individually and simultaneously to desirable conditions
US3624509A (en) * 1968-08-13 1971-11-30 Emanuele Morici Electrically connected remote control for automatically tuned receiver
US3605042A (en) * 1969-12-22 1971-09-14 Gen Electric Treble control circuit
US3890576A (en) * 1972-12-27 1975-06-17 Nakamichi Research Transistor amplifying circuit
US4031319A (en) * 1975-12-12 1977-06-21 Motorola, Inc. Single control power-frequency control circuit
DE3584908D1 (de) * 1984-05-31 1992-01-30 Pioneer Electronic Corp Automatische verstaerkungs- und frequenzregelungseinheit fuer ein schallgeraet.
US4809338A (en) * 1985-07-05 1989-02-28 Harman International Industries, Incorporated Automotive sound system
US4759065A (en) * 1986-09-22 1988-07-19 Harman International Industries, Incorporated Automotive sound system
JPH03188707A (ja) * 1989-12-19 1991-08-16 Pioneer Electron Corp 音響再生装置
DE4114364A1 (de) * 1991-05-02 1992-11-12 Sgs Thomson Microelectronics Vorrichtung zur gehoerrichtigen lautstaerkesteuerung
US5471527A (en) * 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2074852A (en) * 1935-07-13 1937-03-23 Gen Electric Combined volume and bass tone compensation control device
US2847519A (en) * 1956-02-27 1958-08-12 Rca Corp Stabilized transistor signal amplifier circuit
US2995621A (en) * 1958-03-24 1961-08-08 Rca Corp Automatic gain control system
US3169222A (en) * 1960-12-30 1965-02-09 Rca Corp Double-emitter transistor circuits
US3349331A (en) * 1964-05-13 1967-10-24 Motorola Inc Distortionless volume-tone control circuit

Also Published As

Publication number Publication date
US3452282A (en) 1969-06-24

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