NL7503948A - AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL. - Google Patents

AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL.

Info

Publication number
NL7503948A
NL7503948A NL7503948A NL7503948A NL7503948A NL 7503948 A NL7503948 A NL 7503948A NL 7503948 A NL7503948 A NL 7503948A NL 7503948 A NL7503948 A NL 7503948A NL 7503948 A NL7503948 A NL 7503948A
Authority
NL
Netherlands
Prior art keywords
motor speed
volume control
audio amplifier
speed dependent
dependent volume
Prior art date
Application number
NL7503948A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7503948A priority Critical patent/NL7503948A/en
Priority to DE19762612055 priority patent/DE2612055A1/en
Priority to GB1295276A priority patent/GB1522421A/en
Priority to JP3669776A priority patent/JPS51123042A/en
Priority to FR7609605A priority patent/FR2306568A1/en
Publication of NL7503948A publication Critical patent/NL7503948A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
NL7503948A 1975-04-03 1975-04-03 AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL. NL7503948A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7503948A NL7503948A (en) 1975-04-03 1975-04-03 AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL.
DE19762612055 DE2612055A1 (en) 1975-04-03 1976-03-22 SOUND AMPLIFIER ARRANGEMENT WITH A VOLUME CONTROL DEPENDING ON THE ENGINE SPEED
GB1295276A GB1522421A (en) 1975-04-03 1976-03-31 Audioamplifier control for motor vehicles
JP3669776A JPS51123042A (en) 1975-04-03 1976-04-01 Audio amplifier device
FR7609605A FR2306568A1 (en) 1975-04-03 1976-04-02 LOW FREQUENCY AMPLIFIER EQUIPPED WITH A VOLUME REGULATION DEPENDING ON THE SPEED OF AN ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7503948A NL7503948A (en) 1975-04-03 1975-04-03 AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL.

Publications (1)

Publication Number Publication Date
NL7503948A true NL7503948A (en) 1976-10-05

Family

ID=19823506

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7503948A NL7503948A (en) 1975-04-03 1975-04-03 AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL.

Country Status (5)

Country Link
JP (1) JPS51123042A (en)
DE (1) DE2612055A1 (en)
FR (1) FR2306568A1 (en)
GB (1) GB1522421A (en)
NL (1) NL7503948A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438376A1 (en) * 1978-10-05 1980-04-30 Thomson Brandt Sound level control for motor vehicle radio - uses control signal generated by ignition coil contact breaker terminal to increase level with increasing speed
DE2945783C2 (en) * 1979-11-13 1986-07-31 Fricke, Jobst Peter, Prof. Dr., 5000 Köln Sound signal amplifier circuit
JP2654948B2 (en) * 1987-07-31 1997-09-17 スズキ株式会社 Outboard motor audio alarm output device
JPH032720U (en) * 1989-05-29 1991-01-11
GB2256102A (en) * 1991-05-24 1992-11-25 Robin Middlemass Howie Automatic level controller for in-vehicle sound system
US5677960A (en) * 1995-05-11 1997-10-14 Victor Company Of Japan, Ltd. On-vehicle sound control apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2191823A5 (en) * 1972-06-28 1974-02-01 Vincent Alain

Also Published As

Publication number Publication date
FR2306568A1 (en) 1976-10-29
GB1522421A (en) 1978-08-23
DE2612055A1 (en) 1976-10-14
JPS51123042A (en) 1976-10-27

Similar Documents

Publication Publication Date Title
NL7605517A (en) DEVICE FOR CONTROLLING THE SPEED OF A VEHICLE.
NL7512937A (en) DEVICE FOR DIVIDING THE CENTRAL CHANNEL FOR STEREOPHONE CINEMA SOUND.
SE394146B (en) SATURATION DEVICE RESP CONTROL OF A FOREMAL, IN ESPECIALLY THE SPEED OF A VEHICLE.
NL7604679A (en) DEVICE FOR CONTROLLING AN AC MOTOR.
NL7508809A (en) DEVICE FOR CONTROLLING THE SPEED OF A VEHICLE.
BE843932A (en) WERKWIJZE VOOR HET OPTEKENEN EN WEERGEVEN VAN INFORMATIE OP EEN SCHIJFVORMIGE REGISTRATIEDRAGER EN INRICHTING VOOR HET UITVOEREN VAN DEZE WERKWIJZE
BE848916A (en) TWEEDIMENSIONALE STRAALPIJP VAN HET KLEPTYPE,
NL181864C (en) DEVICE FOR DRIVING MOVABLE PARTS WITH VARIABLE SPEED.
NL166667C (en) DEVICE FOR STACKING PLATE-SHAPED PARTS.
NL7409126A (en) DEVICE FOR MANUFACTURING SOUND REGISTRATIONS.
NL162665C (en) METHOD FOR POLYMERIZING 1-OLEGINS.
NL190208B (en) SERVO SYSTEM FOR DRIVING THE ROTATERS OF AN AXLE.
NL7608416A (en) TRUCK WITH REDUCED AIR RESISTANCE.
SE405304B (en) ACOUSTIC WAGON DEVICE
NL7707252A (en) DEVICE FOR INCREASING THE THRUST OF AN AERODYNAMIC CONTROL SURFACE.
NL146340B (en) SPEED CONTROL UNIT FOR AN ELECTRIC MOTOR.
NL149056B (en) DEVICE FOR CONTROLLING THE SPEED OF A MAGNETIZING BARR RECORDING MEDIUM.
NL7503948A (en) AUDIO AMPLIFIER WITH MOTOR SPEED DEPENDENT VOLUME CONTROL.
NL7509735A (en) PROCESS FOR POLYMERIZING ALKINES-1.
NL7611751A (en) DEVICE FOR REGULATING THE SPEED OF AN ENGINE.
NL7514165A (en) METHOD OF PURIFYING AN ANTIBIOTIC.
NL7612578A (en) DEVICE FOR REDUCING THE RESISTANCE OF AIR FOR TRUCKS.
NL179834C (en) DEVICE FOR CONTROLLING SPINES OF AN OPEN-END SPINNER.
NL7514204A (en) DEVICE FOR CONTROLLING THE STIFFNESS OF AN AXLE.
NL7613180A (en) DEVICE FOR FEEDING WIRE WITH VARIABLE SPEED.

Legal Events

Date Code Title Description
BV The patent application has lapsed