IT7819679A0 - Ricevitore per automobili in dispositivo circuitale per funzione del rumore di marcia. l'adattamento del volume di un - Google Patents

Ricevitore per automobili in dispositivo circuitale per funzione del rumore di marcia. l'adattamento del volume di un

Info

Publication number
IT7819679A0
IT7819679A0 IT7819679A IT1967978A IT7819679A0 IT 7819679 A0 IT7819679 A0 IT 7819679A0 IT 7819679 A IT7819679 A IT 7819679A IT 1967978 A IT1967978 A IT 1967978A IT 7819679 A0 IT7819679 A0 IT 7819679A0
Authority
IT
Italy
Prior art keywords
adaptation
volume
circuit device
running noise
noise function
Prior art date
Application number
IT7819679A
Other languages
English (en)
Other versions
IT1092358B (it
Original Assignee
Bottcher Peter
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
Priority claimed from DE2703249A external-priority patent/DE2703249C2/de
Application filed by Bottcher Peter filed Critical Bottcher Peter
Publication of IT7819679A0 publication Critical patent/IT7819679A0/it
Application granted granted Critical
Publication of IT1092358B publication Critical patent/IT1092358B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
IT19679/78A 1977-01-27 1978-01-26 Dispositivo circuitale per l'adattamento del volume di un ricevitore per automobili in funzione del rumore di marcia IT1092358B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2703249A DE2703249C2 (de) 1977-01-27 1977-01-27 Schaltungsanordnung zur Anpassung der Lautstärke eines Autoempfängers in Abhängigkeit vom Fahrgeräusch

Publications (2)

Publication Number Publication Date
IT7819679A0 true IT7819679A0 (it) 1978-01-26
IT1092358B IT1092358B (it) 1985-07-12

Family

ID=5999638

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19679/78A IT1092358B (it) 1977-01-27 1978-01-26 Dispositivo circuitale per l'adattamento del volume di un ricevitore per automobili in funzione del rumore di marcia

Country Status (9)

Country Link
US (1) US4179667A (it)
JP (1) JPS5395557A (it)
AT (1) AT377134B (it)
BE (1) BE863333A (it)
CH (1) CH616033A5 (it)
DK (1) DK24778A (it)
FR (1) FR2379194A1 (it)
GB (1) GB1564282A (it)
IT (1) IT1092358B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644974A5 (de) * 1979-02-09 1984-08-31 Blaupunkt Werke Gmbh Schaltungsanordnung zum selbsttaetigen anpassen der lautstaerke mindestens eines lautsprechers an einen am lautsprecherort herrschenden stoergeraeuschpegel fuer rundfunkempfaenger.
GB2123230B (en) * 1982-04-28 1986-03-26 Pioneer Electronic Corp Automatic sound volume control device
JPH054334Y2 (it) * 1985-07-16 1993-02-03
DE3830423A1 (de) * 1987-11-25 1989-06-08 Pioneer Electronic Corp Mobiles geraet mit automatischer lautstaerkeregelung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035263A (en) * 1933-05-26 1936-03-24 Bell Telephone Labor Inc Volume control system
US2409058A (en) * 1944-12-18 1946-10-08 Galvin Mfg Corp Control system for wave-signal receivers
US2501327A (en) * 1946-12-06 1950-03-21 Rca Corp Noise operated automatic volume control
US3021489A (en) * 1959-12-14 1962-02-13 Gen Dynamics Corp Double time-constant agc for speech amplifier
DE2522381A1 (de) * 1975-05-21 1976-12-02 Battelle Institut E V Verfahren und schaltungsanordnung zur anpassung der autoradiolautstaerke an die umgebungsgeraeusche
DE2525175A1 (de) * 1975-06-06 1976-12-30 Blaupunkt Werke Gmbh Schaltungsanordnung zur anpassung der lautstaerke an einen geraeuschpegel

Also Published As

Publication number Publication date
IT1092358B (it) 1985-07-12
ATA14178A (de) 1984-06-15
BE863333A (fr) 1978-05-16
FR2379194B1 (it) 1984-10-12
GB1564282A (en) 1980-04-02
AT377134B (de) 1985-02-11
DK24778A (da) 1978-07-28
FR2379194A1 (fr) 1978-08-25
CH616033A5 (it) 1980-02-29
US4179667A (en) 1979-12-18
JPS5395557A (en) 1978-08-21

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