GB2042295A - Control of a source of desired sound - Google Patents

Control of a source of desired sound Download PDF

Info

Publication number
GB2042295A
GB2042295A GB8004079A GB8004079A GB2042295A GB 2042295 A GB2042295 A GB 2042295A GB 8004079 A GB8004079 A GB 8004079A GB 8004079 A GB8004079 A GB 8004079A GB 2042295 A GB2042295 A GB 2042295A
Authority
GB
United Kingdom
Prior art keywords
source
sound
desired sound
external parameter
stage
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.)
Withdrawn
Application number
GB8004079A
Other languages
English (en)
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.)
Eller F D
Original Assignee
Eller F D
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 Eller F D filed Critical Eller F D
Publication of GB2042295A publication Critical patent/GB2042295A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—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

Landscapes

  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB8004079A 1979-02-16 1980-02-07 Control of a source of desired sound Withdrawn GB2042295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792906072 DE2906072A1 (de) 1979-02-16 1979-02-16 Verfahren und einrichtung zur steuerung einer nutzschallquelle

Publications (1)

Publication Number Publication Date
GB2042295A true GB2042295A (en) 1980-09-17

Family

ID=6063127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8004079A Withdrawn GB2042295A (en) 1979-02-16 1980-02-07 Control of a source of desired sound

Country Status (5)

Country Link
JP (1) JPS55113097A (enrdf_load_stackoverflow)
DE (1) DE2906072A1 (enrdf_load_stackoverflow)
FR (1) FR2449364A1 (enrdf_load_stackoverflow)
GB (1) GB2042295A (enrdf_load_stackoverflow)
IT (1) IT1140556B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257317A (en) * 1991-06-26 1993-01-06 Damian Rupert Lindley Automatic volume control for car stereo
EP1744450A1 (en) * 2005-07-14 2007-01-17 Harman Becker Automotive Systems GmbH Electronic device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520915A (en) * 1938-11-04 1940-05-07 Kolster Brandes Ltd Improvements in or relating to sound reproducing apparatus such as radio receivers
JPS4940048A (enrdf_load_stackoverflow) * 1972-08-16 1974-04-15
GB1518574A (en) * 1976-06-02 1978-07-19 Mueller U Sound reproducing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257317A (en) * 1991-06-26 1993-01-06 Damian Rupert Lindley Automatic volume control for car stereo
EP1744450A1 (en) * 2005-07-14 2007-01-17 Harman Becker Automotive Systems GmbH Electronic device

Also Published As

Publication number Publication date
FR2449364A1 (fr) 1980-09-12
JPS55113097A (en) 1980-09-01
IT1140556B (it) 1986-10-01
FR2449364B1 (enrdf_load_stackoverflow) 1983-05-27
DE2906072A1 (de) 1980-08-21
IT8019849A0 (it) 1980-02-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)