JPS55113097A - Method and device for controlling usable sound generator source - Google Patents

Method and device for controlling usable sound generator source

Info

Publication number
JPS55113097A
JPS55113097A JP1669780A JP1669780A JPS55113097A JP S55113097 A JPS55113097 A JP S55113097A JP 1669780 A JP1669780 A JP 1669780A JP 1669780 A JP1669780 A JP 1669780A JP S55113097 A JPS55113097 A JP S55113097A
Authority
JP
Japan
Prior art keywords
sound generator
generator source
usable sound
controlling
controlling usable
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.)
Pending
Application number
JP1669780A
Other languages
English (en)
Japanese (ja)
Inventor
Deiiteru Erureru Furitsutsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS55113097A publication Critical patent/JPS55113097A/ja
Pending 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)
JP1669780A 1979-02-16 1980-02-15 Method and device for controlling usable sound generator source Pending JPS55113097A (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
JPS55113097A true JPS55113097A (en) 1980-09-01

Family

ID=6063127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1669780A Pending JPS55113097A (en) 1979-02-16 1980-02-15 Method and device for controlling usable sound generator source

Country Status (5)

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

Families Citing this family (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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940048A (enrdf_load_html_response) * 1972-08-16 1974-04-15

Family Cites Families (2)

* 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
GB1518574A (en) * 1976-06-02 1978-07-19 Mueller U Sound reproducing system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940048A (enrdf_load_html_response) * 1972-08-16 1974-04-15

Also Published As

Publication number Publication date
FR2449364B1 (enrdf_load_html_response) 1983-05-27
DE2906072A1 (de) 1980-08-21
GB2042295A (en) 1980-09-17
FR2449364A1 (fr) 1980-09-12
IT8019849A0 (it) 1980-02-12
IT1140556B (it) 1986-10-01

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