JPS56142125U - - Google Patents

Info

Publication number
JPS56142125U
JPS56142125U JP3987880U JP3987880U JPS56142125U JP S56142125 U JPS56142125 U JP S56142125U JP 3987880 U JP3987880 U JP 3987880U JP 3987880 U JP3987880 U JP 3987880U JP S56142125 U JPS56142125 U JP S56142125U
Authority
JP
Japan
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
JP3987880U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP3987880U priority Critical patent/JPS56142125U/ja
Priority to FR8105871A priority patent/FR2479615A1/fr
Priority to GB8109233A priority patent/GB2073517A/en
Priority to DE19813111825 priority patent/DE3111825A1/de
Publication of JPS56142125U publication Critical patent/JPS56142125U/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

  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
JP3987880U 1980-03-25 1980-03-25 Pending JPS56142125U ( )

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3987880U JPS56142125U ( ) 1980-03-25 1980-03-25
FR8105871A FR2479615A1 (fr) 1980-03-25 1981-03-24 Appareil recepteur tel qu'un radio-recepteur ou un transceiver
GB8109233A GB2073517A (en) 1980-03-25 1981-03-24 Receiving apparatus
DE19813111825 DE3111825A1 (de) 1980-03-25 1981-03-25 Empfaengervorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3987880U JPS56142125U ( ) 1980-03-25 1980-03-25

Publications (1)

Publication Number Publication Date
JPS56142125U true JPS56142125U ( ) 1981-10-27

Family

ID=12565235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3987880U Pending JPS56142125U ( ) 1980-03-25 1980-03-25

Country Status (4)

Country Link
JP (1) JPS56142125U ( )
DE (1) DE3111825A1 ( )
FR (1) FR2479615A1 ( )
GB (1) GB2073517A ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105417A (ja) * 1984-10-29 1986-05-23 Mitsubishi Electric Corp 距離計測装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123230B (en) * 1982-04-28 1986-03-26 Pioneer Electronic Corp Automatic sound volume control device
GB2182529A (en) * 1985-10-30 1987-05-13 Philips Electronic Associated Digital communication of analogue signals
GB8725240D0 (en) * 1987-10-28 1987-12-02 Thomas I G Differential volume adjusters
GB2256102A (en) * 1991-05-24 1992-11-25 Robin Middlemass Howie Automatic level controller for in-vehicle sound system
FR2714510B1 (fr) * 1993-12-29 1996-03-01 Serge Pierre Installation de détection et limitation de sons d'origine musicale dans des locaux à usage public ou privé.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029141A (en) * 1978-08-26 1980-03-12 Viva Co Gain control arrangements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105417A (ja) * 1984-10-29 1986-05-23 Mitsubishi Electric Corp 距離計測装置

Also Published As

Publication number Publication date
DE3111825A1 (de) 1982-02-18
FR2479615A1 (fr) 1981-10-02
GB2073517A (en) 1981-10-14

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