FR2486736A1 - Radio-recepteur - Google Patents

Radio-recepteur Download PDF

Info

Publication number
FR2486736A1
FR2486736A1 FR8113716A FR8113716A FR2486736A1 FR 2486736 A1 FR2486736 A1 FR 2486736A1 FR 8113716 A FR8113716 A FR 8113716A FR 8113716 A FR8113716 A FR 8113716A FR 2486736 A1 FR2486736 A1 FR 2486736A1
Authority
FR
France
Prior art keywords
volume
radio receiver
voltage
tuning
circuit
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.)
Granted
Application number
FR8113716A
Other languages
English (en)
French (fr)
Other versions
FR2486736B1 (sv
Inventor
Kazuo Watanabe
Shigeru Yamada
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
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 Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of FR2486736A1 publication Critical patent/FR2486736A1/fr
Application granted granted Critical
Publication of FR2486736B1 publication Critical patent/FR2486736B1/fr
Granted 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • 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
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • 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
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
FR8113716A 1980-07-14 1981-07-10 Radio-recepteur Granted FR2486736A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9803480U JPS5723009U (sv) 1980-07-14 1980-07-14

Publications (2)

Publication Number Publication Date
FR2486736A1 true FR2486736A1 (fr) 1982-01-15
FR2486736B1 FR2486736B1 (sv) 1984-06-22

Family

ID=14208740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8113716A Granted FR2486736A1 (fr) 1980-07-14 1981-07-10 Radio-recepteur

Country Status (6)

Country Link
JP (1) JPS5723009U (sv)
DE (1) DE3127815A1 (sv)
FR (1) FR2486736A1 (sv)
GB (1) GB2081541A (sv)
NL (1) NL8103330A (sv)
SE (1) SE8104323L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537837C1 (de) * 1985-10-24 1987-02-19 Philips Patentverwaltung Schaltungsanordnung zur Stoergeraeuschunterdrueckung bei auf Minimum eingestellter Lautstaerke eines Niederfrequenzverstaerkers
EP0590706A1 (en) * 1992-10-01 1994-04-06 Delco Electronics Corporation Amplifier apparatus
US5440702A (en) * 1992-10-16 1995-08-08 Delco Electronics Corporation Data processing system with condition code architecture for executing single instruction range checking and limiting operations

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882400A (en) * 1972-11-27 1975-05-06 Sony Corp Broadcast receiver
FR2329111A1 (fr) * 1975-10-21 1977-05-20 Licentia Gmbh Reduction des perturbations de recepteurs radioelectriques produites par des commutations
GB2004152A (en) * 1977-09-12 1979-03-21 Motorola Inc Electrically tunable inductor and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535584A (en) * 1978-09-06 1980-03-12 Matsushita Electric Ind Co Ltd Sound volume controller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882400A (en) * 1972-11-27 1975-05-06 Sony Corp Broadcast receiver
FR2329111A1 (fr) * 1975-10-21 1977-05-20 Licentia Gmbh Reduction des perturbations de recepteurs radioelectriques produites par des commutations
GB2004152A (en) * 1977-09-12 1979-03-21 Motorola Inc Electrically tunable inductor and method

Also Published As

Publication number Publication date
NL8103330A (nl) 1982-02-01
JPS5723009U (sv) 1982-02-05
GB2081541A (en) 1982-02-17
FR2486736B1 (sv) 1984-06-22
SE8104323L (sv) 1982-01-15
DE3127815A1 (de) 1982-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse