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GB2111334B - Am fm radio receiver incorporating a muting circuit - Google Patents

Am fm radio receiver incorporating a muting circuit

Info

Publication number
GB2111334B
GB2111334B GB08229214A GB8229214A GB2111334B GB 2111334 B GB2111334 B GB 2111334B GB 08229214 A GB08229214 A GB 08229214A GB 8229214 A GB8229214 A GB 8229214A GB 2111334 B GB2111334 B GB 2111334B
Authority
GB
United Kingdom
Prior art keywords
radio receiver
muting circuit
receiver incorporating
incorporating
muting
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.)
Expired
Application number
GB08229214A
Other versions
GB2111334A (en
Inventor
Masanori Ienaka
Yoshimi Iso
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP12798280A external-priority patent/JPS5753160A/en
Priority claimed from JP55127983A external-priority patent/JPS5753106A/en
Priority claimed from GB8126544A external-priority patent/GB2084825B/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2111334A publication Critical patent/GB2111334A/en
Application granted granted Critical
Publication of GB2111334B publication Critical patent/GB2111334B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/08—Limiting rate of change of amplitude
    • 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
GB08229214A 1980-09-17 1982-10-13 Am fm radio receiver incorporating a muting circuit Expired GB2111334B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12798280A JPS5753160A (en) 1980-09-17 1980-09-17 Radio receiving device
JP55127983A JPS5753106A (en) 1980-09-17 1980-09-17 Muting circuit
GB8126544A GB2084825B (en) 1980-09-17 1981-09-02 A muting circuit and an fm radio receiver incorporating the muting circuit

Publications (2)

Publication Number Publication Date
GB2111334A GB2111334A (en) 1983-06-29
GB2111334B true GB2111334B (en) 1984-10-31

Family

ID=27261289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08229214A Expired GB2111334B (en) 1980-09-17 1982-10-13 Am fm radio receiver incorporating a muting circuit

Country Status (1)

Country Link
GB (1) GB2111334B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535882A1 (en) * 1985-10-08 1987-04-16 Licentia Gmbh CIRCUIT ARRANGEMENT FOR SIGNAL GAIN
US4903334A (en) * 1988-05-05 1990-02-20 Thomson Consumer Electronics, Inc. System for preventing crosstalk in a multi-input electronic device
JPH04160910A (en) * 1990-10-25 1992-06-04 Pioneer Electron Corp Protective circuit

Also Published As

Publication number Publication date
GB2111334A (en) 1983-06-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940902