CA950972A - Muting arrangement - Google Patents

Muting arrangement

Info

Publication number
CA950972A
CA950972A CA104,359,A CA104359A CA950972A CA 950972 A CA950972 A CA 950972A CA 104359 A CA104359 A CA 104359A CA 950972 A CA950972 A CA 950972A
Authority
CA
Canada
Prior art keywords
muting arrangement
muting
arrangement
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
CA104,359,A
Other languages
English (en)
Other versions
CA104359S (en
Inventor
Stephen W. Watkinson
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.)
Pye Electronic Products Ltd
Original Assignee
Pye 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 Pye Ltd filed Critical Pye Ltd
Application granted granted Critical
Publication of CA950972A publication Critical patent/CA950972A/en
Expired 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
    • H03G3/34—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
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)
CA104,359,A 1970-02-05 1971-02-03 Muting arrangement Expired CA950972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5515/70A GB1237517A (en) 1970-02-05 1970-02-05 Muting arrangement for a communication system

Publications (1)

Publication Number Publication Date
CA950972A true CA950972A (en) 1974-07-09

Family

ID=9797666

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104,359,A Expired CA950972A (en) 1970-02-05 1971-02-03 Muting arrangement

Country Status (9)

Country Link
US (1) US3728634A (xx)
JP (1) JPS5537134B1 (xx)
BE (1) BE762491A (xx)
CA (1) CA950972A (xx)
DE (1) DE2104397A1 (xx)
FR (1) FR2079253B1 (xx)
GB (1) GB1237517A (xx)
NL (1) NL7101262A (xx)
SE (1) SE369995B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230309A (en) * 1975-09-03 1977-03-08 Nippon Gakki Seizo Kk Tuner
US4025853A (en) * 1976-02-12 1977-05-24 Bell Telephone Laboratories, Incorporated Method and apparatus for radio system cochannel interference suppression
US4008439A (en) * 1976-02-20 1977-02-15 Bell Telephone Laboratories, Incorporated Processing of two noise contaminated, substantially identical signals to improve signal-to-noise ratio
DE2628997C3 (de) * 1976-06-28 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zum Empfang frequenzmodulierter digitaler Nachrichtensignale
DE2905471B1 (de) * 1979-02-13 1980-02-21 Siemens Ag System zum Empfang frequenzmodulierter digitaler Nachrichtensignale
JPS5416108A (en) * 1977-07-07 1979-02-06 Pioneer Electronic Corp Receiver antenna input circuit
US4310722A (en) * 1978-11-09 1982-01-12 Bell Telephone Laboratories, Incorporated Mobile radiotelephone station two-way ranging system
US4398304A (en) * 1979-04-30 1983-08-09 Masco Corporation Scanning radio receiver including detector circuit for AM and FM reception
DE3008076C2 (de) * 1980-03-03 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Empfängerabschaltung bei kleinem Signal-Geräusch-Abstand für ein digital moduliertes Funksystem mit Frequenzmodulation
US4359780A (en) * 1980-08-06 1982-11-16 Motorola, Inc. (Corporate Offices) High speed squelch circuit
CA1196966A (en) * 1982-03-23 1985-11-19 Kouzou Kage Interference wave detection circuit for use in radio receiver
FR2547138B1 (fr) * 1983-06-01 1985-07-12 Trt Telecom Radio Electr Dispositif de silencieux pour recepteur radio am/fm
JPS60117081U (ja) * 1984-01-12 1985-08-07 株式会社貝印刃物開発センター 調理用具等における中子と柄との間の着脱構造
US4674121A (en) * 1984-09-18 1987-06-16 Nec Corporation Circuit for detecting the level of noise in FM signal for use in AM/FM receiver
DE102007037105A1 (de) * 2007-05-09 2008-11-13 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Detektion von simultaner Doppelaussendung von AM-Signalen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US437937A (en) * 1890-10-07 To james h
GB808461A (en) * 1957-03-04 1959-02-04 Standard Telephones Cables Ltd Improvements in or relating to radio telegraph systems
DE1616576B1 (de) * 1962-03-29 1969-10-16 Telefunken Patent Funkeinrichtung mit mindestens zwei Sendern und mindestens einem insbesondere beweglichen Empfänger
US3334187A (en) * 1965-05-24 1967-08-01 Motorola Inc Search tuning apparatus for am, fm and fm stereo
US3482174A (en) * 1966-06-17 1969-12-02 Bendix Corp Pulse sample type demodulator including feedback stabilizing means
US3437937A (en) * 1966-08-08 1969-04-08 Wilcox Electric Co Inc Digital squelch system
JPS449052Y1 (xx) * 1966-09-26 1969-04-14
US3543165A (en) * 1967-10-02 1970-11-24 Motorola Inc Transistor switch circuit responsive to change in direct current voltage
US3550012A (en) * 1968-09-10 1970-12-22 Tram Corp Squelch system
US3569840A (en) * 1968-10-04 1971-03-09 Collins Radio Co Of Canada Ltd Carrier squelch scheme

Also Published As

Publication number Publication date
FR2079253A1 (xx) 1971-11-12
JPS5537134B1 (xx) 1980-09-26
BE762491A (fr) 1971-08-03
GB1237517A (en) 1971-06-30
NL7101262A (xx) 1971-08-09
DE2104397A1 (de) 1971-08-12
US3728634A (en) 1973-04-17
FR2079253B1 (xx) 1976-05-28
SE369995B (xx) 1974-09-23

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