FR1371537A - Système double de réglage silencieux pour radio-récepteur - Google Patents

Système double de réglage silencieux pour radio-récepteur

Info

Publication number
FR1371537A
FR1371537A FR949744A FR949744A FR1371537A FR 1371537 A FR1371537 A FR 1371537A FR 949744 A FR949744 A FR 949744A FR 949744 A FR949744 A FR 949744A FR 1371537 A FR1371537 A FR 1371537A
Authority
FR
France
Prior art keywords
dual
radio receiver
tuning system
silent tuning
silent
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
FR949744A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 US230881A external-priority patent/US3250999A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Priority to FR949744A priority Critical patent/FR1371537A/fr
Application granted granted Critical
Publication of FR1371537A publication Critical patent/FR1371537A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/022Selective call receivers
    • H04W88/025Selective call decoders
    • H04W88/027Selective call decoders using frequency address codes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/005Control by a pilot signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/22Automatic control in amplifiers having discharge tubes
    • H03G3/26Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting 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
    • H03G3/344Muting responsive to the amount of noise (noise squelch)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR949744A 1962-10-16 1963-10-07 Système double de réglage silencieux pour radio-récepteur Expired FR1371537A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR949744A FR1371537A (fr) 1962-10-16 1963-10-07 Système double de réglage silencieux pour radio-récepteur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US230881A US3250999A (en) 1962-10-16 1962-10-16 Dual squelch
FR949744A FR1371537A (fr) 1962-10-16 1963-10-07 Système double de réglage silencieux pour radio-récepteur

Publications (1)

Publication Number Publication Date
FR1371537A true FR1371537A (fr) 1964-09-04

Family

ID=26203754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949744A Expired FR1371537A (fr) 1962-10-16 1963-10-07 Système double de réglage silencieux pour radio-récepteur

Country Status (1)

Country Link
FR (1) FR1371537A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194084A1 (fr) * 1972-07-21 1974-02-22 Rca Corp
DE2513344A1 (de) * 1975-03-26 1976-09-30 Blaupunkt Werke Gmbh Fernsehempfaenger, insbesondere zum empfang von mittels kabel uebertragenen fernsehsendungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194084A1 (fr) * 1972-07-21 1974-02-22 Rca Corp
DE2513344A1 (de) * 1975-03-26 1976-09-30 Blaupunkt Werke Gmbh Fernsehempfaenger, insbesondere zum empfang von mittels kabel uebertragenen fernsehsendungen

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