FR1370891A - Improvements in noise suppression devices in radio communications receivers - Google Patents

Improvements in noise suppression devices in radio communications receivers

Info

Publication number
FR1370891A
FR1370891A FR943425A FR943425A FR1370891A FR 1370891 A FR1370891 A FR 1370891A FR 943425 A FR943425 A FR 943425A FR 943425 A FR943425 A FR 943425A FR 1370891 A FR1370891 A FR 1370891A
Authority
FR
France
Prior art keywords
noise suppression
radio communications
suppression devices
communications receivers
receivers
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
FR943425A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR943425A priority Critical patent/FR1370891A/en
Application granted granted Critical
Publication of FR1370891A publication Critical patent/FR1370891A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
    • H03G3/26—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
FR943425A 1963-08-01 1963-08-01 Improvements in noise suppression devices in radio communications receivers Expired FR1370891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR943425A FR1370891A (en) 1963-08-01 1963-08-01 Improvements in noise suppression devices in radio communications receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943425A FR1370891A (en) 1963-08-01 1963-08-01 Improvements in noise suppression devices in radio communications receivers

Publications (1)

Publication Number Publication Date
FR1370891A true FR1370891A (en) 1964-08-28

Family

ID=8809686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943425A Expired FR1370891A (en) 1963-08-01 1963-08-01 Improvements in noise suppression devices in radio communications receivers

Country Status (1)

Country Link
FR (1) FR1370891A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396473A1 (en) * 1977-06-27 1979-01-26 Motorola Inc NOISE SUPPRESSION CIRCUIT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396473A1 (en) * 1977-06-27 1979-01-26 Motorola Inc NOISE SUPPRESSION CIRCUIT

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