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ES385066A1 - Suppressing interference in receivers of electrical signals - Google Patents

Suppressing interference in receivers of electrical signals

Info

Publication number
ES385066A1
ES385066A1 ES385066A ES385066A ES385066A1 ES 385066 A1 ES385066 A1 ES 385066A1 ES 385066 A ES385066 A ES 385066A ES 385066 A ES385066 A ES 385066A ES 385066 A1 ES385066 A1 ES 385066A1
Authority
ES
Spain
Prior art keywords
circuit
discriminated
output
pulse
pulse former
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
ES385066A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES385066A1 publication Critical patent/ES385066A1/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
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

A circuit arrangement for interference suppression in an electrical signal receiver, the circuit arrangement of which includes a signal detector and an interference detector, the output signal from the signal detector being applied, via a discriminated-pass circuit, to a storage capacitor and controlling the output signal from the interference detector a first pulse former whose output pulses block the discriminated through circuit during the occurrence of an interference pulse, characterized by a second pulse former that is operated by the first pulse former as soon as the pulse from the first pulse former terminates, modulating means to vary the amplitudes of the output pulses from the second pulse former proportionally to the voltage change that occurs in the voltage output circ discriminated throughput when this circuit is released and means for combining the output voltage of the discriminated through circuit and the output pulses from said modulation means. (Machine-translation by Google Translate, not legally binding)
ES385066A 1969-11-01 1970-10-30 Suppressing interference in receivers of electrical signals Expired ES385066A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6916498A NL6916498A (en) 1969-11-01 1969-11-01

Publications (1)

Publication Number Publication Date
ES385066A1 true ES385066A1 (en) 1973-03-16

Family

ID=19808285

Family Applications (1)

Application Number Title Priority Date Filing Date
ES385066A Expired ES385066A1 (en) 1969-11-01 1970-10-30 Suppressing interference in receivers of electrical signals

Country Status (8)

Country Link
JP (1) JPS4942403B1 (en)
BE (1) BE758331A (en)
CA (1) CA933599A (en)
DE (1) DE2051891C3 (en)
ES (1) ES385066A1 (en)
FR (1) FR2066932B1 (en)
GB (1) GB1312935A (en)
NL (1) NL6916498A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1000292B (en) * 1973-12-11 1976-03-30 Autovox Spa ANTI-INTERFERENCE CIRCUIT IN PARTICULAR FOR A FREQUENCY MODULATION RECEIVER
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
GB1603391A (en) * 1977-09-26 1981-11-25 Clarion Co Ltd Noise elimination circuits
EP0018702A1 (en) * 1979-04-30 1980-11-12 Motorola, Inc. Improvements in and relating to noise blanking circuitry in a radio receiver
US4352207A (en) * 1980-04-18 1982-09-28 R.F. Technical Products, Inc. Noise suppression circuit
FR2538645B1 (en) * 1982-12-28 1986-04-11 Thomson Csf METHOD AND DEVICE FOR INTERPOLATING SPEECH IN A DIGITAL SPEECH TRANSMISSION SYSTEM
US4531095A (en) 1983-03-07 1985-07-23 Victor Company Of Japan, Limited Impulse noise reduction by linear interpolation having immunity to white noise
US4532475A (en) * 1983-03-09 1985-07-30 Victor Company Of Japan, Limited Impulse noise reduction by linear interpolation having a deemphasis characteristic

Also Published As

Publication number Publication date
CA933599A (en) 1973-09-11
FR2066932A1 (en) 1971-08-13
GB1312935A (en) 1973-04-11
FR2066932B1 (en) 1974-06-28
JPS4942403B1 (en) 1974-11-14
BE758331A (en) 1971-04-30
DE2051891A1 (en) 1971-05-13
DE2051891C3 (en) 1979-02-22
NL6916498A (en) 1971-05-04
DE2051891B2 (en) 1978-07-06

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