GB1603391A - Noise elimination circuits - Google Patents

Noise elimination circuits Download PDF

Info

Publication number
GB1603391A
GB1603391A GB21009/78A GB2100978A GB1603391A GB 1603391 A GB1603391 A GB 1603391A GB 21009/78 A GB21009/78 A GB 21009/78A GB 2100978 A GB2100978 A GB 2100978A GB 1603391 A GB1603391 A GB 1603391A
Authority
GB
United Kingdom
Prior art keywords
switch
phase
circuit
noise
input signal
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
GB21009/78A
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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 JP11470077A external-priority patent/JPS5448469A/ja
Priority claimed from JP1631378A external-priority patent/JPH0230211B2/ja
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of GB1603391A publication Critical patent/GB1603391A/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
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Noise Elimination (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
GB21009/78A 1977-09-26 1978-05-22 Noise elimination circuits Expired GB1603391A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11470077A JPS5448469A (en) 1977-09-26 1977-09-26 Noise eliminating circuit
JP1631378A JPH0230211B2 (ja) 1978-02-15 1978-02-15 Zatsuonjokyokairo

Publications (1)

Publication Number Publication Date
GB1603391A true GB1603391A (en) 1981-11-25

Family

ID=26352631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21009/78A Expired GB1603391A (en) 1977-09-26 1978-05-22 Noise elimination circuits

Country Status (5)

Country Link
DE (1) DE2828414A1 (enrdf_load_stackoverflow)
FR (1) FR2404336A1 (enrdf_load_stackoverflow)
GB (1) GB1603391A (enrdf_load_stackoverflow)
NL (1) NL190039C (enrdf_load_stackoverflow)
SE (1) SE436159B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5514734A (en) * 1978-07-17 1980-02-01 Nec Corp Pulse noise elimination circuit
US4311963A (en) * 1978-07-18 1982-01-19 Matsushita Electric Industrial Co., Ltd. Noise pulse suppressing system
US4232340A (en) * 1979-06-01 1980-11-04 Rca Corporation Defect compensation for color television
DE3028334C2 (de) * 1980-07-25 1983-01-05 Polygram Gmbh, 2000 Hamburg Verfahren zum Beseitigen oder Unterdrücken von akustischen Störsignalen bei für den Wiedergabevorgang aufzubereitenden Audioprogrammen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE757970A (fr) * 1969-10-25 1971-04-23 Philips Nv Circuit permettant de supprimer des parasites dans un recepteurde signaux electriques
BE758331A (fr) * 1969-11-01 1971-04-30 Philips Nv Circuit permettant de supprimer des parasites dans un recepteurde signaux electriques
US3689845A (en) * 1969-11-01 1972-09-05 Philips Corp Circuit arrangement for suppressing interferences in a receiver of electrical signals
US3588705A (en) * 1969-11-12 1971-06-28 Nasa Frequency-modulation demodulator threshold extension device
US3983488A (en) * 1974-06-17 1976-09-28 California Microwave, Inc. Frequency-modulation demodulator threshold extension device
US3947636A (en) * 1974-08-12 1976-03-30 Edgar Albert D Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment

Also Published As

Publication number Publication date
DE2828414C2 (enrdf_load_stackoverflow) 1988-09-08
DE2828414A1 (de) 1979-04-05
NL190039B (nl) 1993-05-03
SE436159B (sv) 1984-11-12
SE7810016L (sv) 1979-03-27
NL7809717A (nl) 1979-03-28
FR2404336B1 (enrdf_load_stackoverflow) 1983-11-25
FR2404336A1 (fr) 1979-04-20
NL190039C (nl) 1993-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930522