SE419687B - Ett brusreduserande system - Google Patents

Ett brusreduserande system

Info

Publication number
SE419687B
SE419687B SE7704748A SE7704748A SE419687B SE 419687 B SE419687 B SE 419687B SE 7704748 A SE7704748 A SE 7704748A SE 7704748 A SE7704748 A SE 7704748A SE 419687 B SE419687 B SE 419687B
Authority
SE
Sweden
Prior art keywords
noise reducing
reducing system
noise
reducing
Prior art date
Application number
SE7704748A
Other languages
English (en)
Other versions
SE7704748L (sv
Inventor
M Mori
K Amazawa
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
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of SE7704748L publication Critical patent/SE7704748L/sv
Publication of SE419687B publication Critical patent/SE419687B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
SE7704748A 1976-04-30 1977-04-25 Ett brusreduserande system SE419687B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4965776A JPS52132712A (en) 1976-04-30 1976-04-30 Noise deleting system

Publications (2)

Publication Number Publication Date
SE7704748L SE7704748L (sv) 1977-10-31
SE419687B true SE419687B (sv) 1981-08-17

Family

ID=12837245

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7704748A SE419687B (sv) 1976-04-30 1977-04-25 Ett brusreduserande system

Country Status (7)

Country Link
US (1) US4130805A (sv)
JP (1) JPS52132712A (sv)
DE (1) DE2719392C3 (sv)
FR (1) FR2349907A1 (sv)
GB (1) GB1563873A (sv)
NL (1) NL174107C (sv)
SE (1) SE419687B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5368901A (en) * 1976-12-02 1978-06-19 Clarion Co Ltd Noise limiting system
SE432683B (sv) * 1977-06-17 1984-04-09 Sharp Kk Storningsreducerande krets for en fm-stereomottagare
JPS5932015B2 (ja) * 1978-02-01 1984-08-06 ケイディディ株式会社 インパルス性雑音の除去方式
US4249260A (en) * 1978-07-27 1981-02-03 Fisher Charles B Noise-reducing apparatus
JPS57121345A (en) * 1981-01-20 1982-07-28 Sanyo Electric Co Ltd Pulse noise eliminating circuit
JPS6341762Y2 (sv) * 1981-03-02 1988-11-02
JPS605692A (ja) * 1983-06-24 1985-01-12 Victor Co Of Japan Ltd 映像信号処理装置
FR2618625B1 (fr) * 1987-07-24 1989-11-24 Labo Electronique Physique Dispositif d'amelioration du decodage de signaux numeriques lors de transmissions en modulation de frequence
JPH0638635B2 (ja) * 1987-12-31 1994-05-18 日本テレビ放送網株式会社 テレビジョン信号の送信装置
US5014351A (en) * 1989-06-05 1991-05-07 Motorola, Inc. Method and apparatus for reducing alternator noise

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959316A (en) * 1961-03-14 1964-05-27 Standard Telephones Cables Ltd Improvements in or relating to signal transmission apparatus
US3213450A (en) * 1962-12-21 1965-10-19 Gen Electric Undesired signal canceller
IT999503B (it) * 1966-10-13 1976-03-10 Cit Alcatel Dispositivo per migliorare il rap porto segnale rumore di segnali captati da antenne a piu elementi
US3611145A (en) * 1968-08-05 1971-10-05 Lummus Co Method and apparatus for the suppression of noise in process control systems
NL145420B (nl) * 1969-10-25 1975-03-17 Philips Nv Schakeling voor het onderdrukken van storingen in een fm radio-ontvanger.
DE2243411B2 (de) * 1972-09-04 1978-01-19 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zum unterdruecken von stoerungen in einem elektrischen signal
US3851253A (en) * 1973-05-25 1974-11-26 Motorola Inc Automatically adjustable fm receiver squelch
JPS50102218A (sv) * 1974-01-09 1975-08-13
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
US3978412A (en) * 1975-05-02 1976-08-31 Rockwell International Corporation Radio receiver noise suppression

Also Published As

Publication number Publication date
GB1563873A (en) 1980-04-02
DE2719392A1 (de) 1977-11-03
DE2719392C3 (de) 1984-08-02
NL174107B (nl) 1983-11-16
JPS52132712A (en) 1977-11-07
FR2349907A1 (fr) 1977-11-25
JPS569804B2 (sv) 1981-03-04
US4130805A (en) 1978-12-19
NL7704683A (nl) 1977-11-01
SE7704748L (sv) 1977-10-31
DE2719392B2 (de) 1980-01-31
FR2349907B1 (sv) 1981-02-06
NL174107C (nl) 1984-04-16

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