SE7713613L - Bruseliminerande system - Google Patents

Bruseliminerande system

Info

Publication number
SE7713613L
SE7713613L SE7713613A SE7713613A SE7713613L SE 7713613 L SE7713613 L SE 7713613L SE 7713613 A SE7713613 A SE 7713613A SE 7713613 A SE7713613 A SE 7713613A SE 7713613 L SE7713613 L SE 7713613L
Authority
SE
Sweden
Prior art keywords
signal
component
noise
storage means
stereo
Prior art date
Application number
SE7713613A
Other languages
Unknown language ( )
English (en)
Other versions
SE428855B (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 SE7713613L publication Critical patent/SE7713613L/sv
Publication of SE428855B publication Critical patent/SE428855B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • 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
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
SE7713613A 1976-12-02 1977-12-01 Storningseliminerande system SE428855B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14490276A JPS5368901A (en) 1976-12-02 1976-12-02 Noise limiting system

Publications (2)

Publication Number Publication Date
SE7713613L true SE7713613L (sv) 1978-06-03
SE428855B SE428855B (sv) 1983-07-25

Family

ID=15372957

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713613A SE428855B (sv) 1976-12-02 1977-12-01 Storningseliminerande system

Country Status (8)

Country Link
US (1) US4207432A (sv)
JP (1) JPS5368901A (sv)
AU (1) AU517103B2 (sv)
DE (1) DE2753797A1 (sv)
FR (1) FR2373196A1 (sv)
GB (1) GB1573160A (sv)
NL (1) NL7713231A (sv)
SE (1) SE428855B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217960Y2 (sv) * 1979-07-23 1987-05-08
JPS5625834A (en) * 1979-08-09 1981-03-12 Sony Corp Fm receiver
JPS57121345A (en) * 1981-01-20 1982-07-28 Sanyo Electric Co Ltd Pulse noise eliminating circuit
JPS58122223U (ja) * 1982-02-08 1983-08-19 パイオニアビデオ株式会社 ドロツプアウト補償回路
US4554679A (en) * 1983-11-15 1985-11-19 Rca Corporation Noise reduction system for a single sideband multiplex signal
JP2619719B2 (ja) * 1989-09-19 1997-06-11 日本無線株式会社 都市雑音除去回路
US8254596B2 (en) * 2008-06-12 2012-08-28 Csr Technology Inc. Method and apparatus for mute control

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868577A (en) * 1955-10-21 1975-02-25 Us Commerce Radio receiver with impulse noise reducing circuit
US3876943A (en) * 1960-02-18 1975-04-08 Us Navy Impulse noise reduction circuit
US3387222A (en) * 1965-07-01 1968-06-04 Ibm Adaptive threshold signal detector with noise suppression
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.
US3689845A (en) * 1969-11-01 1972-09-05 Philips Corp Circuit arrangement for suppressing interferences in a receiver of electrical signals
DE2152373A1 (de) * 1971-10-21 1973-04-26 Rohde & Schwarz Nf-rauschsperre
DE2427878A1 (de) * 1974-06-10 1975-12-18 Blaupunkt Werke Gmbh Schaltungsanordnung zur speicherung eines momentanwerts einer amplitude
JPS517361A (ja) * 1974-07-04 1976-01-21 Masao Moryama Roeiboshisochi
JPS52132712A (en) * 1976-04-30 1977-11-07 Clarion Co Ltd Noise deleting system
US4035729A (en) * 1976-05-21 1977-07-12 General Electric Company Audio signal quality indicating circuit

Also Published As

Publication number Publication date
JPS5514591B2 (sv) 1980-04-17
DE2753797C2 (sv) 1992-04-23
JPS5368901A (en) 1978-06-19
FR2373196A1 (fr) 1978-06-30
AU517103B2 (en) 1981-07-09
SE428855B (sv) 1983-07-25
AU3103577A (en) 1979-06-07
DE2753797A1 (de) 1978-06-08
US4207432A (en) 1980-06-10
NL7713231A (nl) 1978-06-06
GB1573160A (en) 1980-08-13
FR2373196B1 (sv) 1983-08-19

Similar Documents

Publication Publication Date Title
JPS561698A (en) Signal converting circuit
NL7606692A (nl) Inrichting voor het verwerken van hulpsignalen in een frequentie multiplex overdrachtsstelsel.
SE7713613L (sv) Bruseliminerande system
KR910021177A (ko) 음향부가회로
DE69531348D1 (de) Phasenrauschendetektor
NL151600B (nl) Ingangsschakeling voor een ontvanger met frequentietranspositie.
JPS5296529A (en) Channel divider
JPS5242314A (en) Noise eliminating circuit
ES259754A1 (es) Un circuito convertidor de frecuencia
NL143092B (nl) Inrichting voor in de tijd gecomprimeerde of geexpandeerde reproduktie van spraaksignalen.
JPS55161500A (en) False stereo sound reproducing device
JPS5434644A (en) Input/output circiut
JPS5361237A (en) Multiplexed system for electric charge
SU569034A1 (ru) Приемное устройство с резервным радиоканалом
KR890016845A (ko) Tv수상기의 부음성 지연장치
JPS5354446A (en) Trap circuit
JPS52124848A (en) Digital phase detection circuit
GB936700A (en) Carrier signal attenuation
JPS5667000A (en) Signal conversion device
SU535745A1 (ru) Устройство дл сложени разнесенных сигналов
JPS5260511A (en) Parallel transmission circuits
JPS53140002A (en) Echo adding device for stereophonic acoustic reproducing system of two channel type
JPS5322348A (en) Filter unit
KR920015694A (ko) 파일럿 · 캔슬장치
AU293278B2 (en) F Entitled ARRANGEMENT FOR GENERATING A SWITCHING VOLTAGE DEPENDENT ONTHE INPUT SIGNAL INA FM RECEIVER IN PARTICULAR NOISE SUPPRESSOR

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7713613-3

Effective date: 19940710

Format of ref document f/p: F