JPS5432902A - Noise components eliminator circuit in fm receiver and so on - Google Patents

Noise components eliminator circuit in fm receiver and so on

Info

Publication number
JPS5432902A
JPS5432902A JP9925077A JP9925077A JPS5432902A JP S5432902 A JPS5432902 A JP S5432902A JP 9925077 A JP9925077 A JP 9925077A JP 9925077 A JP9925077 A JP 9925077A JP S5432902 A JPS5432902 A JP S5432902A
Authority
JP
Japan
Prior art keywords
noise components
receiver
eliminator circuit
pilot signals
eliminator
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.)
Granted
Application number
JP9925077A
Other languages
Japanese (ja)
Other versions
JPS5824981B2 (en
Inventor
Eiji Tanaka
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP9925077A priority Critical patent/JPS5824981B2/en
Priority to SE7806825A priority patent/SE432683B/en
Priority to GB7827103A priority patent/GB2001229B/en
Priority to DE2826524A priority patent/DE2826524C3/en
Priority to CH657478A priority patent/CH631847A5/en
Priority to NO782113A priority patent/NO148870C/en
Priority to US05/916,353 priority patent/US4191850A/en
Priority to FR7818127A priority patent/FR2394935A1/en
Priority to NLAANVRAGE7806522,A priority patent/NL177725C/en
Priority to FI781937A priority patent/FI67981C/en
Priority to DK272978A priority patent/DK162552C/en
Publication of JPS5432902A publication Critical patent/JPS5432902A/en
Publication of JPS5824981B2 publication Critical patent/JPS5824981B2/en
Expired legal-status Critical Current

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
    • 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
    • H04B1/16—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PURPOSE:To perform the processing of pilot signals surely and simply with respect to noise components elimination by providing a trap filter for stereophonic pilot signals at the output of a detector.
JP9925077A 1977-06-17 1977-08-18 Noise component removal circuit in FM receiver, etc. Expired JPS5824981B2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP9925077A JPS5824981B2 (en) 1977-08-18 1977-08-18 Noise component removal circuit in FM receiver, etc.
SE7806825A SE432683B (en) 1977-06-17 1978-06-13 STORM REDUCING CIRCUIT FOR AN FM STEREO RECEIVER
GB7827103A GB2001229B (en) 1977-06-17 1978-06-16 Interferences reduction for use in an fm radio receivcer
DE2826524A DE2826524C3 (en) 1977-06-17 1978-06-16 Circuit arrangement for reducing interference in an FM radio receiver
CH657478A CH631847A5 (en) 1977-06-17 1978-06-16 CIRCUIT ARRANGEMENT TO REDUCE INTERFERENCE IN A FM STEREO RECEIVER.
NO782113A NO148870C (en) 1977-06-17 1978-06-16 CIRCUIT FOR INTERFERENCE REDUCTION TO USE IN AN FM RADIO RECEIVER
US05/916,353 US4191850A (en) 1977-06-17 1978-06-16 Interferences reduction for use in an FM radio receiver
FR7818127A FR2394935A1 (en) 1977-06-17 1978-06-16 CIRCUIT FOR THE REDUCTION OF PARASITES IN AN FM RADIO RECEIVER
NLAANVRAGE7806522,A NL177725C (en) 1977-06-17 1978-06-16 FAILURE REDUCTION FOR AN FM STEREO RECEIVER.
FI781937A FI67981C (en) 1977-06-17 1978-06-16 STOERNINGSDAEMPNING FOER UKV-MOTTAGNING
DK272978A DK162552C (en) 1977-06-17 1978-06-16 CLUTCH TO REDUCE INTERFERENCE IN AN FM STEREO RECEIVER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9925077A JPS5824981B2 (en) 1977-08-18 1977-08-18 Noise component removal circuit in FM receiver, etc.

Publications (2)

Publication Number Publication Date
JPS5432902A true JPS5432902A (en) 1979-03-10
JPS5824981B2 JPS5824981B2 (en) 1983-05-24

Family

ID=14242451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9925077A Expired JPS5824981B2 (en) 1977-06-17 1977-08-18 Noise component removal circuit in FM receiver, etc.

Country Status (1)

Country Link
JP (1) JPS5824981B2 (en)

Also Published As

Publication number Publication date
JPS5824981B2 (en) 1983-05-24

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