GB1493870A - Circuit arrangement for reducing interference in an fm radio receiver - Google Patents

Circuit arrangement for reducing interference in an fm radio receiver

Info

Publication number
GB1493870A
GB1493870A GB7357/75A GB735775A GB1493870A GB 1493870 A GB1493870 A GB 1493870A GB 7357/75 A GB7357/75 A GB 7357/75A GB 735775 A GB735775 A GB 735775A GB 1493870 A GB1493870 A GB 1493870A
Authority
GB
United Kingdom
Prior art keywords
interference
circuit
feb
detector
network
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
GB7357/75A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1493870A publication Critical patent/GB1493870A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplifiers (AREA)
GB7357/75A 1974-02-26 1975-02-21 Circuit arrangement for reducing interference in an fm radio receiver Expired GB1493870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7402576A NL7402576A (nl) 1974-02-26 1974-02-26 Schakeling voor het onderdrukken van storingen in een fm-radio-ontvanger.

Publications (1)

Publication Number Publication Date
GB1493870A true GB1493870A (en) 1977-11-30

Family

ID=19820840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7357/75A Expired GB1493870A (en) 1974-02-26 1975-02-21 Circuit arrangement for reducing interference in an fm radio receiver

Country Status (13)

Country Link
JP (1) JPS50120204A (en, 2012)
AT (1) AT353848B (en, 2012)
AU (1) AU498890B2 (en, 2012)
BE (1) BE825895R (en, 2012)
DE (1) DE2505956A1 (en, 2012)
DK (1) DK67975A (en, 2012)
ES (1) ES435033A2 (en, 2012)
FR (1) FR2262451B2 (en, 2012)
GB (1) GB1493870A (en, 2012)
HK (1) HK60078A (en, 2012)
IT (1) IT1030251B (en, 2012)
NL (1) NL7402576A (en, 2012)
ZA (1) ZA75824B (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL188133C (nl) * 1976-12-28 1992-04-01 Clarion Co Ltd Ruisonderdrukkingsschakeling voor een am-ontvanger.
GB1562891A (en) * 1977-02-22 1980-03-19 Toko Inc Noise cancelling systems for fm receivers

Also Published As

Publication number Publication date
DE2505956A1 (de) 1975-08-28
ATA142675A (de) 1979-05-15
ZA75824B (en) 1976-09-29
FR2262451A2 (en, 2012) 1975-09-19
AU498890B2 (en) 1979-03-29
BE825895R (fr) 1975-08-25
JPS50120204A (en, 2012) 1975-09-20
IT1030251B (it) 1979-03-30
NL7402576A (nl) 1975-08-28
AT353848B (de) 1979-12-10
ES435033A2 (es) 1977-02-16
FR2262451B2 (en, 2012) 1979-03-02
HK60078A (en) 1978-10-20
AU7846475A (en) 1976-08-26
DK67975A (en, 2012) 1975-10-27

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Legal Events

Date Code Title Description
PS Patent sealed