NL173466B - Fm-ontvanger. - Google Patents

Fm-ontvanger.

Info

Publication number
NL173466B
NL173466B NLAANVRAGE7117058,A NL7117058A NL173466B NL 173466 B NL173466 B NL 173466B NL 7117058 A NL7117058 A NL 7117058A NL 173466 B NL173466 B NL 173466B
Authority
NL
Netherlands
Prior art keywords
receiver
Prior art date
Application number
NLAANVRAGE7117058,A
Other languages
English (en)
Other versions
NL7117058A (nl
NL173466C (nl
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of NL7117058A publication Critical patent/NL7117058A/xx
Publication of NL173466B publication Critical patent/NL173466B/nl
Application granted granted Critical
Publication of NL173466C publication Critical patent/NL173466C/nl

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
    • H04B1/16—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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
NLAANVRAGE7117058,A 1970-12-11 1971-12-13 Fm-ontvanger. NL173466C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45110881A JPS5225681B1 (nl) 1970-12-11 1970-12-11

Publications (3)

Publication Number Publication Date
NL7117058A NL7117058A (nl) 1972-06-13
NL173466B true NL173466B (nl) 1983-08-16
NL173466C NL173466C (nl) 1984-01-16

Family

ID=14547044

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7117058,A NL173466C (nl) 1970-12-11 1971-12-13 Fm-ontvanger.

Country Status (7)

Country Link
US (1) US3919482A (nl)
JP (1) JPS5225681B1 (nl)
CA (1) CA987737A (nl)
DE (1) DE2160702C3 (nl)
FR (1) FR2118036B1 (nl)
GB (1) GB1362975A (nl)
NL (1) NL173466C (nl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA761696B (en) * 1975-03-20 1977-07-27 Blaupunkt Werke Gmbh Circuit for blanking interference pulses
US4029906A (en) * 1975-04-18 1977-06-14 Sansui Electric Co., Ltd. Automatic noise reduction system of FM stereo receiver
US3999132A (en) * 1975-10-31 1976-12-21 Motorola, Inc. Stereo inhibit circuit
JPS539403A (en) * 1976-07-14 1978-01-27 Pioneer Electronic Corp Fm stereophonic receiver
IL53821A (en) * 1977-01-31 1980-10-26 Kahn Leonard R Method and device for reducing adjacent channel interference, especially for independent sideband am stereo
US4206317A (en) * 1977-01-31 1980-06-03 Kahn Leonard R Reduction of adjacent channel interference
US4192970A (en) * 1977-01-31 1980-03-11 Kahn Leonard R Reduction of adjacent channel interference
GB1562891A (en) * 1977-02-22 1980-03-19 Toko Inc Noise cancelling systems for fm receivers
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
SE432683B (sv) * 1977-06-17 1984-04-09 Sharp Kk Storningsreducerande krets for en fm-stereomottagare
JPS5416108A (en) * 1977-07-07 1979-02-06 Pioneer Electronic Corp Receiver antenna input circuit
US4154980A (en) * 1977-08-29 1979-05-15 Motorola, Inc. Noise blanker with variable rate-shut-off and/or variable blanking threshold level
JPS54115817U (nl) * 1978-02-02 1979-08-14
US4314377A (en) * 1979-04-27 1982-02-02 Sanyo Electric Co., Ltd. Noise removing apparatus
DE3130341A1 (de) * 1980-09-17 1982-06-16 Hitachi, Ltd., Tokyo Rauschsperre und mit dieser versehener fm-funkempfaenger
JPS61167825U (nl) * 1985-04-05 1986-10-17
EP1313145A1 (en) * 2001-11-19 2003-05-21 Agilent Technologies, Inc. (a Delaware corporation) Amplifier circuit apparatus and method of EMI suppression
US20050134390A1 (en) * 2003-12-17 2005-06-23 Glass Kevin W. Bias circuit for high frequency amplifiers
US7088174B2 (en) * 2003-12-22 2006-08-08 Intel Corporation Offset cancellation and slice adjust amplifier circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152515A (en) * 1937-06-18 1939-03-28 Hazeltine Corp Automatic signal interference control
US3161727A (en) * 1962-05-17 1964-12-15 Scott Inc H H Sterophonic-to-monophonic reception apparatus
US3329773A (en) * 1962-08-20 1967-07-04 Matsushita Electric Ind Co Ltd Method of selecting an fm stereophonic signal
US3323066A (en) * 1963-05-23 1967-05-30 Aircraft Radio Corp Squelch circuit
FR1484513A (nl) * 1964-05-18 1967-09-28
US3374437A (en) * 1964-08-26 1968-03-19 Heath Co Squelch system for radio receivers
US3448385A (en) * 1965-06-28 1969-06-03 Scott Inc H H Stereophonic receiver squelch apparatus
US3568068A (en) * 1967-10-13 1971-03-02 Motorola Inc Squelch circuit for frequency modulation receiver
US3569633A (en) * 1967-12-21 1971-03-09 Heath Co Fm stereo receiver having automatic threshold switching circuitry
US3662113A (en) * 1968-03-27 1972-05-09 Scott Inc H H Stereophonic demodulator apparatus and automatic monophonic-stereophonic switching circuit
NL145420B (nl) * 1969-10-25 1975-03-17 Philips Nv Schakeling voor het onderdrukken van storingen in een fm radio-ontvanger.
US3588705A (en) * 1969-11-12 1971-06-28 Nasa Frequency-modulation demodulator threshold extension device
US3634626A (en) * 1970-04-06 1972-01-11 Sylvania Electric Prod Noise-operated automatic stereo to monaural switch for fm receivers
US3728491A (en) * 1971-03-05 1973-04-17 Electrohome Ltd Stereophonic fm receivers having decoders employing field effect transistors

Also Published As

Publication number Publication date
DE2160702C3 (de) 1981-07-30
GB1362975A (en) 1974-08-14
DE2160702A1 (de) 1972-06-29
FR2118036B1 (nl) 1976-10-29
NL7117058A (nl) 1972-06-13
US3919482A (en) 1975-11-11
DE2160702B2 (nl) 1980-09-25
NL173466C (nl) 1984-01-16
CA987737A (en) 1976-04-20
JPS5225681B1 (nl) 1977-07-09
FR2118036A1 (nl) 1972-07-28

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent