NL188879C - Schakeling voor het verminderen van intermodulatievervorming in een frequentiegemoduleerd signaal. - Google Patents

Schakeling voor het verminderen van intermodulatievervorming in een frequentiegemoduleerd signaal.

Info

Publication number
NL188879C
NL188879C NLAANVRAGE8301489,A NL8301489A NL188879C NL 188879 C NL188879 C NL 188879C NL 8301489 A NL8301489 A NL 8301489A NL 188879 C NL188879 C NL 188879C
Authority
NL
Netherlands
Prior art keywords
circuit
modulated signal
frequency modulated
intermodulation distortion
reducing intermodulation
Prior art date
Application number
NLAANVRAGE8301489,A
Other languages
English (en)
Other versions
NL8301489A (nl
NL188879B (nl
Original Assignee
Victor Company Of Japan
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 Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of NL8301489A publication Critical patent/NL8301489A/nl
Publication of NL188879B publication Critical patent/NL188879B/nl
Application granted granted Critical
Publication of NL188879C publication Critical patent/NL188879C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7912—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being intermodulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8211—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a sound signal
    • H04N9/8222—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a sound signal using frequency division multiplex

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NLAANVRAGE8301489,A 1982-04-30 1983-04-27 Schakeling voor het verminderen van intermodulatievervorming in een frequentiegemoduleerd signaal. NL188879C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57073543A JPS58190190A (ja) 1982-04-30 1982-04-30 周波数変調波信号の二次歪低減装置
JP7354382 1982-04-30

Publications (3)

Publication Number Publication Date
NL8301489A NL8301489A (nl) 1983-11-16
NL188879B NL188879B (nl) 1992-05-18
NL188879C true NL188879C (nl) 1992-10-16

Family

ID=13521250

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8301489,A NL188879C (nl) 1982-04-30 1983-04-27 Schakeling voor het verminderen van intermodulatievervorming in een frequentiegemoduleerd signaal.

Country Status (7)

Country Link
US (1) US4577238A (nl)
JP (1) JPS58190190A (nl)
KR (1) KR860001987B1 (nl)
DE (1) DE3315692C2 (nl)
FR (1) FR2526245B1 (nl)
GB (1) GB2121655B (nl)
NL (1) NL188879C (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6146681A (ja) * 1984-08-11 1986-03-06 Matsushita Electric Ind Co Ltd 映像信号の記録再生方法
JPH0832069B2 (ja) * 1987-04-09 1996-03-27 パイオニア株式会社 記録情報再生装置
US4882618A (en) * 1987-04-15 1989-11-21 Kabushiki Kaisha Toshiba FM signal demodulator for video signal reproducing apparatus
JPH02192074A (ja) * 1989-01-19 1990-07-27 Sanyo Electric Co Ltd 高域ノイズ軽減回路
US5057785A (en) * 1990-01-23 1991-10-15 International Business Machines Corporation Method and circuitry to suppress additive disturbances in data channels
US5119040A (en) * 1991-01-04 1992-06-02 Motorola, Inc. Method and apparatus for optimizing the performance of a power amplifier circuit
KR100209886B1 (ko) * 1996-01-30 1999-07-15 윤종용 디지탈 자기기록재생장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243604A (en) * 1963-06-10 1966-03-29 Barnes Enginweering Company Clamp-limit network for providing a limited output signal which is not affected by noise
JPS5213704B2 (nl) * 1971-11-15 1977-04-16
NL177168C (nl) * 1972-09-02 1985-08-01 Philips Nv Werkwijze voor het registreren van een videosignaal en registratiedrager voorzien van videoinformatie opgetekend volgens de werkwijze alsmede een inrichting voor het uitlezen van een registratiedrager.
CH555619A (de) * 1973-02-16 1974-10-31 Contraves Ag Verfahren und einrichtung zur erzeugung einer synchronisationsspannung fuer die zuendimpulssteuerung einer gesteuerten gleichrichter-leistungsstufe aus deren durch eine autonome energieversorgungsanlage gelieferten periodischer speisespannung.
US3972064A (en) * 1973-03-20 1976-07-27 Rca Corporation Apparatus and methods for playback of color picture/sound records
US4005474A (en) * 1973-03-20 1977-01-25 Rca Corporation Recording apparatus and methods for a color picture/sound record
US3988532A (en) * 1975-04-02 1976-10-26 Zenith Radio Corporation Arrangement for compensating duty factor variations in an optical video disc
FR2358797A1 (fr) * 1976-07-16 1978-02-10 Thomson Brandt Systeme de correction automatique du facteur de forme de l'onde porteuse issue de la lecture d'un support d'information
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
US4280219A (en) * 1979-09-19 1981-07-21 Raytheon Company Digital memory system
GB2061647A (en) * 1979-10-26 1981-05-13 Emi Ltd Frequency demodulator
US4329712A (en) * 1980-06-24 1982-05-11 Rca Corporation Adaptive distortion elimination circuitry for a video disc player
US4360829A (en) * 1980-06-24 1982-11-23 Rca Corporation Active distortion elimination circuitry for a video disc player

Also Published As

Publication number Publication date
KR860001987B1 (ko) 1986-11-07
GB2121655B (en) 1985-10-16
FR2526245B1 (fr) 1986-02-07
DE3315692A1 (de) 1983-11-03
JPS58190190A (ja) 1983-11-07
GB2121655A (en) 1983-12-21
KR840004832A (ko) 1984-10-24
DE3315692C2 (de) 1986-01-16
US4577238A (en) 1986-03-18
GB8311645D0 (en) 1983-06-02
NL8301489A (nl) 1983-11-16
FR2526245A1 (fr) 1983-11-04
NL188879B (nl) 1992-05-18
JPS649662B2 (nl) 1989-02-20

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19961101