FR2615680B1 - Circuit de rejection de signal a dispersion d'energie et son procede de fonctionnement - Google Patents

Circuit de rejection de signal a dispersion d'energie et son procede de fonctionnement

Info

Publication number
FR2615680B1
FR2615680B1 FR8806816A FR8806816A FR2615680B1 FR 2615680 B1 FR2615680 B1 FR 2615680B1 FR 8806816 A FR8806816 A FR 8806816A FR 8806816 A FR8806816 A FR 8806816A FR 2615680 B1 FR2615680 B1 FR 2615680B1
Authority
FR
France
Prior art keywords
operating method
energy dispersion
rejection circuit
signal rejection
dispersion signal
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 - Fee Related
Application number
FR8806816A
Other languages
English (en)
Other versions
FR2615680A1 (fr
Inventor
Mita Et Kozo Kobayashi Hiroyuki
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.)
Sony Corp
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 FR2615680A1 publication Critical patent/FR2615680A1/fr
Application granted granted Critical
Publication of FR2615680B1 publication Critical patent/FR2615680B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
    • H04N7/045—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier the carrier being frequency modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Noise Elimination (AREA)
  • Picture Signal Circuits (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR8806816A 1987-05-23 1988-05-20 Circuit de rejection de signal a dispersion d'energie et son procede de fonctionnement Expired - Fee Related FR2615680B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62126545A JPS63292790A (ja) 1987-05-23 1987-05-23 デイスパ−サル信号除去回路

Publications (2)

Publication Number Publication Date
FR2615680A1 FR2615680A1 (fr) 1988-11-25
FR2615680B1 true FR2615680B1 (fr) 1994-02-25

Family

ID=14937833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8806816A Expired - Fee Related FR2615680B1 (fr) 1987-05-23 1988-05-20 Circuit de rejection de signal a dispersion d'energie et son procede de fonctionnement

Country Status (9)

Country Link
US (1) US4953179A (fr)
JP (1) JPS63292790A (fr)
KR (1) KR880014825A (fr)
AU (1) AU613912B2 (fr)
CA (1) CA1303139C (fr)
DE (1) DE3817367A1 (fr)
FR (1) FR2615680B1 (fr)
GB (1) GB2205717B (fr)
NL (1) NL8801288A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431875A3 (en) * 1989-12-04 1992-02-26 Matsushita Electric Industrial Co., Ltd. Energy dispersal signal adding apparatus and energy dispersal signal removing apparatus
JPH04261291A (ja) * 1991-02-15 1992-09-17 Victor Co Of Japan Ltd エネルギー拡散信号除去装置
CA2071283C (fr) * 1991-06-18 1999-07-27 Shigeru Kawakami Recepteur de television par satellite
GB9120950D0 (en) * 1991-10-02 1991-11-13 Philips Electronic Associated Signal clamping
US6999779B1 (en) 1997-02-06 2006-02-14 Fujitsu Limited Position information management system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044062A (en) * 1960-04-27 1962-07-10 Katzin Martin Polarization diversity receiver
NL6702874A (fr) * 1966-08-27 1968-08-26
US3729576A (en) * 1971-02-08 1973-04-24 Optical Sys Corp Encoding and decoding system for catv
US4074311A (en) * 1976-06-18 1978-02-14 Tanner Electronic Systems Television security system
US4222066A (en) * 1977-12-22 1980-09-09 North American Philips Corporation CATV Subscription service control device and attenuator therefor
US4455651A (en) * 1980-10-20 1984-06-19 Equatorial Communications Company Satellite communications system and apparatus
JPS58178670A (ja) * 1982-04-12 1983-10-19 Alps Electric Co Ltd ビデオ・クランプ回路
CA1186028A (fr) * 1982-06-23 1985-04-23 Microdesign Limited Methode et appareil de brouillage et de debrouillage de flux de donnees par chiffrage et dechiffrage
US4475214A (en) * 1982-10-12 1984-10-02 The United States Of America As Represented By The Secretary Of The Army CW Interference cancelling sytem for spread spectrum signals utilizing active coherent detection
FR2552607B1 (fr) * 1983-09-22 1985-10-25 Fernandez Enrique Procede de brouillage d'un signal de television et appareil de debrouillage correspondant
JPS60132430A (ja) * 1983-12-21 1985-07-15 Toshiba Corp 妨害波除去装置
CA1252560A (fr) * 1984-01-27 1989-04-11 Frank T. Meriwether Methode et systeme de brouillage de signaux
US4790009A (en) * 1984-10-29 1988-12-06 Victor Company Of Japan, Ltd. Scrambler system
CA1235751A (fr) * 1985-01-09 1988-04-26 Junji Namiki Repeteur monofrequence pour systeme radio numerique a micro-ondes avec annulation du signal parasite transmis de l'emetteur au recepteur
GB2174576B (en) * 1985-04-29 1989-06-28 Plessey Co Plc Improvements in or relating to receivers
GB2174575B (en) * 1985-04-29 1989-06-28 Plessey Co Plc Improvements in or relating to receivers
JPS6276878A (ja) * 1985-09-30 1987-04-08 Toshiba Corp 映像スクランブル信号処理装置
US4688246A (en) * 1985-12-20 1987-08-18 Zenith Electronics Corporation CATV scrambling system with compressed digital audio in synchronizing signal intervals
US4736455A (en) * 1985-12-23 1988-04-05 Nippon Telegraph And Telephone Corporation Interference cancellation system

Also Published As

Publication number Publication date
GB2205717B (en) 1991-06-19
KR880014825A (ko) 1988-12-24
AU1557188A (en) 1988-11-24
GB2205717A (en) 1988-12-14
AU613912B2 (en) 1991-08-15
US4953179A (en) 1990-08-28
JPS63292790A (ja) 1988-11-30
NL8801288A (nl) 1988-12-16
FR2615680A1 (fr) 1988-11-25
GB8811231D0 (en) 1988-06-15
DE3817367A1 (de) 1988-12-01
CA1303139C (fr) 1992-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse