[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

FR2627031B1 - Circuit et procede de demodulation - Google Patents

Circuit et procede de demodulation

Info

Publication number
FR2627031B1
FR2627031B1 FR898901779A FR8901779A FR2627031B1 FR 2627031 B1 FR2627031 B1 FR 2627031B1 FR 898901779 A FR898901779 A FR 898901779A FR 8901779 A FR8901779 A FR 8901779A FR 2627031 B1 FR2627031 B1 FR 2627031B1
Authority
FR
France
Prior art keywords
demodulation circuit
demodulation
circuit
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 - Lifetime
Application number
FR898901779A
Other languages
English (en)
Other versions
FR2627031A1 (fr
Inventor
Shoji Araki
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
Priority claimed from JP2912588A external-priority patent/JPH01204511A/ja
Priority claimed from JP12993388A external-priority patent/JPH01298806A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2627031A1 publication Critical patent/FR2627031A1/fr
Application granted granted Critical
Publication of FR2627031B1 publication Critical patent/FR2627031B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/12Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
FR898901779A 1988-02-10 1989-02-10 Circuit et procede de demodulation Expired - Lifetime FR2627031B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2912588A JPH01204511A (ja) 1988-02-10 1988-02-10 復調回路
JP12993388A JPH01298806A (ja) 1988-05-27 1988-05-27 復調回路

Publications (2)

Publication Number Publication Date
FR2627031A1 FR2627031A1 (fr) 1989-08-11
FR2627031B1 true FR2627031B1 (fr) 1992-06-12

Family

ID=26367279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898901779A Expired - Lifetime FR2627031B1 (fr) 1988-02-10 1989-02-10 Circuit et procede de demodulation

Country Status (5)

Country Link
US (1) US4885546A (fr)
AT (1) ATA27989A (fr)
DE (1) DE3903850A1 (fr)
FR (1) FR2627031B1 (fr)
GB (1) GB2215940B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930003963B1 (ko) * 1990-08-27 1993-05-17 주식회사 금성사 일반전화 회선을 이용한 영상신호전송장치
JPH04314279A (ja) * 1991-04-12 1992-11-05 Pioneer Electron Corp Agc回路
US5214708A (en) * 1991-12-16 1993-05-25 Mceachern Robert H Speech information extractor
DE4417724A1 (de) * 1994-05-20 1995-11-23 Ant Nachrichtentech Einrichtung zur digitalen Demodulation der Bild- und Tonanteile eines Fernsehsignals
CA2170151C (fr) * 1994-06-23 2004-01-20 Cornelis Conradus Adrianus Maria Van Zon Recepteur de signaux de television
DE19602187A1 (de) * 1996-01-23 1997-07-24 Philips Patentverwaltung Bild-ZF-Demodulatorschaltung mit variabler ZF-Verstärkungsregelung
US5694079A (en) * 1996-04-04 1997-12-02 Lucent Technologies Inc. Digital FM demodulator using a lagrangian interpolation function
JP4373676B2 (ja) * 2001-04-16 2009-11-25 トムソン ライセンシング 復調器
US7920975B2 (en) * 2006-08-18 2011-04-05 The United States Of America As Represented By The Secretary Of The Army Methods of detecting anomalies in ambient alternating current fields

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840649B1 (fr) * 1969-09-12 1973-12-01
JPS59200505A (ja) * 1983-04-27 1984-11-13 Nippon Telegr & Teleph Corp <Ntt> デイジタル処理型包絡検出装置
US4723216A (en) * 1985-08-01 1988-02-02 General Electric Company Digital frequency-locked loop for use with staggered sampling systems

Also Published As

Publication number Publication date
GB2215940B (en) 1992-04-15
US4885546A (en) 1989-12-05
GB2215940A (en) 1989-09-27
FR2627031A1 (fr) 1989-08-11
DE3903850A1 (de) 1989-08-24
GB8902896D0 (en) 1989-03-30
ATA27989A (de) 1997-02-15

Similar Documents

Publication Publication Date Title
GB2209221B (en) Hydrophone demodulator circuit and method
FR2610214B1 (fr) Procede et dispositif de filtration
HK104694A (en) Integrated circuit and optimization method therefore
DE3855053D1 (de) Bestrahlungsfelderkennungsverfahren
ATE165651T1 (de) Schnee-erzeugungseinrichtung und -verfahren
KR880701473A (ko) 영처리 수신장치 및 그 방법
KR890700384A (ko) 필터방법 및 그 장치
DE68925466D1 (de) Zeitgeberschaltung
FR2632230B1 (fr) Procede et appareillage de rivetage
DE3683584D1 (de) Entwicklungsverfahren und -vorrichtung.
KR860005568A (ko) 전자장치 및 그의 제조방법
KR880700556A (ko) 안테나 제어 회로 및 안테나 선택방법
DE69033956D1 (de) Druckvorrichtung und -verfahren
KR890700405A (ko) 피복장치와 방법
PT88784A (pt) Demodulation method
FR2628768B1 (fr) Procede et dispositif de calandrage
FR2514975B1 (fr) Procede et circuit de detection synchrone
DE3855494D1 (de) Abfragevorrichtung und -methode
KR880700339A (ko) 영역 가공 방법
FR2627031B1 (fr) Circuit et procede de demodulation
KR900007287A (ko) 인쇄회로 및 그 제조공정
KR880700338A (ko) 영역 가공방법
DE3680253D1 (de) Verdampfungsverfahren und vorrichtung.
BR8606551A (pt) Chumacos absorventes e metodo de producao
KR880700340A (ko) 영역 가공 방법

Legal Events

Date Code Title Description
ST Notification of lapse