DK0660611T3 - Et kredsløb til genopretning af clocksignal til seriel digital video - Google Patents
Et kredsløb til genopretning af clocksignal til seriel digital videoInfo
- Publication number
- DK0660611T3 DK0660611T3 DK94309535T DK94309535T DK0660611T3 DK 0660611 T3 DK0660611 T3 DK 0660611T3 DK 94309535 T DK94309535 T DK 94309535T DK 94309535 T DK94309535 T DK 94309535T DK 0660611 T3 DK0660611 T3 DK 0660611T3
- Authority
- DK
- Denmark
- Prior art keywords
- frequency
- vco
- stage
- input signal
- locked loop
- Prior art date
Links
- 238000011084 recovery Methods 0.000 title 1
- 230000010355 oscillation Effects 0.000 abstract 3
- 239000002131 composite material Substances 0.000 abstract 2
- 238000010408 sweeping Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Information Transfer Systems (AREA)
- Dram (AREA)
- Synchronizing For Television (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002112290A CA2112290C (en) | 1993-12-23 | 1993-12-23 | A clock recovery circuit for serial digital video |
US08/360,544 US5541556A (en) | 1993-12-23 | 1994-12-21 | Clock recovery circuit for serial digital video |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0660611T3 true DK0660611T3 (da) | 2000-07-03 |
Family
ID=25676887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK94309535T DK0660611T3 (da) | 1993-12-23 | 1994-12-20 | Et kredsløb til genopretning af clocksignal til seriel digital video |
Country Status (7)
Country | Link |
---|---|
US (1) | US5541556A (da) |
EP (1) | EP0660611B1 (da) |
JP (1) | JPH0856293A (da) |
AT (1) | ATE191597T1 (da) |
CA (1) | CA2112290C (da) |
DE (1) | DE69423860T2 (da) |
DK (1) | DK0660611T3 (da) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510965A1 (de) * | 1995-03-24 | 1996-09-26 | Asta Medica Ag | Neue Pyrido/3,2-e/pyrazinone mit antiasthmatischer Wirksamkeit und Verfahren zu deren Herstellung |
JP3600708B2 (ja) * | 1996-04-15 | 2004-12-15 | ペンタックス株式会社 | 電子内視鏡に接続可能な映像信号処理装置 |
US5767917A (en) * | 1996-04-30 | 1998-06-16 | U.S. Philips Corporation | Method and apparatus for multi-standard digital television synchronization |
US6704382B1 (en) | 1997-07-11 | 2004-03-09 | Tellabs Operations, Inc. | Self-sweeping autolock PLL |
US6177959B1 (en) * | 1997-12-31 | 2001-01-23 | Telecruz Technology, Inc. | Circuit and method for generating a clock signal synchronized with time reference signals associated with television signals |
US6331999B1 (en) * | 1998-01-15 | 2001-12-18 | Lsi Logic Corporation | Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream |
FR2778044B1 (fr) | 1998-04-23 | 2000-06-16 | Thomson Multimedia Sa | Procede de recuperation d'horloge lors de l'echantillonnage des signaux de type informatique |
US6233020B1 (en) * | 1998-08-07 | 2001-05-15 | Thomson Licensing S.A. | Phase lock loop with selectable response |
US6400409B1 (en) * | 1998-08-07 | 2002-06-04 | Thomson Licensing Sa | Control of horizontal frequency selection |
WO2000014922A1 (en) * | 1998-09-03 | 2000-03-16 | Gennum Corporation | Slew phase locked loop |
KR20020093818A (ko) * | 2000-02-29 | 2002-12-16 | 제너럴 인스트루먼트 코포레이션 | 개선된 케이블 tv 네트워크 성능을 위한 디지털 처리구조의 응용 |
AU2001213313A1 (en) * | 2000-10-11 | 2002-04-22 | Sony Electronics Inc. | Adaptive synchronization mechanism for digital video decoder |
US7110412B2 (en) | 2001-09-18 | 2006-09-19 | Sbc Technology Resources, Inc. | Method and system to transport high-quality video signals |
US6778024B2 (en) | 2002-11-14 | 2004-08-17 | Gennum Corporation | Dynamically trimmed voltage controlled oscillator |
US7746969B2 (en) * | 2006-03-28 | 2010-06-29 | Entropic Communications, Inc. | High definition multi-media interface |
US7831855B2 (en) * | 2007-04-12 | 2010-11-09 | Harris Corporation | System and method for generating a reset signal for synchronization of a signal |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5111160A (en) * | 1991-04-30 | 1992-05-05 | The Grass Valley Group | Clock generation circuit for multistandard serial digital video with automatic format identification |
US5210509A (en) * | 1992-05-29 | 1993-05-11 | Unisys Corporation | Dual loop phase locked circuit with sweep generator and compensation for drift |
US5473639A (en) * | 1993-07-26 | 1995-12-05 | Hewlett-Packard Company | Clock recovery apparatus with means for sensing an out of lock condition |
-
1993
- 1993-12-23 CA CA002112290A patent/CA2112290C/en not_active Expired - Fee Related
-
1994
- 1994-12-20 AT AT94309535T patent/ATE191597T1/de not_active IP Right Cessation
- 1994-12-20 DE DE69423860T patent/DE69423860T2/de not_active Expired - Fee Related
- 1994-12-20 EP EP94309535A patent/EP0660611B1/en not_active Expired - Lifetime
- 1994-12-20 DK DK94309535T patent/DK0660611T3/da active
- 1994-12-21 US US08/360,544 patent/US5541556A/en not_active Expired - Lifetime
- 1994-12-22 JP JP32042494A patent/JPH0856293A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69423860D1 (de) | 2000-05-11 |
US5541556A (en) | 1996-07-30 |
EP0660611A3 (en) | 1996-03-06 |
EP0660611B1 (en) | 2000-04-05 |
EP0660611A2 (en) | 1995-06-28 |
CA2112290C (en) | 2004-06-01 |
JPH0856293A (ja) | 1996-02-27 |
ATE191597T1 (de) | 2000-04-15 |
DE69423860T2 (de) | 2000-10-19 |
CA2112290A1 (en) | 1995-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK0660611T3 (da) | Et kredsløb til genopretning af clocksignal til seriel digital video | |
EP0124332A3 (en) | A double conversion tuner | |
US4498191A (en) | Digital automatic frequency control with tracking | |
KR970055561A (ko) | 반응 시간이 제어 가능한 위상 동기 루프 | |
GB2289175A (en) | Phase lock loop synchronization circuit and method | |
SE9503450D0 (sv) | Förfarande och anordning vid generering av en signal | |
EP1466410A4 (en) | LOOP FILTER WITH LOW JITTER FOR A LIVE ROTARY CIRCUIT SYSTEM | |
KR970057865A (ko) | 미세 동조 장치를 구비한 디지탈 위성 수신기용 동조 시스템 | |
TW377539B (en) | Phase lock loop for display monitor | |
ATE257986T1 (de) | Pll schaltkreis | |
EP1104113A3 (en) | Clock and data recovery circuit for optical receiver | |
US4656431A (en) | Digital frequency discriminator | |
ATE1081T1 (de) | Anordnung zur taktsignalrueckgewinnung bei der digitalen signaluebertragung. | |
EP0176703B1 (en) | Intermediate frequency signal processing circuit | |
KR100389845B1 (ko) | 디지털 수신기를 동기화하는 장치 | |
EP1143622A4 (en) | PHASE CONTROL LOOP | |
US5745004A (en) | FPLL with third multiplier in an AC path in the FPLL | |
US7050520B2 (en) | PLL (Phase-Locked Loop) circuit | |
US4796102A (en) | Automatic frequency control system | |
US4486782A (en) | Frequency stabilization of a VCO FM modulator | |
JP2673365B2 (ja) | 空胴共振器の共振周波数制御装置 | |
US4642574A (en) | Digital quartz-stabilized FM discriminator | |
DK224688A (da) | Oscillatorindretning til frembringelse af mindst to forskellige frekvenser | |
DE69129316D1 (de) | Phasenregelschleife | |
JPH06152457A (ja) | Pll選局装置 |