CN1135832C - 锁相环电路 - Google Patents
锁相环电路 Download PDFInfo
- Publication number
- CN1135832C CN1135832C CNB981174000A CN98117400A CN1135832C CN 1135832 C CN1135832 C CN 1135832C CN B981174000 A CNB981174000 A CN B981174000A CN 98117400 A CN98117400 A CN 98117400A CN 1135832 C CN1135832 C CN 1135832C
- Authority
- CN
- China
- Prior art keywords
- circuit
- synchronizing signal
- signal
- phase
- output
- 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
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 70
- 238000001514 detection method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 23
- 239000000203 mixture Substances 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 101100381996 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) BRO1 gene Proteins 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/12—Synchronisation between the display unit and other units, e.g. other display units, video-disc players
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Synchronizing For Television (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23285797A JP3251213B2 (ja) | 1997-08-28 | 1997-08-28 | フェーズ・ロックド・ループ回路 |
JP232857/1997 | 1997-08-28 | ||
JP232857/97 | 1997-08-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1215256A CN1215256A (zh) | 1999-04-28 |
CN1135832C true CN1135832C (zh) | 2004-01-21 |
Family
ID=16945912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981174000A Expired - Fee Related CN1135832C (zh) | 1997-08-28 | 1998-08-27 | 锁相环电路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6222590B1 (zh) |
EP (1) | EP0899717B1 (zh) |
JP (1) | JP3251213B2 (zh) |
KR (1) | KR100358615B1 (zh) |
CN (1) | CN1135832C (zh) |
DE (1) | DE69832239T2 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3506329B2 (ja) * | 2000-06-01 | 2004-03-15 | 松下電器産業株式会社 | 映像切替検出回路 |
KR100433526B1 (ko) * | 2001-09-28 | 2004-05-31 | 삼성전자주식회사 | 영상 처리를 위한 코스트 신호 발생 방법 및 장치 |
JP3989880B2 (ja) * | 2003-08-20 | 2007-10-10 | 松下電器産業株式会社 | Pll回路及び映像表示装置 |
US7576771B1 (en) * | 2005-03-08 | 2009-08-18 | Advanced Micro Devices, Inc. | Method and apparatus of providing video synchronization |
JP5310135B2 (ja) * | 2009-03-12 | 2013-10-09 | 富士通株式会社 | デジタルpll回路 |
CN103346790B (zh) * | 2013-07-19 | 2016-01-13 | 苏州磐启微电子有限公司 | 一种快速锁定的频率综合器 |
CN112785985B (zh) * | 2019-11-04 | 2022-03-11 | 海信视像科技股份有限公司 | 显示设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253116A (en) * | 1979-11-27 | 1981-02-24 | Rca Corporation | Television synchronizing system operable from nonstandard signals |
US4679005A (en) * | 1985-01-23 | 1987-07-07 | Sony Corporation | Phase locked loop with frequency offset |
JPH0767144B2 (ja) * | 1988-08-19 | 1995-07-19 | 三菱電機株式会社 | 画像信号用同期回路 |
JPH071423B2 (ja) * | 1988-12-20 | 1995-01-11 | 株式会社山下電子設計 | パルス発生回路 |
US5189515A (en) * | 1991-02-04 | 1993-02-23 | Industrial Technology Research Institute | Television synchronization signal separator |
JPH0591485A (ja) * | 1991-09-27 | 1993-04-09 | Sanyo Electric Co Ltd | クローズドキヤプシヨン放送受信装置 |
JP2776098B2 (ja) * | 1991-11-27 | 1998-07-16 | 松下電器産業株式会社 | クロック再生回路および時間軸誤差補正装置 |
JPH07199891A (ja) * | 1993-12-28 | 1995-08-04 | Canon Inc | 表示制御装置 |
FR2742623B1 (fr) * | 1995-12-18 | 1998-03-06 | Sgs Thomson Microelectronics | Dispositif de traitement de signaux de synchronisation |
-
1997
- 1997-08-28 JP JP23285797A patent/JP3251213B2/ja not_active Expired - Fee Related
-
1998
- 1998-08-10 DE DE69832239T patent/DE69832239T2/de not_active Expired - Fee Related
- 1998-08-10 EP EP98115022A patent/EP0899717B1/en not_active Expired - Lifetime
- 1998-08-26 KR KR10-1998-0034540A patent/KR100358615B1/ko not_active IP Right Cessation
- 1998-08-27 US US09/141,719 patent/US6222590B1/en not_active Expired - Fee Related
- 1998-08-27 CN CNB981174000A patent/CN1135832C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6222590B1 (en) | 2001-04-24 |
JPH1175084A (ja) | 1999-03-16 |
CN1215256A (zh) | 1999-04-28 |
KR100358615B1 (ko) | 2003-01-24 |
EP0899717A2 (en) | 1999-03-03 |
DE69832239D1 (de) | 2005-12-15 |
EP0899717A3 (en) | 2000-02-23 |
KR19990023865A (ko) | 1999-03-25 |
DE69832239T2 (de) | 2006-08-03 |
JP3251213B2 (ja) | 2002-01-28 |
EP0899717B1 (en) | 2005-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: NEC ELECTRONICS TAIWAN LTD. Free format text: FORMER OWNER: NIPPON ELECTRIC CO., LTD. Effective date: 20030328 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030328 Address after: Kanagawa, Japan Applicant after: NEC Corp. Address before: Tokyo, Japan Applicant before: NEC Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040121 Termination date: 20090928 |