KR840005000A - 수평주사 주파수 체배회로 - Google Patents
수평주사 주파수 체배회로 Download PDFInfo
- Publication number
- KR840005000A KR840005000A KR1019830001928A KR830001928A KR840005000A KR 840005000 A KR840005000 A KR 840005000A KR 1019830001928 A KR1019830001928 A KR 1019830001928A KR 830001928 A KR830001928 A KR 830001928A KR 840005000 A KR840005000 A KR 840005000A
- Authority
- KR
- South Korea
- Prior art keywords
- output signal
- flop
- flip
- phase
- locked loop
- Prior art date
Links
- 239000002131 composite material Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3036—Time code signal
- G11B27/3054—Vertical Interval Time code [VITC]
-
- 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
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/932—Regeneration of analogue synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
- Television Signal Processing For Recording (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래회로의 한 예를 도시한 블럭선도.
제2도는 본 발명회로의 한 실시를 도시한 블럭선도.
제3(a)도, 제3(b)도는 각기 제2도의 동작설명용 타임챠트.
Claims (1)
- 복합동기신호로부터 그 수평동기 신호에 위상동기되게 하는 동시에, 수평주사 주파수의 3배이상의 반복 주파수의 채배신호를 분주기가 있는 위상고정 루프를 사용하여 발생하는 수평주사 주파수체배회로에 있어서, 플립플롭과 그 플립플롭의 세트상태시의 출력신호에 의해 상기 위상고정루프로부터 출력되는 체배출력신호의 계수를 다음식의 부등식1/2H∠T1∠H(단, H는 수평주사 주기 : 이하 같음)을 채우는 시간 T1만을 행항 시점에서 그 플립플롭을 리세트하기 위한 계수출력을 발생하는 제1의 카운터와 상기 위상고정루프에 의한 체배출력 신호를 계수하는 제2의 카운터와 그 제2의 카운터의 계수치 설정회로와 그 계수치 설정회로의 소정레벨의 출력신호가 상기 플립플롭이 세트되어서부터의 계수시간 T2를 다음식의 부등식H∠T2∠2H을 만족하는 T2를 넘은 때에 출력되도록 하고 그 계수치 설정회로의 소정 레벨의출력신호와 상기 복합동기신호와의 논리합을 이루게 하여 그 출력신호에 의해 플립플롭을 세트함과 함께 제2의 카운터를 리세트하는 논리화회로를 구비하고 이 플립플롭의 출력신호를 상기 위상 고정루프내의 위상비교기에 공급하여 그 위상고정루프에서 수평주사 주파수의 체배 출력신호를 얻도록 구성한 것을 특징으로 하는 수평주사 주파수 체배회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP75784 | 1982-05-06 | ||
JP57075784A JPS58191573A (ja) | 1982-05-06 | 1982-05-06 | 水平走査周波数逓倍回路 |
JP57-75784 | 1982-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840005000A true KR840005000A (ko) | 1984-10-31 |
KR860000089B1 KR860000089B1 (ko) | 1986-02-18 |
Family
ID=13586180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830001928A KR860000089B1 (ko) | 1982-05-06 | 1983-05-06 | 수평주사 주파수 체배회로 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4520394A (ko) |
JP (1) | JPS58191573A (ko) |
KR (1) | KR860000089B1 (ko) |
DE (1) | DE3316192C2 (ko) |
FR (1) | FR2526619B1 (ko) |
GB (1) | GB2120479B (ko) |
NL (1) | NL8301573A (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556903B1 (fr) * | 1983-12-15 | 1986-04-11 | Telediffusion Fse | Procede et circuits de regeneration d'instants significatifs d'un signal periodique |
JPH0644818B2 (ja) * | 1984-04-13 | 1994-06-08 | 日本電信電話株式会社 | 表示装置 |
JPS60237778A (ja) * | 1984-05-10 | 1985-11-26 | Mitsubishi Electric Corp | 磁気記録再生装置 |
JPS61206995U (ko) * | 1985-06-17 | 1986-12-27 | ||
JPH0636562B2 (ja) * | 1985-07-29 | 1994-05-11 | 富士写真フイルム株式会社 | 自動周波数引込回路 |
US4709268A (en) * | 1985-07-29 | 1987-11-24 | Fuji Photo Film Co., Ltd. | Automatic frequency pulling circuit |
JPS6229272A (ja) * | 1985-07-29 | 1987-02-07 | Fuji Photo Film Co Ltd | 自動周波数引込回路 |
FR2608873B1 (fr) * | 1986-12-23 | 1989-03-24 | Radiotechnique Compelec | Dispositif de reception de donnees numeriques comportant un circuit de reconnaissance de debut de paquet |
DE3700507A1 (de) * | 1987-01-09 | 1988-08-04 | Thomson Brandt Gmbh | Verfahren zur uebertragung eines signals |
JPH0793709B2 (ja) * | 1987-09-30 | 1995-10-09 | 株式会社日立製作所 | テレビジョン受像機 |
JP2635667B2 (ja) * | 1988-03-31 | 1997-07-30 | 株式会社東芝 | 自動周波数制御回路 |
US4905085A (en) * | 1988-09-29 | 1990-02-27 | E. I. Du Pont De Nemours And Company | Synchronous sampling system |
JPH02108480U (ko) * | 1989-02-15 | 1990-08-29 | ||
US5223931A (en) * | 1990-03-26 | 1993-06-29 | Thomson Consumer Electronics, Inc. | Synchronized scanning at horizontal frequency |
US5329367A (en) * | 1990-03-26 | 1994-07-12 | Thomson Consumer Electronics, Inc. | Horizontal blanking |
JPH04183074A (ja) * | 1990-11-16 | 1992-06-30 | Matsushita Electric Ind Co Ltd | 水平同期検出装置 |
JPH05207327A (ja) * | 1992-01-27 | 1993-08-13 | Mitsubishi Electric Corp | 水平同期回路 |
JPH0832833A (ja) * | 1994-07-13 | 1996-02-02 | Rohm Co Ltd | ビデオシステムパルス生成回路 |
US6310922B1 (en) * | 1995-12-12 | 2001-10-30 | Thomson Consumer Electronics, Inc. | Method and apparatus for generating variable rate synchronization signals |
US5815694A (en) * | 1995-12-21 | 1998-09-29 | International Business Machines Corporation | Apparatus and method to change a processor clock frequency |
TW486909B (en) * | 2000-11-06 | 2002-05-11 | Benq Corp | Signal converting apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532810A (en) * | 1967-09-07 | 1970-10-06 | Rca Corp | Digital logic circuit for deriving synchronizing signals from a composite signal |
CH566089A5 (ko) * | 1973-12-20 | 1975-08-29 | Hasler Ag | |
AU507872B2 (en) * | 1977-05-16 | 1980-02-28 | Matsushita Electric Industrial Co., Ltd. | Circuitry for lira recognition ofa television signal |
JPS5923496B2 (ja) * | 1977-08-25 | 1984-06-02 | 富士通株式会社 | タイミング抽出方式 |
JPS5577279A (en) * | 1978-12-06 | 1980-06-10 | Sony Corp | Forming circuit for control signal |
GB2064273B (en) * | 1979-11-23 | 1983-10-19 | Marconi Co Ltd | Data transmission clock pulse recovery |
JPS5935218B2 (ja) * | 1979-12-29 | 1984-08-27 | クラリオン株式会社 | Pll回路 |
JPS6051312B2 (ja) * | 1981-03-20 | 1985-11-13 | 日本ビクター株式会社 | 水平走査周波数逓倍回路 |
-
1982
- 1982-05-06 JP JP57075784A patent/JPS58191573A/ja active Granted
-
1983
- 1983-05-02 US US06/490,667 patent/US4520394A/en not_active Expired - Fee Related
- 1983-05-04 NL NL8301573A patent/NL8301573A/nl not_active Application Discontinuation
- 1983-05-04 DE DE3316192A patent/DE3316192C2/de not_active Expired
- 1983-05-05 GB GB08312266A patent/GB2120479B/en not_active Expired
- 1983-05-05 FR FR8307515A patent/FR2526619B1/fr not_active Expired
- 1983-05-06 KR KR1019830001928A patent/KR860000089B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3316192C2 (de) | 1985-04-11 |
NL8301573A (nl) | 1983-12-01 |
GB2120479A (en) | 1983-11-30 |
FR2526619A1 (fr) | 1983-11-10 |
GB2120479B (en) | 1986-01-08 |
DE3316192A1 (de) | 1983-11-17 |
FR2526619B1 (fr) | 1989-01-13 |
KR860000089B1 (ko) | 1986-02-18 |
JPS6337550B2 (ko) | 1988-07-26 |
US4520394A (en) | 1985-05-28 |
JPS58191573A (ja) | 1983-11-08 |
GB8312266D0 (en) | 1983-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19941219 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |