BE900782A - Circuit d'interface dans un dispositif de visualisation video, pour le reglage de la frequence de l'oscillateur. - Google Patents
Circuit d'interface dans un dispositif de visualisation video, pour le reglage de la frequence de l'oscillateur.Info
- Publication number
- BE900782A BE900782A BE0/213804A BE213804A BE900782A BE 900782 A BE900782 A BE 900782A BE 0/213804 A BE0/213804 A BE 0/213804A BE 213804 A BE213804 A BE 213804A BE 900782 A BE900782 A BE 900782A
- Authority
- BE
- Belgium
- Prior art keywords
- adjusting
- interface circuit
- display device
- video display
- oscillator frequency
- Prior art date
Links
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
- 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
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Synchronizing For Television (AREA)
Abstract
Le dispositif comprend un circuit d'interface (62), qui contient un commutateur à deux transistors (53, 54) et un condensateur (56) permettant d'ajuster la fréquence de fonctionnement de l'oscillateur horizontal pour obtenir sa synchronisation sur les impulsions reçues de synchronisation horizontale. L'invention s'applique notamment à la télévision ou aux moniteurs de calculateur.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE0/213805A BE900783A (fr) | 1984-10-09 | 1984-10-09 | Recuperation thermodynamique d'energie perdue dans des locaux industriels et prelevement d'energie d'ambiance par echangeurs statiques. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/542,311 US4612574A (en) | 1983-10-14 | 1983-10-14 | Oscillator-frequency control interface circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE900782A true BE900782A (fr) | 1985-02-01 |
Family
ID=24163260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/213804A BE900782A (fr) | 1983-10-14 | 1984-10-09 | Circuit d'interface dans un dispositif de visualisation video, pour le reglage de la frequence de l'oscillateur. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4612574A (fr) |
JP (1) | JPS60103774A (fr) |
KR (1) | KR920007153B1 (fr) |
BE (1) | BE900782A (fr) |
CA (1) | CA1230689A (fr) |
DE (1) | DE3437732A1 (fr) |
FR (1) | FR2553612B1 (fr) |
GB (1) | GB2148634B (fr) |
HK (1) | HK24793A (fr) |
IT (1) | IT1176959B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4761587A (en) * | 1986-12-17 | 1988-08-02 | Rca Licensing Corporation | Multiple frequency horizontal oscillator for video apparatus |
JPH0463235U (fr) * | 1990-10-05 | 1992-05-29 | ||
KR960018856A (ko) * | 1994-11-30 | 1996-06-17 | 배순훈 | 모니터 수평 발진회로의 스타트 레벨 조정 회로 |
KR960042890A (ko) * | 1995-05-15 | 1996-12-21 | 윤종용 | 수평 주파수 인터페이스 회로를 갖는 수평 편향 장치 |
US5610663A (en) * | 1996-01-17 | 1997-03-11 | Acer Peripherals, Inc. | Multi-frequency displaying device for displaying both television and personal computer video signals |
KR100391580B1 (ko) * | 1997-07-12 | 2003-10-22 | 삼성전자주식회사 | 복합신호의수직동기신호생성장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241084A (en) * | 1962-10-29 | 1966-03-15 | Motorola Inc | System to extend the control range of phase locked oscillators |
US3319179A (en) * | 1966-03-11 | 1967-05-09 | Zenith Radio Corp | Automatic frequency controlled signal generator |
NL7017137A (fr) * | 1970-11-24 | 1972-05-26 | ||
JPS49110218A (fr) * | 1973-02-20 | 1974-10-21 | ||
US4047223A (en) * | 1976-01-16 | 1977-09-06 | Zenith Radio Corporation | Frequency scanning automatic phase control system |
GB1556841A (en) * | 1976-12-28 | 1979-11-28 | Tokyo Shibaura Electric Co | Automatic frequency control circuit |
JPS5547774A (en) * | 1978-09-29 | 1980-04-04 | Sony Corp | Phase synchronism circuit |
US4327376A (en) * | 1978-10-05 | 1982-04-27 | Rca Corporation | Dual phase-control loop horizontal deflection synchronizing circuit |
US4228463A (en) * | 1979-05-17 | 1980-10-14 | Rca Corporation | Switched AFPC loop filter with offset voltage cancellation |
US4243918A (en) * | 1979-05-29 | 1981-01-06 | Rca Corporation | Signal integrator with time constant controlled by differentiating feedback |
US4280104A (en) * | 1979-08-10 | 1981-07-21 | Matsushita Electric Corporation Of America | Phase locked loop system with improved acquisition |
US4266245A (en) * | 1980-01-29 | 1981-05-05 | Rca Corporation | Differential amplifier current repeater |
NL8005054A (nl) * | 1980-09-08 | 1982-04-01 | Philips Nv | Schakeling voor het opwekken van een periodiek zaagtandvormig signaal. |
-
1983
- 1983-10-14 US US06/542,311 patent/US4612574A/en not_active Expired - Lifetime
-
1984
- 1984-10-04 CA CA000464786A patent/CA1230689A/fr not_active Expired
- 1984-10-09 BE BE0/213804A patent/BE900782A/fr not_active IP Right Cessation
- 1984-10-10 GB GB08425605A patent/GB2148634B/en not_active Expired
- 1984-10-12 FR FR848415697A patent/FR2553612B1/fr not_active Expired
- 1984-10-12 KR KR1019840006328A patent/KR920007153B1/ko not_active IP Right Cessation
- 1984-10-12 JP JP59215076A patent/JPS60103774A/ja active Granted
- 1984-10-12 IT IT23140/84A patent/IT1176959B/it active
- 1984-10-15 DE DE3437732A patent/DE3437732A1/de active Granted
-
1993
- 1993-03-18 HK HK247/93A patent/HK24793A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1176959B (it) | 1987-08-26 |
GB8425605D0 (en) | 1984-11-14 |
IT8423140A0 (it) | 1984-10-12 |
CA1230689A (fr) | 1987-12-22 |
GB2148634A (en) | 1985-05-30 |
DE3437732A1 (de) | 1985-04-25 |
KR920007153B1 (ko) | 1992-08-27 |
FR2553612B1 (fr) | 1989-12-22 |
GB2148634B (en) | 1987-06-17 |
FR2553612A1 (fr) | 1985-04-19 |
DE3437732C2 (fr) | 1989-09-21 |
JPH029505B2 (fr) | 1990-03-02 |
HK24793A (en) | 1993-03-26 |
KR850003486A (ko) | 1985-06-17 |
JPS60103774A (ja) | 1985-06-08 |
US4612574A (en) | 1986-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address of the owner of the patent |
Owner name: *RCA LICENSING CORP.:TWO INDEPENDENCE WAY, PRINCET Effective date: 19881003 |
|
RE | Patent lapsed |
Owner name: RCA LICENSING CORP. Effective date: 19991031 |