BE899835A - Circuit d'attaque pour un circuit de deviation horizontale a plusieurs frequences de balayage. - Google Patents
Circuit d'attaque pour un circuit de deviation horizontale a plusieurs frequences de balayage.Info
- Publication number
- BE899835A BE899835A BE0/213076A BE213076A BE899835A BE 899835 A BE899835 A BE 899835A BE 0/213076 A BE0/213076 A BE 0/213076A BE 213076 A BE213076 A BE 213076A BE 899835 A BE899835 A BE 899835A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- horizontal
- multiple scanning
- horizontal deviation
- scanning frequencies
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
- H03K4/62—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
- H03K4/64—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device combined with means for generating the driving pulses
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Abstract
Un circuit d'attaque pour un circuit de déviation horizontale pouvant fonctionner à plusieurs fréquences de balayage horizontal comprend deux transistors (13, 14) en push-pull; les sources de tension (23, 24) des transistors du circuit d'attaque, qui produisent l'attaque directe et inverse pour le transistor de sortie horizontale, produisent des niveaux de tension qui dépendent de la fréquence de balayage horizontal choisie afin de diminuer la dissipation de puissance pendant la commutation du transistor de sortie horizontale (15).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/524,143 US4633146A (en) | 1983-06-09 | 1983-06-09 | Drive circuit for multiple scan rate horizontal deflection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE899835A true BE899835A (fr) | 1984-10-01 |
Family
ID=24087949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/213076A BE899835A (fr) | 1983-06-09 | 1984-06-06 | Circuit d'attaque pour un circuit de deviation horizontale a plusieurs frequences de balayage. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4633146A (fr) |
JP (1) | JP2673346B2 (fr) |
KR (1) | KR920001824B1 (fr) |
BE (1) | BE899835A (fr) |
CA (1) | CA1236925A (fr) |
DE (1) | DE3421524C2 (fr) |
FR (1) | FR2547474B1 (fr) |
GB (1) | GB2142200B (fr) |
HK (1) | HK43693A (fr) |
IT (1) | IT1176282B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2186138B (en) * | 1986-01-29 | 1989-12-06 | Thorn Emi Ferguson | Television driver circuit |
DE3705615A1 (de) * | 1987-02-21 | 1988-09-01 | Thomson Brandt Gmbh | Zeilenablenkschaltung fuer verschiedene zeilenfrequenzen |
JPH03188709A (ja) * | 1989-12-19 | 1991-08-16 | Hitachi Ltd | のこぎり波発生回路 |
JPH0793694B2 (ja) * | 1990-02-01 | 1995-10-09 | 松下電器産業株式会社 | テレビジョン受像機 |
WO1995018512A1 (fr) * | 1993-12-29 | 1995-07-06 | Leica Ag | Procede et dispositif permettant d'afficher des images video stereoscopiques sur un ecran de visualisation |
JP2790062B2 (ja) * | 1994-11-22 | 1998-08-27 | 日本電気株式会社 | 無線通信装置 |
KR0177103B1 (ko) * | 1995-12-20 | 1999-04-01 | 김광호 | 마이컴을 이용한 수평 사이즈 조절 회로 |
KR19990005562A (ko) * | 1997-06-30 | 1999-01-25 | 배순훈 | 다중 모드 모니터의 수평 편향 보정 회로 |
US6114817A (en) * | 1998-08-07 | 2000-09-05 | Thomson Licensing S.A. | Power Supply for a deflection circuit operating at multi-scan frequencies |
US6208093B1 (en) * | 1999-02-08 | 2001-03-27 | Thomson Licensing S.A. | Selectable clampers for an S-shaping voltage of a video display |
KR100575169B1 (ko) * | 1999-09-10 | 2006-04-28 | 삼성전자주식회사 | 다중모드 영상표시기기의 수평편향회로 |
US6157549A (en) * | 1999-10-22 | 2000-12-05 | Thomson Licensing S.A. | Power supply with multiple mode operation |
KR20040101523A (ko) * | 2002-04-19 | 2004-12-02 | 톰슨 라이센싱 에스.에이. | 주파수 변화에 관련한 편향 공급 전압 피드백 제어 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3056064A (en) * | 1958-04-08 | 1962-09-25 | Warwick Mfg Corp | Transistor switch |
US3491200A (en) * | 1966-09-21 | 1970-01-20 | United Aircraft Corp | Variable scan rate high resolution image transmission system |
US3628083A (en) * | 1969-08-06 | 1971-12-14 | Systems Res Labor | Magnetic deflection amplifier utilizing both positive and negative voltage supplies for high-speed deflection |
US3857059A (en) * | 1971-03-19 | 1974-12-24 | Tektronix Inc | Oscilloscope sweep system with two sweep generators having speed rate switches and sweep mode switches operated by a control knob |
US3887842A (en) * | 1973-06-28 | 1975-06-03 | Bendix Corp | Electronmagnetic deflection display system including dual mode deflection amplifiers and output power limited power supplies |
US3965390A (en) * | 1975-02-21 | 1976-06-22 | Sperry Rand Corporation | Power on demand beam deflection system for CRT displays |
FR2374801A1 (fr) * | 1976-12-20 | 1978-07-13 | Rca Corp | Circuit d'attaque pour etage deflecteur a transistor |
US4353013A (en) * | 1978-04-17 | 1982-10-05 | Cpt Corporation | Drive circuits for a high resolutions cathode ray tube display |
US4323826A (en) * | 1978-04-17 | 1982-04-06 | Cpt Corporation | Drive circuits for a high resolution cathode ray tube display |
US4227123A (en) * | 1979-02-12 | 1980-10-07 | Rca Corporation | Switching amplifier for driving a load through an alternating-current path with a constant-amplitude, varying duty cycle signal |
US4241296A (en) * | 1979-05-29 | 1980-12-23 | Tektronix, Inc. | Horizontal deflection circuit including protection for output transistor |
US4400653A (en) * | 1982-03-24 | 1983-08-23 | Tektronix, Inc. | Resonant scan deflection circuit with flyback voltage limiting |
US4588929A (en) * | 1983-05-25 | 1986-05-13 | Rca Corporation | Power supply and deflection circuit providing multiple scan rates |
-
1983
- 1983-06-09 US US06/524,143 patent/US4633146A/en not_active Expired - Lifetime
-
1984
- 1984-06-06 CA CA000455952A patent/CA1236925A/fr not_active Expired
- 1984-06-06 BE BE0/213076A patent/BE899835A/fr not_active IP Right Cessation
- 1984-06-06 GB GB08414480A patent/GB2142200B/en not_active Expired
- 1984-06-07 KR KR1019840003184A patent/KR920001824B1/ko not_active IP Right Cessation
- 1984-06-07 IT IT8421293A patent/IT1176282B/it active
- 1984-06-08 DE DE3421524A patent/DE3421524C2/de not_active Expired - Lifetime
- 1984-06-08 JP JP59118964A patent/JP2673346B2/ja not_active Expired - Lifetime
- 1984-06-08 FR FR848409042A patent/FR2547474B1/fr not_active Expired
-
1993
- 1993-05-06 HK HK436/93A patent/HK43693A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4633146A (en) | 1986-12-30 |
KR850000854A (ko) | 1985-03-09 |
IT8421293A0 (it) | 1984-06-07 |
KR920001824B1 (ko) | 1992-03-03 |
GB2142200A (en) | 1985-01-09 |
DE3421524C2 (de) | 1993-10-28 |
CA1236925A (fr) | 1988-05-17 |
DE3421524A1 (de) | 1984-12-13 |
GB8414480D0 (en) | 1984-07-11 |
GB2142200B (en) | 1988-03-23 |
HK43693A (en) | 1993-05-14 |
JP2673346B2 (ja) | 1997-11-05 |
JPS6041884A (ja) | 1985-03-05 |
FR2547474A1 (fr) | 1984-12-14 |
IT8421293A1 (it) | 1985-12-07 |
FR2547474B1 (fr) | 1989-12-22 |
IT1176282B (it) | 1987-08-18 |
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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: 19990630 |