IT1183335B - Circuito di commutazione di frequenza per un apparato di visualizzazione video a piu' frequenze di scansione - Google Patents
Circuito di commutazione di frequenza per un apparato di visualizzazione video a piu' frequenze di scansioneInfo
- Publication number
- IT1183335B IT1183335B IT19483/85A IT1948385A IT1183335B IT 1183335 B IT1183335 B IT 1183335B IT 19483/85 A IT19483/85 A IT 19483/85A IT 1948385 A IT1948385 A IT 1948385A IT 1183335 B IT1183335 B IT 1183335B
- Authority
- IT
- Italy
- Prior art keywords
- switching circuit
- frequency switching
- multiple scan
- visualization apparatus
- scan video
- 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
- 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
- H04N3/27—Circuits special to multi-standard receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/581,513 US4645989A (en) | 1984-02-21 | 1984-02-21 | Frequency switching circuit for multiple scan rate video display apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8519483A0 IT8519483A0 (it) | 1985-02-13 |
IT1183335B true IT1183335B (it) | 1987-10-22 |
Family
ID=24325491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19483/85A IT1183335B (it) | 1984-02-21 | 1985-02-13 | Circuito di commutazione di frequenza per un apparato di visualizzazione video a piu' frequenze di scansione |
Country Status (10)
Country | Link |
---|---|
US (1) | US4645989A (it) |
JP (1) | JPS60194675A (it) |
KR (1) | KR930004006B1 (it) |
BE (1) | BE901778A (it) |
CA (1) | CA1231180A (it) |
DE (1) | DE3505871A1 (it) |
FR (1) | FR2559980B1 (it) |
GB (1) | GB2154838B (it) |
HK (1) | HK23893A (it) |
IT (1) | IT1183335B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0646786B2 (ja) * | 1985-04-19 | 1994-06-15 | ソニー株式会社 | マルチ走査形テレビジヨン受像機の水平偏向回路 |
GB2177270A (en) * | 1985-06-19 | 1987-01-14 | Philips Electronic Associated | Line output circuit for generating a sawtooth current at two frequencies |
DE3529961A1 (de) * | 1985-08-22 | 1987-03-05 | Loewe Opta Gmbh | Schaltungsanordnung in einem bildschirmgeraet zur vermeidung von geometrieverzerrungen bei der darstellung von texten, grafiken und symbolen |
GB8618140D0 (en) * | 1986-07-24 | 1986-09-03 | Microvitec Plc | Horizontal deflection stage |
US4761587A (en) * | 1986-12-17 | 1988-08-02 | Rca Licensing Corporation | Multiple frequency horizontal oscillator for video apparatus |
DE3743601C3 (de) * | 1986-12-31 | 1995-04-20 | Gold Star Co | Hochspannung-Stabilisierschaltung für Überhitzungsschutz |
US5325025A (en) * | 1993-03-19 | 1994-06-28 | Zenith Electronics Corporation | Multiple frequency horizontal scan compensation system |
KR19990061597A (ko) * | 1997-12-31 | 1999-07-26 | 전주범 | 모니터의 스캔 b+전압 생성회로 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3786303A (en) * | 1971-04-12 | 1974-01-15 | Sperry Rand Corp | Cathode ray tube dual mode horizontal deflection control amplifier |
US3784872A (en) * | 1971-09-02 | 1974-01-08 | Ball Brothers Res Corp | Scan deflection circuit device |
FR2171928B1 (it) * | 1972-02-16 | 1975-06-13 | Oceanic | |
US3816792A (en) * | 1972-12-21 | 1974-06-11 | Sperry Rand Corp | Cathode ray tube high speed electromagnetic deflection system |
JPS5940346B2 (ja) * | 1977-03-04 | 1984-09-29 | 株式会社日立製作所 | 水平偏向装置 |
JPS5937916B2 (ja) * | 1978-04-17 | 1984-09-12 | 三洋電機株式会社 | テレビジヨン受像機の水平回路の保護回路 |
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 |
-
1984
- 1984-02-21 US US06/581,513 patent/US4645989A/en not_active Expired - Lifetime
-
1985
- 1985-02-13 CA CA000474245A patent/CA1231180A/en not_active Expired
- 1985-02-13 IT IT19483/85A patent/IT1183335B/it active
- 1985-02-14 GB GB08503767A patent/GB2154838B/en not_active Expired
- 1985-02-19 KR KR1019850001023A patent/KR930004006B1/ko not_active IP Right Cessation
- 1985-02-20 JP JP60033640A patent/JPS60194675A/ja active Granted
- 1985-02-20 BE BE0/214540A patent/BE901778A/fr not_active IP Right Cessation
- 1985-02-20 FR FR858502449A patent/FR2559980B1/fr not_active Expired
- 1985-02-20 DE DE19853505871 patent/DE3505871A1/de active Granted
-
1993
- 1993-03-18 HK HK238/93A patent/HK23893A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3505871C2 (it) | 1987-04-16 |
FR2559980B1 (fr) | 1989-04-14 |
JPS60194675A (ja) | 1985-10-03 |
BE901778A (fr) | 1985-06-17 |
GB2154838A (en) | 1985-09-11 |
HK23893A (en) | 1993-03-26 |
DE3505871A1 (de) | 1985-08-22 |
FR2559980A1 (fr) | 1985-08-23 |
US4645989A (en) | 1987-02-24 |
KR930004006B1 (ko) | 1993-05-19 |
GB2154838B (en) | 1987-05-20 |
GB8503767D0 (en) | 1985-03-20 |
CA1231180A (en) | 1988-01-05 |
JPH0511468B2 (it) | 1993-02-15 |
KR850006813A (ko) | 1985-10-16 |
IT8519483A0 (it) | 1985-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970226 |