ES468715A1 - Un circuito perfeccionado para producir una senal parabolicaperiodica. - Google Patents
Un circuito perfeccionado para producir una senal parabolicaperiodica.Info
- Publication number
- ES468715A1 ES468715A1 ES468715A ES468715A ES468715A1 ES 468715 A1 ES468715 A1 ES 468715A1 ES 468715 A ES468715 A ES 468715A ES 468715 A ES468715 A ES 468715A ES 468715 A1 ES468715 A1 ES 468715A1
- Authority
- ES
- Spain
- Prior art keywords
- producing
- circuit
- parabolic signal
- periodic
- during
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
-
- 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
- H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
- H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
- H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Un circuito perfeccionado para producir una señal parabólica periódica, que comprende un paso elevador al cuadrado para modificar una señal en forma de diente de sierra que tiene un periodo de exploración y un periodo de retroceso y con la misma frecuencia.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7704062A NL7704062A (nl) | 1977-04-14 | 1977-04-14 | Schakeling voor het opwekken van een periodiek paraboolvormig signaal. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES468715A1 true ES468715A1 (es) | 1978-12-16 |
Family
ID=19828348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES468715A Expired ES468715A1 (es) | 1977-04-14 | 1978-04-12 | Un circuito perfeccionado para producir una senal parabolicaperiodica. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4216392A (es) |
JP (1) | JPS53128930A (es) |
AU (1) | AU3497678A (es) |
DE (1) | DE2815028C2 (es) |
ES (1) | ES468715A1 (es) |
FR (1) | FR2387552A1 (es) |
IT (1) | IT1108601B (es) |
NL (1) | NL7704062A (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54127217A (en) * | 1978-03-27 | 1979-10-03 | Sony Corp | Load driver circuit |
FI63845C (fi) * | 1981-10-14 | 1983-08-10 | Salora Oy | Saett att bilda en av horisontal- och vertikalavlaenkningen ho ett bildroer beroende varierande fokuseringsspaenning sa mtoppling foer genomfoerande av saettet |
US4459614A (en) * | 1981-12-24 | 1984-07-10 | Ampex Corporation | Rotation-free electrical focussing circuit for television image tubes |
AU574060B2 (en) * | 1983-02-02 | 1988-06-30 | N.V. Philips Gloeilampenfabrieken | Field deflection circuit with multiplier |
GB2160080B (en) * | 1984-06-05 | 1988-01-20 | Motorola Inc | Timebase circuit |
US4849652A (en) * | 1986-12-01 | 1989-07-18 | U.S. Philips Corporation | Circuit for producing a periodic, essentially parabolic signal |
US4733140A (en) * | 1987-01-06 | 1988-03-22 | Zenith Electronics Corporation | Side pincushion correction circuit with automatic picture tracking |
JPH03188709A (ja) * | 1989-12-19 | 1991-08-16 | Hitachi Ltd | のこぎり波発生回路 |
US5034664A (en) * | 1990-04-27 | 1991-07-23 | Thomson Consumer Electronics, Inc. | Parabola generators with auxiliary reset function |
TW319939B (es) * | 1993-12-13 | 1997-11-11 | Thomson Consumer Electronics | |
US6014049A (en) * | 1995-04-28 | 2000-01-11 | Delco Electronics Corp. | Reduced RFI power pulse modulator |
KR19990044340A (ko) * | 1996-06-26 | 1999-06-25 | 요트.게.아. 롤페즈 | 포커싱 회로를 가지는 화상 표시 장치 및 그 포커싱 신호 발생방법 |
US7102302B2 (en) * | 2002-04-19 | 2006-09-05 | Thomson Licensing | Waveform generator for controlling an electron beam in a cathode ray tube |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3181079A (en) * | 1959-12-18 | 1965-04-27 | Philips Corp | Series energized transistorised amplifier having a high input resistance |
NL282965A (es) * | 1962-09-06 | |||
US3394266A (en) * | 1964-10-27 | 1968-07-23 | Rca Corp | Direct current electrical neuron circuit |
DE1956140A1 (de) * | 1969-11-07 | 1971-05-13 | Licentia Gmbh | Schaltung zur Ost-West-Korrektur von Kissenverzeichnungen in Fernsehempfaengern |
BE758414A (fr) * | 1969-11-04 | 1971-05-03 | Philips Nv | Circuit de commande destine a un cicuit de deviation d'un dispositif dereproduction d'images |
US3684896A (en) * | 1970-08-26 | 1972-08-15 | Meridian Industries Inc | Flasher circuit with short protection |
DE2130542A1 (de) * | 1971-06-19 | 1972-12-21 | Licentia Gmbh | Schaltung zur Speisung einer Ablenkspule fuer eine Kathoden-strahlroehre,insbesondere fuer die Vertikalablenkung,mit vier eine Brueckenschaltung bildenden Endstufentransistoren |
US3740611A (en) * | 1971-07-28 | 1973-06-19 | Motorola Inc | Vertical deflection waveform generator |
DE2400824A1 (de) * | 1974-01-09 | 1975-07-17 | Licentia Gmbh | Vertikalablenk-verstaerker mit gegenkopplung in fernsehempfaengern mit zwischenzeilenverfahren |
DE2558554A1 (de) * | 1975-12-24 | 1977-06-30 | Philips Patentverwaltung | Schaltungsanordnung zum erzeugen eines parabelfoermigen signals aus einer saegezahnfoermigen steuergroesse |
-
1977
- 1977-04-14 NL NL7704062A patent/NL7704062A/xx not_active Application Discontinuation
-
1978
- 1978-04-03 US US05/892,788 patent/US4216392A/en not_active Expired - Lifetime
- 1978-04-07 DE DE2815028A patent/DE2815028C2/de not_active Expired
- 1978-04-11 JP JP4182578A patent/JPS53128930A/ja active Pending
- 1978-04-11 AU AU34976/78A patent/AU3497678A/en active Pending
- 1978-04-11 IT IT67805/78A patent/IT1108601B/it active
- 1978-04-12 FR FR7810776A patent/FR2387552A1/fr not_active Withdrawn
- 1978-04-12 ES ES468715A patent/ES468715A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4216392A (en) | 1980-08-05 |
JPS53128930A (en) | 1978-11-10 |
FR2387552A1 (fr) | 1978-11-10 |
IT1108601B (it) | 1985-12-09 |
AU3497678A (en) | 1979-10-18 |
NL7704062A (nl) | 1978-10-17 |
IT7867805A0 (it) | 1978-04-11 |
DE2815028C2 (de) | 1982-03-04 |
DE2815028A1 (de) | 1978-10-19 |
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