CA1149056A - Horizontal scanning rate correction apparatus - Google Patents
Horizontal scanning rate correction apparatusInfo
- Publication number
- CA1149056A CA1149056A CA000348829A CA348829A CA1149056A CA 1149056 A CA1149056 A CA 1149056A CA 000348829 A CA000348829 A CA 000348829A CA 348829 A CA348829 A CA 348829A CA 1149056 A CA1149056 A CA 1149056A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- scanning rate
- horizontal
- horizontal scanning
- correcting
- 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
- 238000012937 correction Methods 0.000 title claims abstract description 39
- 238000010894 electron beam technology Methods 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 12
- 230000004069 differentiation Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/22—Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information
- H04N9/24—Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information using means, integral with, or external to, the tube, for producing signal indicating instantaneous beam position
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40138/79 | 1979-04-03 | ||
| JP4013879A JPS55133183A (en) | 1979-04-03 | 1979-04-03 | Correction circuit for horizontal linearity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149056A true CA1149056A (en) | 1983-06-28 |
Family
ID=12572419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000348829A Expired CA1149056A (en) | 1979-04-03 | 1980-03-31 | Horizontal scanning rate correction apparatus |
Country Status (8)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111588A (ja) * | 1983-11-21 | 1985-06-18 | Sony Corp | ビ−ムインデックス型テレビジョン受像機 |
| US4620136A (en) * | 1984-11-29 | 1986-10-28 | Rca Corporation | Digital vertical beam landing correction circuit |
| JPH081545B2 (ja) * | 1985-10-01 | 1996-01-10 | キヤノン株式会社 | 表示制御方法 |
| US4658288A (en) * | 1986-08-06 | 1987-04-14 | Zenith Electronics Corporation | Beam index system with switchable memories |
| DE3732002A1 (de) * | 1987-09-23 | 1989-04-06 | Gerald Dipl Phys Meyer | Farbfernsehprojektionseinrichtung mit selbsttaetiger korrektur von bildgeometrie und farbkonvergenz |
| US5239243A (en) * | 1992-10-01 | 1993-08-24 | Alliant Techsystems, Inc., | CRT beam deflection system |
| US5250878A (en) * | 1992-10-07 | 1993-10-05 | Alliant Techsystems, Inc. | CRT beam intensity correction system |
| GB2294172A (en) * | 1994-10-14 | 1996-04-17 | Ibm | Moire interference detection for raster-scanned CRT displays |
| DE69734184T2 (de) * | 1996-04-26 | 2006-06-29 | Koninklijke Philips Electronics N.V. | Erzeugung eines signals zur anzeige der position des elektronenstrahllichtpunkts |
| US5896170A (en) * | 1996-07-02 | 1999-04-20 | Display Laboratories, Inc. | Dynamic alignment of cathode ray tube rasters |
| US5969486A (en) * | 1997-01-16 | 1999-10-19 | Display Laboratories, Inc. | Detecting horizontal blanking time in cathode ray tube devices |
| US6285397B1 (en) | 1997-01-16 | 2001-09-04 | Display Laboratories, Inc. | Alignment of cathode ray tube video displays using a host computer processor |
| US6437829B1 (en) | 1997-01-16 | 2002-08-20 | Display Laboratories, Inc. | Alignment of cathode ray tube displays using a video graphics controller |
| TW445432B (en) * | 1999-09-15 | 2001-07-11 | Avision Inc | Optical scanner to adjust the image sensing voltage by controlling the exposure time of the sensor cell |
| WO2003038856A1 (en) * | 2001-10-29 | 2003-05-08 | Koninklijke Philips Electronics N.V. | A method of reducing deflection errors for flat intelligent tracking (fit) crts |
| US6882096B2 (en) * | 2003-07-10 | 2005-04-19 | Sony Corporation | Active landing control system for raster based devices |
| CN112843497B (zh) * | 2021-01-05 | 2022-09-16 | 中国科学院上海高等研究院 | 一种基于射频偏转腔技术的质子束流扫描装置及扫描方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735029A (en) * | 1971-04-09 | 1973-05-22 | D Sunstein | Method and apparatus for maintaining the beam current of an image-display device within controlled limits |
| JPS4874921A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-12-30 | 1973-10-09 | ||
| JPS5197927A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-02-25 | 1976-08-28 | ||
| JPS5586212A (en) * | 1978-12-22 | 1980-06-28 | Sony Corp | Frequency tracking circuit |
-
1979
- 1979-04-03 JP JP4013879A patent/JPS55133183A/ja active Granted
-
1980
- 1980-03-31 US US06/135,667 patent/US4314179A/en not_active Expired - Lifetime
- 1980-03-31 AU AU56997/80A patent/AU534074B2/en not_active Expired
- 1980-03-31 CA CA000348829A patent/CA1149056A/en not_active Expired
- 1980-04-02 GB GB8011093A patent/GB2049373B/en not_active Expired
- 1980-04-02 NL NL8001960A patent/NL8001960A/nl not_active Application Discontinuation
- 1980-04-03 DE DE19803013247 patent/DE3013247A1/de not_active Withdrawn
- 1980-04-03 FR FR8007589A patent/FR2453562A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3013247A1 (de) | 1980-10-23 |
| JPS6244465B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-09-21 |
| GB2049373A (en) | 1980-12-17 |
| AU5699780A (en) | 1980-10-09 |
| GB2049373B (en) | 1982-12-08 |
| FR2453562A1 (fr) | 1980-10-31 |
| US4314179A (en) | 1982-02-02 |
| AU534074B2 (en) | 1984-01-05 |
| NL8001960A (nl) | 1980-10-07 |
| JPS55133183A (en) | 1980-10-16 |
| FR2453562B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |