DE3223249A1 - Daempfungsschaltung fuer videosignale - Google Patents
Daempfungsschaltung fuer videosignaleInfo
- Publication number
- DE3223249A1 DE3223249A1 DE19823223249 DE3223249A DE3223249A1 DE 3223249 A1 DE3223249 A1 DE 3223249A1 DE 19823223249 DE19823223249 DE 19823223249 DE 3223249 A DE3223249 A DE 3223249A DE 3223249 A1 DE3223249 A1 DE 3223249A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- circuit
- video signal
- resistor
- output
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004913 activation Effects 0.000 claims description 12
- 230000003111 delayed effect Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/276,010 US4384306A (en) | 1981-06-22 | 1981-06-22 | Variable peaking control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3223249A1 true DE3223249A1 (de) | 1982-12-30 |
| DE3223249C2 DE3223249C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-14 |
Family
ID=23054768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823223249 Granted DE3223249A1 (de) | 1981-06-22 | 1982-06-22 | Daempfungsschaltung fuer videosignale |
Country Status (7)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464679A (en) * | 1981-07-06 | 1984-08-07 | Rca Corporation | Method and apparatus for operating a microprocessor in synchronism with a video signal |
| US4623924A (en) | 1985-02-19 | 1986-11-18 | Rca Corporation | Video signal auto peaking circuitry |
| JP2548117B2 (ja) * | 1985-04-24 | 1996-10-30 | 松下電器産業株式会社 | 映像信号処理装置 |
| JPS61257081A (ja) * | 1985-05-10 | 1986-11-14 | Matsushita Electric Ind Co Ltd | 雑音除去回路 |
| JPH02137595A (ja) * | 1988-11-18 | 1990-05-25 | Sony Corp | ドロップアウトの検出回路 |
| US5060078A (en) * | 1989-07-14 | 1991-10-22 | Mitsubishi Denki Kabushiki Kaisha | Video signal processing apparatus having a noise reduction circuit |
| US5107341A (en) * | 1990-04-30 | 1992-04-21 | Thompson Consumer Electronics, Inc. | Color television apparatus with picture-in-picture processing and with variable chrominance signal filtering |
| US5822011A (en) * | 1995-09-15 | 1998-10-13 | Thomson Consumer Electronics, Inc. | Apparatus for detecting noise in a color video signal |
| US6002447A (en) * | 1996-03-07 | 1999-12-14 | Thomson Consumer Electronics, Inc. | Video signal processing apparatus |
| US7683930B2 (en) * | 2005-06-20 | 2010-03-23 | Microsoft Corporation | Portable vertical blanking interval signal |
| US7479981B2 (en) * | 2005-06-20 | 2009-01-20 | Microsoft Corporation | Testing a vertical blanking interval signal |
| US7265361B2 (en) * | 2005-09-28 | 2007-09-04 | Applied Materials, Inc. | Beam blanker driver system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2996576A (en) * | 1959-02-20 | 1961-08-15 | Ampex | Video system with transient and dropout compensation |
| US3946432A (en) * | 1974-10-10 | 1976-03-23 | Cbs Inc. | Apparatus for digitally encoding a television signal |
| US4041531A (en) * | 1974-07-05 | 1977-08-09 | Rca Corporation | Television signal processing apparatus including a transversal equalizer |
| US4081836A (en) * | 1976-11-30 | 1978-03-28 | The Magnavox Company | Luminance signal processor for providing signal enhancement |
| US4122489A (en) * | 1976-11-15 | 1978-10-24 | Rca Corporation | Signal defect compensator |
| DE3020679A1 (de) * | 1979-06-01 | 1980-12-11 | Rca Corp | Fehlerkompensationsschaltung fuer farbfernsehzwecke |
| US4272785A (en) * | 1979-06-01 | 1981-06-09 | Rca Corporation | Defect compensation for color television |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919714A (en) * | 1974-10-21 | 1975-11-11 | Rca Corp | Automatic peaking apparatus |
| US3984631A (en) * | 1975-02-24 | 1976-10-05 | Warwick Electronics Inc. | Automatic peaking control circuit for low level T.V. signal reception |
| JPS5224029A (en) * | 1975-08-19 | 1977-02-23 | Matsushita Electric Ind Co Ltd | Picture quality adjustment circuit |
| US4090217A (en) * | 1976-08-23 | 1978-05-16 | Gte Laboratories Incorporated | Automatic sharpness control circuit for a television receiver |
| CA1083709A (en) * | 1976-11-15 | 1980-08-12 | Thomas V. Bolger | Signal defect compensator |
| US4189755A (en) * | 1978-03-17 | 1980-02-19 | Microdyne Corporation | Television receiver threshold extension system by means of signal-to-noise control of bandwidth |
| JPS5510228A (en) * | 1978-07-05 | 1980-01-24 | Nec Corp | S/n improving unit for television video signal |
| US4263616A (en) * | 1979-12-03 | 1981-04-21 | Zenith Radio Corporation | Signal peaking method and apparatus |
-
1981
- 1981-06-22 US US06/276,010 patent/US4384306A/en not_active Expired - Fee Related
-
1982
- 1982-06-17 IT IT21922/82A patent/IT1152416B/it active
- 1982-06-18 JP JP57106075A patent/JPS583479A/ja active Granted
- 1982-06-18 GB GB08217686A patent/GB2103048B/en not_active Expired
- 1982-06-21 KR KR8202758A patent/KR880001552B1/ko not_active Expired
- 1982-06-21 FR FR8210819A patent/FR2508265B1/fr not_active Expired
- 1982-06-22 DE DE19823223249 patent/DE3223249A1/de active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2996576A (en) * | 1959-02-20 | 1961-08-15 | Ampex | Video system with transient and dropout compensation |
| US4041531A (en) * | 1974-07-05 | 1977-08-09 | Rca Corporation | Television signal processing apparatus including a transversal equalizer |
| US3946432A (en) * | 1974-10-10 | 1976-03-23 | Cbs Inc. | Apparatus for digitally encoding a television signal |
| US4122489A (en) * | 1976-11-15 | 1978-10-24 | Rca Corporation | Signal defect compensator |
| US4081836A (en) * | 1976-11-30 | 1978-03-28 | The Magnavox Company | Luminance signal processor for providing signal enhancement |
| DE3020679A1 (de) * | 1979-06-01 | 1980-12-11 | Rca Corp | Fehlerkompensationsschaltung fuer farbfernsehzwecke |
| US4272785A (en) * | 1979-06-01 | 1981-06-09 | Rca Corporation | Defect compensation for color television |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2508265B1 (fr) | 1986-12-05 |
| FR2508265A1 (fr) | 1982-12-24 |
| JPS6345151B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-08 |
| GB2103048A (en) | 1983-02-09 |
| US4384306A (en) | 1983-05-17 |
| JPS583479A (ja) | 1983-01-10 |
| GB2103048B (en) | 1985-10-02 |
| IT8221922A0 (it) | 1982-06-17 |
| IT1152416B (it) | 1986-12-31 |
| KR840001038A (ko) | 1984-03-26 |
| DE3223249C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-14 |
| KR880001552B1 (ko) | 1988-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |