NL8303273A - Stelsel voor verwerking van videosignalen. - Google Patents
Stelsel voor verwerking van videosignalen. Download PDFInfo
- Publication number
- NL8303273A NL8303273A NL8303273A NL8303273A NL8303273A NL 8303273 A NL8303273 A NL 8303273A NL 8303273 A NL8303273 A NL 8303273A NL 8303273 A NL8303273 A NL 8303273A NL 8303273 A NL8303273 A NL 8303273A
- Authority
- NL
- Netherlands
- Prior art keywords
- delay
- emphasis
- coefficient
- circuit
- type
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000003111 delayed effect Effects 0.000 claims description 5
- 230000004069 differentiation Effects 0.000 claims 1
- 210000002683 foot Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 230000009897 systematic effect Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57166800A JPS5956204A (ja) | 1982-09-25 | 1982-09-25 | 記録再生装置 |
| JP16680082 | 1982-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8303273A true NL8303273A (nl) | 1984-04-16 |
Family
ID=15837909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8303273A NL8303273A (nl) | 1982-09-25 | 1983-09-23 | Stelsel voor verwerking van videosignalen. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4587576A (cs) |
| JP (1) | JPS5956204A (cs) |
| DE (1) | DE3334675C2 (cs) |
| FR (1) | FR2533787B1 (cs) |
| GB (1) | GB2128854B (cs) |
| NL (1) | NL8303273A (cs) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030295A (ja) * | 1983-07-29 | 1985-02-15 | Victor Co Of Japan Ltd | 搬送色信号の記録再生装置 |
| JPS61159876A (ja) * | 1984-12-29 | 1986-07-19 | Victor Co Of Japan Ltd | 雑音除去回路 |
| JPS6258793A (ja) * | 1985-09-03 | 1987-03-14 | Victor Co Of Japan Ltd | テレビジヨン信号の同時化回路 |
| US4750037A (en) * | 1985-10-07 | 1988-06-07 | Victor Company Of Japan, Ltd. | Noise reduction system for video signal |
| US5737478A (en) * | 1987-05-15 | 1998-04-07 | Canon Kabushiki Kaisha | Recording apparatus for recording a first and a second information signal |
| JP2531699B2 (ja) * | 1987-09-08 | 1996-09-04 | 株式会社日立製作所 | 波形等化方式及び装置 |
| US5097336A (en) * | 1987-09-22 | 1992-03-17 | Canon Kabushiki Kaisha | Signal processing apparatus |
| JPH02121574A (ja) * | 1988-10-31 | 1990-05-09 | Nippon Television Network Corp | Ｔｖ垂直周波数信号の振幅特性の改善方式 |
| JPH0445671A (ja) * | 1990-06-12 | 1992-02-14 | Sony Corp | テレビジョン信号の輪郭強調回路 |
| JPH0468923A (ja) * | 1990-07-09 | 1992-03-04 | Sony Corp | ノンリニアプリエンファシス・デエンファシスシステム |
| US5321518A (en) * | 1991-06-07 | 1994-06-14 | Matsushita Electric Industrial Co., Ltd. | Video signal recording and reproducing apparatus using an added specific signal during recording |
| KR20050076981A (ko) * | 2004-01-26 | 2005-07-29 | 엘지전자 주식회사 | 엠퍼시스 회로 |
| US7531989B2 (en) * | 2005-11-02 | 2009-05-12 | 02Micro International Ltd. | Battery fuel gauge circuit |
| US7375573B2 (en) * | 2006-05-25 | 2008-05-20 | Micron Technology, Inc. | De-emphasis system and method for coupling digital signals through capacitively loaded lines |
| CN118300938B (zh) * | 2024-06-04 | 2024-08-16 | 成都电科星拓科技有限公司 | 去加重电路及方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428981Y2 (cs) * | 1974-06-17 | 1979-09-17 | ||
| JPS5412714A (en) * | 1977-06-29 | 1979-01-30 | Matsushita Electric Ind Co Ltd | Recorder-reproducer |
| JPS55117712A (en) * | 1979-02-28 | 1980-09-10 | Matsushita Electric Ind Co Ltd | Noise reduction circuit of video signal recording and reproducing device |
| DE2950764A1 (de) * | 1979-12-17 | 1981-07-23 | Basf Ag, 6700 Ludwigshafen | Anordnung zur entzerrung eines breitbandsignals, insbesondere eines videosignals mit oder ohne farbinformation in einem signal-aufzeichnungs/wiedergabe-system |
| US4385326A (en) * | 1980-06-26 | 1983-05-24 | Rca Corporation | Video disc systems with plural preemphasis/deemphasis networks |
| US4316210A (en) * | 1980-08-28 | 1982-02-16 | Rca Corporation | Video signal processing apparatus |
| JPS57184381A (en) * | 1981-05-08 | 1982-11-13 | Canon Inc | Video signal processor |
-
1982
- 1982-09-25 JP JP57166800A patent/JPS5956204A/ja active Granted
-
1983
- 1983-09-22 US US06/534,638 patent/US4587576A/en not_active Expired - Lifetime
- 1983-09-23 NL NL8303273A patent/NL8303273A/nl not_active Application Discontinuation
- 1983-09-23 FR FR8315143A patent/FR2533787B1/fr not_active Expired
- 1983-09-24 DE DE3334675A patent/DE3334675C2/de not_active Expired
- 1983-09-26 GB GB08325652A patent/GB2128854B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3334675C2 (de) | 1987-05-07 |
| GB8325652D0 (en) | 1983-10-26 |
| GB2128854B (en) | 1985-12-04 |
| DE3334675A1 (de) | 1984-03-29 |
| JPH0156591B2 (cs) | 1989-11-30 |
| FR2533787B1 (fr) | 1987-11-20 |
| US4587576A (en) | 1986-05-06 |
| JPS5956204A (ja) | 1984-03-31 |
| GB2128854A (en) | 1984-05-02 |
| FR2533787A1 (fr) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |