GB1536851A - Video carrier wave defect detection and compensation - Google Patents
Video carrier wave defect detection and compensationInfo
- Publication number
- GB1536851A GB1536851A GB9951/75A GB995175A GB1536851A GB 1536851 A GB1536851 A GB 1536851A GB 9951/75 A GB9951/75 A GB 9951/75A GB 995175 A GB995175 A GB 995175A GB 1536851 A GB1536851 A GB 1536851A
- Authority
- GB
- United Kingdom
- Prior art keywords
- defect
- pulse
- detector
- monostable
- black
- 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
- 230000007547 defect Effects 0.000 title abstract 9
- 238000001514 detection method Methods 0.000 title abstract 2
- 238000006467 substitution reaction Methods 0.000 abstract 3
- 230000003111 delayed effect Effects 0.000 abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Dc Digital Transmission (AREA)
- Noise Elimination (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9951/75A GB1536851A (en) | 1975-03-10 | 1975-03-10 | Video carrier wave defect detection and compensation |
| SE7602807A SE412133B (sv) | 1975-03-10 | 1976-02-27 | Defektdetekterings- och kompensationsanordning |
| AU11663/76A AU504973B2 (en) | 1975-03-10 | 1976-03-04 | Video defect detection |
| US05/664,674 US4038686A (en) | 1975-03-10 | 1976-03-08 | Defect detection and compensation |
| IT20970/76A IT1056949B (it) | 1975-03-10 | 1976-03-08 | Apparato per la rivelazione e la compensazione dei difetti nella riproduzione di videodoschi |
| DE19762609555 DE2609555B2 (de) | 1975-03-10 | 1976-03-08 | Einrichtung zum wahrnehmen und kompensieren von fehlern in einem signalumsetzungssystem |
| NL7602464A NL7602464A (nl) | 1975-03-10 | 1976-03-09 | Stelsel voor de detectie en compensatie van defecten. |
| FR7606711A FR2331224A1 (fr) | 1975-03-10 | 1976-03-09 | Dispositif pour la detection et la compensation des defauts dans un signal video |
| AT174476A AT352796B (de) | 1975-03-10 | 1976-03-10 | Einrichtung zum wahrnehmen und kompensieren von fehlern in einem signalumsetzungssystem |
| JP51026630A JPS51113713A (en) | 1975-03-10 | 1976-03-10 | System for detecting and compensating signal converter defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9951/75A GB1536851A (en) | 1975-03-10 | 1975-03-10 | Video carrier wave defect detection and compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1536851A true GB1536851A (en) | 1978-12-20 |
Family
ID=9881773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9951/75A Expired GB1536851A (en) | 1975-03-10 | 1975-03-10 | Video carrier wave defect detection and compensation |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4038686A (enExample) |
| JP (1) | JPS51113713A (enExample) |
| AT (1) | AT352796B (enExample) |
| AU (1) | AU504973B2 (enExample) |
| DE (1) | DE2609555B2 (enExample) |
| FR (1) | FR2331224A1 (enExample) |
| GB (1) | GB1536851A (enExample) |
| IT (1) | IT1056949B (enExample) |
| NL (1) | NL7602464A (enExample) |
| SE (1) | SE412133B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2150000A (en) * | 1983-11-01 | 1985-06-19 | Pioneer Electric Corp | Noise elimination in an fm demodulator |
| GB2178265A (en) * | 1985-07-09 | 1987-02-04 | Sony Corp | Error detection circuit |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114612A (en) * | 1977-03-16 | 1978-10-06 | Matsushita Electric Ind Co Ltd | Compensating unit for color video signal defect |
| JPS53114608A (en) * | 1977-03-16 | 1978-10-06 | Matsushita Electric Ind Co Ltd | Defect detector |
| US4119812A (en) * | 1977-04-20 | 1978-10-10 | Rca Corporation | Signal defect detection and compensation with signal de-emphasis |
| US4158855A (en) * | 1977-11-29 | 1979-06-19 | Rca Corporation | Dropout compensator with proportional duration dropout detector |
| JPS5521681A (en) * | 1978-08-03 | 1980-02-15 | Matsushita Electric Ind Co Ltd | Dropout compensation unit |
| US4203134A (en) * | 1978-10-02 | 1980-05-13 | Rca Corporation | FM Signal demodulator with defect detection |
| US4232340A (en) * | 1979-06-01 | 1980-11-04 | Rca Corporation | Defect compensation for color television |
| US4286283A (en) * | 1979-12-20 | 1981-08-25 | Rca Corporation | Transcoder |
| US4363117A (en) * | 1980-03-07 | 1982-12-07 | Rca Corporation | Video disc with dynamic stylus cleaning |
| US4330881A (en) * | 1980-03-07 | 1982-05-18 | Rca Corporation | Video disc apparatus for clearing foreign matter from the signal pickup stylus during playback |
| JPS5835703A (ja) * | 1981-08-24 | 1983-03-02 | Asahi Optical Co Ltd | 記録情報の再生装置 |
| US4476498A (en) * | 1982-02-05 | 1984-10-09 | Rca Corporation | Deviation detector for FM video recording system |
| US6011816A (en) * | 1996-09-18 | 2000-01-04 | Wireless Access | Direct demodulation method and apparatus |
| US7203234B1 (en) | 2000-03-31 | 2007-04-10 | Sharp Laboratories Of America, Inc. | Method of directional filtering for post-processing compressed video |
| US20050075809A1 (en) * | 2003-09-18 | 2005-04-07 | Ewc Controls Incorporated | Apparatus and method for detecting, filtering and conditioning AC voltage signals |
| US10855730B2 (en) | 2017-10-31 | 2020-12-01 | Crestron Electronics, Inc. | Clean video switch among multiple video feeds in a security system |
| CN107784660B (zh) * | 2017-11-02 | 2020-12-04 | 武汉新芯集成电路制造有限公司 | 图像处理方法、图像处理系统及缺陷检测装置 |
| CN115468632B (zh) * | 2022-10-19 | 2023-10-20 | 佛山市汉立电子科技有限公司 | 缺液检测装置、方法及雾化器 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946340A (en) * | 1961-05-25 | 1964-01-08 | Swift Levick & Sons Ltd | Improvements in or relating to nuclear magnetic resonance magnets |
| FR1402254A (fr) * | 1963-07-15 | 1965-06-11 | Minnesota Mining & Mfg | Dispositif destiné à corriger les défaillances passagères d'un signal récurrent, et ses applications notamment à la reproduction des signaux télévisés |
| NL7310869A (nl) * | 1973-08-07 | 1975-02-11 | Philips Nv | Inrichting voor het weergeven van een op een registratiedrager opgetekend videosignaal. |
| NL7402014A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Inrichting voor het detekteren van signaaluit- vallen. |
| US4001496A (en) * | 1974-06-06 | 1977-01-04 | Rca Corporation | Defect detection and compensation apparatus for use in an fm signal translating system |
| US3925605A (en) * | 1974-06-28 | 1975-12-09 | Zenith Radio Corp | Dropout detector for video disc playback |
| FR2280168A1 (fr) * | 1974-07-23 | 1976-02-20 | Thomson Brandt | Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede |
| FR2299697A1 (fr) * | 1974-07-23 | 1976-08-27 | Thomson Brandt | Procédé de détection d'altération de signaux de lecture, et appareil mettant oeuvre un tel procédé |
| US3947873A (en) * | 1974-09-19 | 1976-03-30 | Basf Aktiengesellschaft | Method and circuit for detecting and compensating for drop-out and distortion of frequency modulated video signals |
| NL7503049A (nl) * | 1975-03-14 | 1976-09-16 | Philips Corp | Inrichting voor het kompenseren van signaal- uitvallen in een hoekgemoduleerd signaal. |
-
1975
- 1975-03-10 GB GB9951/75A patent/GB1536851A/en not_active Expired
-
1976
- 1976-02-27 SE SE7602807A patent/SE412133B/xx unknown
- 1976-03-04 AU AU11663/76A patent/AU504973B2/en not_active Expired
- 1976-03-08 US US05/664,674 patent/US4038686A/en not_active Expired - Lifetime
- 1976-03-08 DE DE19762609555 patent/DE2609555B2/de active Granted
- 1976-03-08 IT IT20970/76A patent/IT1056949B/it active
- 1976-03-09 FR FR7606711A patent/FR2331224A1/fr active Granted
- 1976-03-09 NL NL7602464A patent/NL7602464A/xx not_active Application Discontinuation
- 1976-03-10 JP JP51026630A patent/JPS51113713A/ja active Granted
- 1976-03-10 AT AT174476A patent/AT352796B/de not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2150000A (en) * | 1983-11-01 | 1985-06-19 | Pioneer Electric Corp | Noise elimination in an fm demodulator |
| GB2178265A (en) * | 1985-07-09 | 1987-02-04 | Sony Corp | Error detection circuit |
| GB2178265B (en) * | 1985-07-09 | 1989-07-19 | Sony Corp | Error detection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| AU504973B2 (en) | 1979-11-01 |
| ATA174476A (de) | 1979-03-15 |
| US4038686A (en) | 1977-07-26 |
| FR2331224B1 (enExample) | 1982-05-14 |
| IT1056949B (it) | 1982-02-20 |
| AU1166376A (en) | 1977-09-08 |
| AT352796B (de) | 1979-10-10 |
| DE2609555C3 (enExample) | 1978-05-03 |
| FR2331224A1 (fr) | 1977-06-03 |
| DE2609555A1 (de) | 1976-09-16 |
| SE7602807L (sv) | 1976-09-13 |
| JPS5314923B2 (enExample) | 1978-05-20 |
| NL7602464A (nl) | 1976-09-14 |
| SE412133B (sv) | 1980-02-18 |
| JPS51113713A (en) | 1976-10-07 |
| DE2609555B2 (de) | 1977-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |