CA2094381A1 - Decoding of composite television signals - Google Patents
Decoding of composite television signalsInfo
- Publication number
- CA2094381A1 CA2094381A1 CA002094381A CA2094381A CA2094381A1 CA 2094381 A1 CA2094381 A1 CA 2094381A1 CA 002094381 A CA002094381 A CA 002094381A CA 2094381 A CA2094381 A CA 2094381A CA 2094381 A1 CA2094381 A1 CA 2094381A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- test signal
- correction
- derived
- level
- 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.)
- Abandoned
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000012937 correction Methods 0.000 claims abstract description 84
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 5
- 230000015654 memory Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
-
- 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
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Television Systems (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9118057A GB2258969A (en) | 1991-08-21 | 1991-08-21 | Decoding of composite television signals |
| GB9118057.0 | 1991-08-21 | ||
| PCT/GB1992/001532 WO1993004563A1 (en) | 1991-08-21 | 1992-08-20 | Decoding of composite television signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2094381A1 true CA2094381A1 (en) | 1993-02-22 |
Family
ID=10700317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002094381A Abandoned CA2094381A1 (en) | 1991-08-21 | 1992-08-20 | Decoding of composite television signals |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0558704A1 (hu) |
| JP (1) | JPH06501832A (hu) |
| CN (1) | CN1074073A (hu) |
| AU (1) | AU2440292A (hu) |
| BG (1) | BG97648A (hu) |
| BR (1) | BR9205328A (hu) |
| CA (1) | CA2094381A1 (hu) |
| CZ (1) | CZ61693A3 (hu) |
| FI (1) | FI931798A0 (hu) |
| GB (1) | GB2258969A (hu) |
| HU (1) | HUT64668A (hu) |
| NO (1) | NO931440L (hu) |
| SK (1) | SK34293A3 (hu) |
| WO (1) | WO1993004563A1 (hu) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2429868B (en) * | 2005-09-03 | 2010-11-10 | Amulet Electronics Ltd | Video display system |
| JP4968146B2 (ja) * | 2008-03-31 | 2012-07-04 | ソニー株式会社 | 放送信号受信機およびその受信制御方法、並びにｉｃ |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1050574B (it) * | 1975-07-01 | 1981-03-20 | Indesit | Perfezionamenti di sistemi di televisione a colori |
| US4237486A (en) * | 1978-11-09 | 1980-12-02 | Comsonics, Inc. | Compatible transmission of an encoded signal with a television |
| SU1184108A1 (ru) * | 1981-11-11 | 1985-10-07 | Nikolaj M Eremin | Измеритель параметров телевизионного сигнала |
| GB2176669A (en) * | 1985-06-05 | 1986-12-31 | Philips Electronic Associated | Digitising television signals |
| US4825379A (en) * | 1986-08-29 | 1989-04-25 | Tektronix, Inc. | Method and apparatus for processing waveform records for jitter elimination prior to averaging in determining signal to noise ratio |
| EP0526913B1 (en) * | 1987-09-25 | 1996-03-20 | Nippon Hoso Kyokai | Subrange-type A/D converter |
| US5136368A (en) * | 1991-01-24 | 1992-08-04 | The Grass Valley Group, Inc. | Television signal decoder with improved architecture |
-
1991
- 1991-08-21 GB GB9118057A patent/GB2258969A/en not_active Withdrawn
-
1992
- 1992-08-20 SK SK34293A patent/SK34293A3/sk unknown
- 1992-08-20 BR BR9205328A patent/BR9205328A/pt not_active Application Discontinuation
- 1992-08-20 HU HU9300945A patent/HUT64668A/hu unknown
- 1992-08-20 JP JP5504200A patent/JPH06501832A/ja active Pending
- 1992-08-20 CN CN92110458.8A patent/CN1074073A/zh active Pending
- 1992-08-20 CA CA002094381A patent/CA2094381A1/en not_active Abandoned
- 1992-08-20 EP EP92917600A patent/EP0558704A1/en not_active Withdrawn
- 1992-08-20 WO PCT/GB1992/001532 patent/WO1993004563A1/en not_active Application Discontinuation
- 1992-08-20 AU AU24402/92A patent/AU2440292A/en not_active Abandoned
-
1993
- 1993-04-09 CZ CZ93616A patent/CZ61693A3/cs unknown
- 1993-04-20 NO NO93931440A patent/NO931440L/no unknown
- 1993-04-20 BG BG97648A patent/BG97648A/xx unknown
- 1993-04-21 FI FI931798A patent/FI931798A0/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI931798A (fi) | 1993-04-21 |
| HUT64668A (en) | 1994-01-28 |
| HU9300945D0 (en) | 1993-06-28 |
| AU2440292A (en) | 1993-03-16 |
| BR9205328A (pt) | 1994-06-21 |
| GB2258969A (en) | 1993-02-24 |
| GB9118057D0 (en) | 1991-10-09 |
| NO931440D0 (no) | 1993-04-20 |
| WO1993004563A1 (en) | 1993-03-04 |
| JPH06501832A (ja) | 1994-02-24 |
| CN1074073A (zh) | 1993-07-07 |
| CZ61693A3 (en) | 1993-11-17 |
| FI931798A0 (fi) | 1993-04-21 |
| EP0558704A1 (en) | 1993-09-08 |
| BG97648A (en) | 1994-03-31 |
| NO931440L (no) | 1993-04-20 |
| SK34293A3 (en) | 1993-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |