FI75460C - Ingaongsvaegt tvaerfilter foer eliminering av spoekbilder i en televisionsapparat. - Google Patents
Ingaongsvaegt tvaerfilter foer eliminering av spoekbilder i en televisionsapparat. Download PDFInfo
- Publication number
- FI75460C FI75460C FI811358A FI811358A FI75460C FI 75460 C FI75460 C FI 75460C FI 811358 A FI811358 A FI 811358A FI 811358 A FI811358 A FI 811358A FI 75460 C FI75460 C FI 75460C
- Authority
- FI
- Finland
- Prior art keywords
- signal
- ghost
- output
- video signal
- sampling
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims 10
- 238000011109 contamination Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 12
- 238000010791 quenching Methods 0.000 description 11
- 230000000171 quenching effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 102100028043 Fibroblast growth factor 3 Human genes 0.000 description 1
- 108050002021 Integrator complex subunit 2 Proteins 0.000 description 1
- 101710092886 Integrator complex subunit 3 Proteins 0.000 description 1
- 102100025254 Neurogenic locus notch homolog protein 4 Human genes 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition 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
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14762980 | 1980-05-07 | ||
| US06/147,629 US4314277A (en) | 1980-05-07 | 1980-05-07 | Input-weighted transversal filter TV ghost eliminator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI811358L FI811358L (fi) | 1981-11-08 |
| FI75460B FI75460B (fi) | 1988-02-29 |
| FI75460C true FI75460C (fi) | 1988-06-09 |
Family
ID=22522287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI811358A FI75460C (fi) | 1980-05-07 | 1981-04-30 | Ingaongsvaegt tvaerfilter foer eliminering av spoekbilder i en televisionsapparat. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4314277A (en, 2012) |
| JP (1) | JPS574614A (en, 2012) |
| AT (1) | AT383239B (en, 2012) |
| AU (1) | AU533476B2 (en, 2012) |
| DE (1) | DE3118108A1 (en, 2012) |
| ES (1) | ES501795A0 (en, 2012) |
| FI (1) | FI75460C (en, 2012) |
| FR (1) | FR2482395B1 (en, 2012) |
| GB (1) | GB2075801B (en, 2012) |
| IT (1) | IT1139090B (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4458269A (en) * | 1980-05-07 | 1984-07-03 | Rca Corporation | Sampling arrangement for a television ghost signal cancellation system |
| US4395729A (en) * | 1981-08-31 | 1983-07-26 | Rca Corporation | Digital video signal processing filters with signal-to-noise enhancement |
| US4393397A (en) * | 1981-10-05 | 1983-07-12 | Rca Corporation | Television ghost signal detector with color burst phase delay control |
| US4564862A (en) * | 1982-08-09 | 1986-01-14 | Edwin Cohen | Ghost signal elimination circuit |
| US4542475A (en) * | 1982-11-23 | 1985-09-17 | Rca Corporation | Sampled data filter system as for a digital TV |
| US4542408A (en) * | 1983-08-31 | 1985-09-17 | Rca Corporation | Digital deghosting system |
| US4727424A (en) * | 1986-10-16 | 1988-02-23 | Rca Corporation | Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system |
| US5237415A (en) * | 1989-04-27 | 1993-08-17 | Victor Company Of Japan, Ltd. | Ghost canceler with adaptive transversal filter |
| US5532820A (en) * | 1990-08-17 | 1996-07-02 | Samsung Electronics Co., Ltd. | Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity |
| US5117291A (en) * | 1990-11-30 | 1992-05-26 | At&T Bell Laboratories | Technique for adjusting signal dispersion cancellation apparatus in communications systems |
| JPH04266210A (ja) * | 1991-02-21 | 1992-09-22 | Toshiba Corp | 入力加重型トランスバーサルフィルタ |
| US5630208A (en) * | 1994-07-19 | 1997-05-13 | Trimble Navigation Limited | Adaptive multipath equalization |
| CA2398057C (en) * | 2001-08-15 | 2011-07-19 | Raytheon Company | Combining signal images in accordance with signal-to-noise ratios |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3414819A (en) * | 1965-08-27 | 1968-12-03 | Bell Telephone Labor Inc | Digital adaptive equalizer system |
| GB1429802A (en) * | 1972-03-16 | 1976-03-31 | Matsushita Electric Ind Co Ltd | Ghost signal cancellation system |
| US4044381A (en) * | 1974-06-03 | 1977-08-23 | Hitachi, Ltd. | Automatic waveform equalizing system for television receiver |
| US4127874A (en) * | 1976-05-27 | 1978-11-28 | Tokyo Shibaura Electric Co., Ltd. | Apparatus for removing ghost signals from received video signals |
| JPS52147941A (en) * | 1976-06-03 | 1977-12-08 | Toshiba Corp | Electric charge transfer type analog signal memory system |
| US4091418A (en) * | 1977-03-02 | 1978-05-23 | Zenith Radio Corporation | Automatic channel equalization with time base expansion |
| US4158209A (en) * | 1977-08-02 | 1979-06-12 | Rca Corporation | CCD comb filters |
| JPS54109720A (en) * | 1978-02-16 | 1979-08-28 | Toshiba Corp | Ghost signal erasing device |
| JPS54149549A (en) * | 1978-05-17 | 1979-11-22 | Toshiba Corp | Automatic equalizer |
| JPS54149547A (en) * | 1978-05-17 | 1979-11-22 | Toshiba Corp | Transversal filter |
-
1980
- 1980-05-07 US US06/147,629 patent/US4314277A/en not_active Expired - Lifetime
-
1981
- 1981-04-29 IT IT21440/81A patent/IT1139090B/it active
- 1981-04-30 ES ES501795A patent/ES501795A0/es active Granted
- 1981-04-30 FI FI811358A patent/FI75460C/fi not_active IP Right Cessation
- 1981-04-30 AU AU70037/81A patent/AU533476B2/en not_active Ceased
- 1981-05-01 JP JP6755781A patent/JPS574614A/ja active Granted
- 1981-05-06 FR FR8109018A patent/FR2482395B1/fr not_active Expired
- 1981-05-06 GB GB8113833A patent/GB2075801B/en not_active Expired
- 1981-05-07 DE DE19813118108 patent/DE3118108A1/de active Granted
- 1981-05-07 AT AT0203481A patent/AT383239B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3118108C2 (en, 2012) | 1989-06-29 |
| AU533476B2 (en) | 1983-11-24 |
| ES8206131A1 (es) | 1982-06-16 |
| IT1139090B (it) | 1986-09-17 |
| FI75460B (fi) | 1988-02-29 |
| GB2075801A (en) | 1981-11-18 |
| AT383239B (de) | 1987-06-10 |
| JPS574614A (en) | 1982-01-11 |
| US4314277A (en) | 1982-02-02 |
| ATA203481A (de) | 1986-10-15 |
| FI811358L (fi) | 1981-11-08 |
| GB2075801B (en) | 1984-03-07 |
| DE3118108A1 (de) | 1982-02-25 |
| IT8121440A0 (it) | 1981-04-29 |
| JPH0223049B2 (en, 2012) | 1990-05-22 |
| FR2482395A1 (fr) | 1981-11-13 |
| FR2482395B1 (fr) | 1985-09-13 |
| ES501795A0 (es) | 1982-06-16 |
| AU7003781A (en) | 1981-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: RCA CORPORATION |