NL8902005A - Kleurtoonsignaalgenerator voor een video-opmaakinrichting. - Google Patents
Kleurtoonsignaalgenerator voor een video-opmaakinrichting. Download PDFInfo
- Publication number
- NL8902005A NL8902005A NL8902005A NL8902005A NL8902005A NL 8902005 A NL8902005 A NL 8902005A NL 8902005 A NL8902005 A NL 8902005A NL 8902005 A NL8902005 A NL 8902005A NL 8902005 A NL8902005 A NL 8902005A
- Authority
- NL
- Netherlands
- Prior art keywords
- signal
- chrominance
- color
- phase
- signals
- Prior art date
Links
- 239000002131 composite material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001360 synchronised 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
- H04N9/74—Circuits for processing colour signals for obtaining special effects
- H04N9/75—Chroma key
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1435—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification comprising semi-permeable membrane
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR880015212 | 1988-09-15 | ||
| KR880015212 | 1988-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8902005A true NL8902005A (nl) | 1990-04-02 |
Family
ID=19279391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8902005A NL8902005A (nl) | 1988-09-15 | 1989-08-04 | Kleurtoonsignaalgenerator voor een video-opmaakinrichting. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5122865A (forum.php) |
| DE (1) | DE3926080A1 (forum.php) |
| GB (1) | GB2223644B (forum.php) |
| NL (1) | NL8902005A (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572248A (en) * | 1994-09-19 | 1996-11-05 | Teleport Corporation | Teleconferencing method and system for providing face-to-face, non-animated teleconference environment |
| US5838310A (en) * | 1996-05-17 | 1998-11-17 | Matsushita Electric Industrial Co., Ltd. | Chroma-key signal generator |
| US6011595A (en) * | 1997-09-19 | 2000-01-04 | Eastman Kodak Company | Method for segmenting a digital image into a foreground region and a key color region |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333885A (en) * | 1972-03-20 | 1973-10-17 | Pye Ltd | Hue selection in colour television |
| DE2413869C3 (de) * | 1974-03-22 | 1978-05-03 | Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen | Verfahren zum Erzeugen von färbortabhängigen Schaltinformationen aus codierten Farbfernsehsignalen |
| US4122490A (en) * | 1976-11-09 | 1978-10-24 | Lish Charles A | Digital chroma-key circuitry |
| GB2044036B (en) * | 1979-03-09 | 1983-03-23 | British Broadcasting Corp | Colour separation overlay of television signals |
| JPS5869190A (ja) * | 1981-10-20 | 1983-04-25 | Fujitsu General Ltd | クロマキ−信号発生装置 |
| JPH0832054B2 (ja) * | 1987-03-24 | 1996-03-27 | オリンパス光学工業株式会社 | カラ−エンハンス回路 |
-
1989
- 1989-08-04 NL NL8902005A patent/NL8902005A/nl active Search and Examination
- 1989-08-07 DE DE3926080A patent/DE3926080A1/de active Granted
- 1989-08-31 GB GB8919716A patent/GB2223644B/en not_active Expired - Lifetime
- 1989-09-15 US US07/407,938 patent/US5122865A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB8919716D0 (en) | 1989-10-11 |
| GB2223644B (en) | 1993-05-26 |
| GB2223644A (en) | 1990-04-11 |
| DE3926080C2 (forum.php) | 1992-01-23 |
| DE3926080A1 (de) | 1990-04-05 |
| US5122865A (en) | 1992-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | 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 | ||
| BN | A decision not to publish the application has become irrevocable |