DE2541268C3 - Schaltungsanordnung zur Umcodierung eines Farbvideosignalgemisches - Google Patents
Schaltungsanordnung zur Umcodierung eines FarbvideosignalgemischesInfo
- Publication number
- DE2541268C3 DE2541268C3 DE2541268A DE2541268A DE2541268C3 DE 2541268 C3 DE2541268 C3 DE 2541268C3 DE 2541268 A DE2541268 A DE 2541268A DE 2541268 A DE2541268 A DE 2541268A DE 2541268 C3 DE2541268 C3 DE 2541268C3
- Authority
- DE
- Germany
- Prior art keywords
- signal
- frequency
- color
- filter
- components
- 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
- 239000000203 mixture Substances 0.000 title claims description 6
- 239000002131 composite material Substances 0.000 claims description 28
- 230000003111 delayed effect Effects 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001454 recorded image Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 12
- 206010044565 Tremor Diseases 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 241001085205 Prenanthella exigua Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
-
- 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
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/506,446 US3938179A (en) | 1974-09-16 | 1974-09-16 | Comb filter for video processing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2541268A1 DE2541268A1 (de) | 1976-03-25 |
| DE2541268B2 DE2541268B2 (de) | 1978-11-02 |
| DE2541268C3 true DE2541268C3 (de) | 1979-06-28 |
Family
ID=24014627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2541268A Expired DE2541268C3 (de) | 1974-09-16 | 1975-09-16 | Schaltungsanordnung zur Umcodierung eines Farbvideosignalgemisches |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3938179A (enExample) |
| JP (1) | JPS5311804B2 (enExample) |
| AT (1) | AT340491B (enExample) |
| CA (1) | CA1048634A (enExample) |
| DE (1) | DE2541268C3 (enExample) |
| FR (1) | FR2285036A1 (enExample) |
| GB (1) | GB1521503A (enExample) |
| IT (1) | IT1042492B (enExample) |
| MX (1) | MX2996E (enExample) |
| NL (1) | NL7510832A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149181A (en) * | 1977-09-02 | 1979-04-10 | Gte Sylvania Incorporated | Signal-dependent chrominance subcarrier filtering circuit |
| US4219842A (en) * | 1978-08-24 | 1980-08-26 | The Magnavox Company | Video signal combiner having a common phase response and independent amplitude response |
| US4754340A (en) * | 1983-11-01 | 1988-06-28 | Matsushita Electric Industrial Co., Ltd. | Method of reproducing a chrominance signal from a previously low-range-converted chrominance signal using comb filtering and sampling |
| FR2710808A1 (fr) * | 1993-09-29 | 1995-04-07 | Philips Electronics Nv | Téléviseur muni d'un dispositif de sélection de différentes sources. |
| CN101764985B (zh) * | 2009-10-23 | 2012-05-09 | 广东威创视讯科技股份有限公司 | 复合视频信号衰减器 |
| GB2545176A (en) | 2015-12-07 | 2017-06-14 | Metrosol Ltd | A temperature measuring appartus and a method of measuring tempurature |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2811578A (en) * | 1954-04-05 | 1957-10-29 | Bell Telephone Labor Inc | Television band width reducing system |
| US2729698A (en) * | 1954-09-22 | 1956-01-03 | Rca Corp | Electrical filters |
| US3542945A (en) * | 1967-09-11 | 1970-11-24 | Motorola Inc | Color television signal separation system |
| JPS4944535B1 (enExample) * | 1970-01-26 | 1974-11-28 | ||
| US3674920A (en) * | 1970-09-14 | 1972-07-04 | Data Memory Inc | Time base correction system for video recording apparatus |
| US3728476A (en) * | 1971-03-17 | 1973-04-17 | Gen Electric | Luminance notch filter |
| US3895393A (en) * | 1974-05-14 | 1975-07-15 | Electrohome Ltd | Double comb filter |
-
1974
- 1974-09-16 US US05/506,446 patent/US3938179A/en not_active Expired - Lifetime
-
1975
- 1975-08-25 CA CA75234033A patent/CA1048634A/en not_active Expired
- 1975-08-29 MX MX100153U patent/MX2996E/es unknown
- 1975-09-09 GB GB37062/75A patent/GB1521503A/en not_active Expired
- 1975-09-10 AT AT698275A patent/AT340491B/de not_active IP Right Cessation
- 1975-09-11 IT IT27167/75A patent/IT1042492B/it active
- 1975-09-15 FR FR7528240A patent/FR2285036A1/fr not_active Withdrawn
- 1975-09-15 NL NL7510832A patent/NL7510832A/xx not_active Application Discontinuation
- 1975-09-16 JP JP11248875A patent/JPS5311804B2/ja not_active Expired
- 1975-09-16 DE DE2541268A patent/DE2541268C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT340491B (de) | 1977-12-12 |
| GB1521503A (en) | 1978-08-16 |
| MX2996E (es) | 1980-01-23 |
| FR2285036A1 (fr) | 1976-04-09 |
| ATA698275A (de) | 1977-04-15 |
| DE2541268A1 (de) | 1976-03-25 |
| NL7510832A (nl) | 1976-03-18 |
| CA1048634A (en) | 1979-02-13 |
| IT1042492B (it) | 1980-01-30 |
| DE2541268B2 (de) | 1978-11-02 |
| JPS5311804B2 (enExample) | 1978-04-25 |
| US3938179A (en) | 1976-02-10 |
| AU8468275A (en) | 1977-03-17 |
| JPS5155627A (enExample) | 1976-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |