DE2755748A1 - Vorrichtung zur beseitigung von zeitbasisfehlern aus einem informationssignal - Google Patents
Vorrichtung zur beseitigung von zeitbasisfehlern aus einem informationssignalInfo
- Publication number
- DE2755748A1 DE2755748A1 DE19772755748 DE2755748A DE2755748A1 DE 2755748 A1 DE2755748 A1 DE 2755748A1 DE 19772755748 DE19772755748 DE 19772755748 DE 2755748 A DE2755748 A DE 2755748A DE 2755748 A1 DE2755748 A1 DE 2755748A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- signal
- phase
- carrier
- circuit
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000010355 oscillation Effects 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- 239000000969 carrier Substances 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000007723 transport mechanism 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
- H04N9/79—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
- H04N9/83—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 chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
- H04N9/84—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 chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15274976A JPS5376620A (en) | 1976-12-17 | 1976-12-17 | Processing circuit for color video signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2755748A1 true DE2755748A1 (de) | 1978-07-06 |
| DE2755748C2 DE2755748C2 (en:Method) | 1987-05-27 |
Family
ID=15547314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772755748 Granted DE2755748A1 (de) | 1976-12-17 | 1977-12-14 | Vorrichtung zur beseitigung von zeitbasisfehlern aus einem informationssignal |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4157565A (en:Method) |
| JP (1) | JPS5376620A (en:Method) |
| CA (1) | CA1099398A (en:Method) |
| DE (1) | DE2755748A1 (en:Method) |
| FR (1) | FR2374804A1 (en:Method) |
| GB (1) | GB1570648A (en:Method) |
| NL (1) | NL7713866A (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5469018A (en) * | 1977-11-11 | 1979-06-02 | Sony Corp | Color demodulator circuit |
| US4292648A (en) * | 1979-04-09 | 1981-09-29 | Ampex Corporation | Color corrector for a composite color video signal |
| US4286282A (en) * | 1979-08-20 | 1981-08-25 | Rca Corporation | Periodically biased video disc player servo system |
| US4370680A (en) * | 1981-02-25 | 1983-01-25 | Tokyo Shibaura Denki Kabushiki Kaisha | Color signal processing device for video recorder |
| JPS61191688U (en:Method) * | 1985-05-20 | 1986-11-28 | ||
| JPH0748873B2 (ja) * | 1987-09-21 | 1995-05-24 | 株式会社日立製作所 | 磁気記録再生装置 |
| KR100201244B1 (ko) * | 1989-10-03 | 1999-06-15 | 다카노 야스아키 | 크로마 신호의 지터 제거 회로 및 이를 이용한 텔레비젼 수상기 |
| US5774188A (en) * | 1995-06-21 | 1998-06-30 | Sony Corporation | Black and white video signal detector for detecting the absence of a burst signal from a video signal |
| US5926063A (en) * | 1997-05-08 | 1999-07-20 | Sony Corporation | Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin |
| US8638889B2 (en) * | 2010-10-28 | 2014-01-28 | Broadcom Corporation | Method and apparatus to improve acquisition of a quadrature amplitude modulated (QAM) signal having a frequency offset |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528026A (en) * | 1968-05-01 | 1970-09-08 | Hughes Aircraft Co | Coarse-fine phase locked loop |
| US3580991A (en) * | 1968-04-03 | 1971-05-25 | Fernseh Gmbh | Automatic time correction circuit for color tv signals |
| US3804974A (en) * | 1970-12-28 | 1974-04-16 | Tokyo Shibaura Electric Co | Apparatus for recording and reproducing color video signals |
| US3845497A (en) * | 1971-03-04 | 1974-10-29 | Victor Company Of Japan | Colour video signal recording and reproducing system and apparatus |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1267251A (en:Method) * | 1968-04-23 | 1972-03-15 | ||
| JPS5714074B1 (en:Method) * | 1969-02-21 | 1982-03-20 | ||
| US3833926A (en) * | 1972-11-10 | 1974-09-03 | Arvin Ind Inc | Magnetic disc recorder and cassette with compliant recording disc having flexible support means |
| US3947893A (en) * | 1972-11-10 | 1976-03-30 | Arvin Industries, Inc. | Recording cassette including compliant magnetic recording disc having flexible support means |
| US3845502A (en) * | 1973-02-22 | 1974-10-29 | Arvin Ind Inc | Cassette locating system |
| JPS5625072B2 (en:Method) * | 1974-01-12 | 1981-06-10 | ||
| JPS5739598B2 (en:Method) * | 1974-04-23 | 1982-08-21 | ||
| JPS5430848B2 (en:Method) * | 1975-02-20 | 1979-10-03 | ||
| US4063295A (en) * | 1976-01-07 | 1977-12-13 | Texas Instruments Incorporated | Flexible magnetic disc recording technique |
| US4060839A (en) * | 1976-01-07 | 1977-11-29 | Texas Instruments Incorporated | Flexible information storage disc |
| US4069462A (en) * | 1976-12-13 | 1978-01-17 | Data General Corporation | Phase-locked loops |
-
1976
- 1976-12-17 JP JP15274976A patent/JPS5376620A/ja active Granted
-
1977
- 1977-12-09 CA CA292,749A patent/CA1099398A/en not_active Expired
- 1977-12-13 GB GB51876/77A patent/GB1570648A/en not_active Expired
- 1977-12-14 DE DE19772755748 patent/DE2755748A1/de active Granted
- 1977-12-14 NL NL7713866A patent/NL7713866A/xx active Search and Examination
- 1977-12-19 US US05/862,054 patent/US4157565A/en not_active Expired - Lifetime
- 1977-12-19 FR FR7738324A patent/FR2374804A1/fr active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580991A (en) * | 1968-04-03 | 1971-05-25 | Fernseh Gmbh | Automatic time correction circuit for color tv signals |
| US3528026A (en) * | 1968-05-01 | 1970-09-08 | Hughes Aircraft Co | Coarse-fine phase locked loop |
| US3804974A (en) * | 1970-12-28 | 1974-04-16 | Tokyo Shibaura Electric Co | Apparatus for recording and reproducing color video signals |
| US3845497A (en) * | 1971-03-04 | 1974-10-29 | Victor Company Of Japan | Colour video signal recording and reproducing system and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1099398A (en) | 1981-04-14 |
| NL7713866A (nl) | 1978-06-20 |
| US4157565A (en) | 1979-06-05 |
| FR2374804B1 (en:Method) | 1983-01-21 |
| JPS5625073B2 (en:Method) | 1981-06-10 |
| GB1570648A (en) | 1980-07-02 |
| DE2755748C2 (en:Method) | 1987-05-27 |
| FR2374804A1 (fr) | 1978-07-13 |
| JPS5376620A (en) | 1978-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: H04N 5/95 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |