DE3533702C2 - - Google Patents
Info
- Publication number
- DE3533702C2 DE3533702C2 DE19853533702 DE3533702A DE3533702C2 DE 3533702 C2 DE3533702 C2 DE 3533702C2 DE 19853533702 DE19853533702 DE 19853533702 DE 3533702 A DE3533702 A DE 3533702A DE 3533702 C2 DE3533702 C2 DE 3533702C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- phase
- samples
- errors
- control signal
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 15
- 230000015654 memory Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit 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
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012549 training Methods 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
- H04N9/87—Regeneration of colour television signals
- H04N9/89—Time-base error compensation
- H04N9/896—Time-base error compensation using a digital memory with independent write-in and read-out clock generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/95—Time-base error compensation
-
- 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
- H04N9/87—Regeneration of colour television signals
- H04N9/89—Time-base error compensation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Of Color Television Signals (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853533702 DE3533702A1 (de) | 1985-09-21 | 1985-09-21 | Verfahren zur kompensation von geschwindigkeitsfehlern bei videosignalen |
| FR8612650A FR2587862B1 (fr) | 1985-09-21 | 1986-09-10 | Procede pour compenser des erreurs de vitesse dans des signaux video convertis en signaux numeriques video |
| US06/909,636 US4769720A (en) | 1985-09-21 | 1986-09-18 | Processor for video signals obtained from an information carrier such as a magnetic tape |
| GB8622622A GB2181014B (en) | 1985-09-21 | 1986-09-19 | Method for compensating velocity errors in video signals |
| JP61222263A JPS6272291A (ja) | 1985-09-21 | 1986-09-22 | ビデオ信号における速度誤差を補償する方法 |
| US07/178,985 US4864422A (en) | 1985-09-21 | 1988-04-07 | Processor for video signals obtained from an information carrier such as a magnetic tape |
| US07/335,770 US4974082A (en) | 1985-09-21 | 1989-04-10 | Digital pulse generator of phase and frequency periodically controlled precisely by external signals |
| US07/538,552 US5124806A (en) | 1985-09-21 | 1990-06-14 | Digital pulse generator phase-locked to color television video signals and means and method for thereby compensating for tape velocity timing errors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853533702 DE3533702A1 (de) | 1985-09-21 | 1985-09-21 | Verfahren zur kompensation von geschwindigkeitsfehlern bei videosignalen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3533702A1 DE3533702A1 (de) | 1987-03-26 |
| DE3533702C2 true DE3533702C2 (enExample) | 1992-07-02 |
Family
ID=6281571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853533702 Granted DE3533702A1 (de) | 1985-09-21 | 1985-09-21 | Verfahren zur kompensation von geschwindigkeitsfehlern bei videosignalen |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6272291A (enExample) |
| DE (1) | DE3533702A1 (enExample) |
| FR (1) | FR2587862B1 (enExample) |
| GB (1) | GB2181014B (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5821872B2 (ja) * | 1975-02-17 | 1983-05-04 | ソニー株式会社 | パルスハツセイカイロ |
| JPS529319A (en) * | 1975-07-11 | 1977-01-24 | Sony Corp | Time base error correcting device |
| US4321619A (en) * | 1979-10-24 | 1982-03-23 | Ampex Corporation | Second order velocity error correction for time base correctors |
| JPS56110392A (en) * | 1980-02-06 | 1981-09-01 | Hitachi Ltd | Compensator for fluctuation of time axis |
| JPS6027286A (ja) * | 1983-07-25 | 1985-02-12 | Toshiba Corp | ビデオ入力処理装置 |
| JPS60170075A (ja) * | 1984-02-14 | 1985-09-03 | Sony Corp | デイジタルビデオ信号処理装置 |
-
1985
- 1985-09-21 DE DE19853533702 patent/DE3533702A1/de active Granted
-
1986
- 1986-09-10 FR FR8612650A patent/FR2587862B1/fr not_active Expired - Lifetime
- 1986-09-19 GB GB8622622A patent/GB2181014B/en not_active Expired
- 1986-09-22 JP JP61222263A patent/JPS6272291A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB8622622D0 (en) | 1986-10-22 |
| DE3533702A1 (de) | 1987-03-26 |
| GB2181014A (en) | 1987-04-08 |
| JPS6272291A (ja) | 1987-04-02 |
| FR2587862B1 (fr) | 1992-06-05 |
| GB2181014B (en) | 1989-09-13 |
| FR2587862A1 (fr) | 1987-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8120 | Willingness to grant licenses paragraph 23 | ||
| 8127 | New person/name/address of the applicant |
Owner name: BTS BROADCAST TELEVISION SYSTEMS GMBH, 6100 DARMST |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |