CA1107854A - Dropout compensator with proportional duration dropout detector - Google Patents
Dropout compensator with proportional duration dropout detectorInfo
- Publication number
- CA1107854A CA1107854A CA316,813A CA316813A CA1107854A CA 1107854 A CA1107854 A CA 1107854A CA 316813 A CA316813 A CA 316813A CA 1107854 A CA1107854 A CA 1107854A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- dropout
- multivibrator
- duration
- video
- 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
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/94—Signal drop-out compensation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US855,709 | 1977-11-29 | ||
| US05/855,709 US4158855A (en) | 1977-11-29 | 1977-11-29 | Dropout compensator with proportional duration dropout detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1107854A true CA1107854A (en) | 1981-08-25 |
Family
ID=25321895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA316,813A Expired CA1107854A (en) | 1977-11-29 | 1978-11-24 | Dropout compensator with proportional duration dropout detector |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4158855A (enExample) |
| JP (1) | JPS596114B2 (enExample) |
| CA (1) | CA1107854A (enExample) |
| DE (1) | DE2851275C2 (enExample) |
| FR (1) | FR2410406A1 (enExample) |
| GB (1) | GB2009561B (enExample) |
| NL (1) | NL7811671A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221930A (en) * | 1979-04-11 | 1980-09-09 | Rca Corporation | FM Defect compensation apparatus |
| US4392159B1 (en) * | 1980-02-01 | 1997-12-09 | Ampex | Method and apparatus for video signal processing |
| US4363117A (en) * | 1980-03-07 | 1982-12-07 | Rca Corporation | Video disc with dynamic stylus cleaning |
| US4376289A (en) * | 1980-10-27 | 1983-03-08 | Rca Corporation | Self-enabling dropout corrector |
| US4385374A (en) * | 1980-11-21 | 1983-05-24 | Rca Corporation | Video disc player with RFI reduction circuit including an AGC amplifier and dual function peak detector |
| NL8303567A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van videosignalen. |
| JPH0634296B2 (ja) * | 1985-05-27 | 1994-05-02 | キヤノン株式会社 | ドロツプアウト検出装置 |
| JPS6329362A (ja) * | 1986-07-22 | 1988-02-08 | Hitachi Ltd | 映像信号再生装置の時間軸変動補正回路 |
| JPH0787013B2 (ja) * | 1988-10-26 | 1995-09-20 | ティアツク株式会社 | ドロップアウト検出回路 |
| DE69021265T2 (de) * | 1989-05-19 | 1996-03-21 | Sanyo Electric Co | Schaltung zur Kompensation eines Aussetzfehlers. |
| IL121521A (en) | 1997-08-11 | 2003-04-10 | Nds Ltd | Television signal glitch detector |
| CN103675474B (zh) * | 2013-12-18 | 2016-04-13 | 四川和芯微电子股份有限公司 | 信号幅度检测电路 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461230A (en) * | 1965-11-10 | 1969-08-12 | Minnesota Mining & Mfg | Dropout compensator with delayed response |
| DE1762549C3 (de) * | 1966-09-10 | 1974-04-04 | Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt | Schaltungsanordnung zur Vermeidung von kurzzeitigen Ausfällen eines von einem magnetischen Speicher abgenommenen trägerfrequenten Fernsehsignals. Ausscheidung aus: 1289091 |
| US3571525A (en) * | 1968-09-30 | 1971-03-16 | Ampex | Pilot signal playback clamping during dropouts to prevent spurious time-base errors |
| JPS525358B2 (enExample) * | 1973-05-24 | 1977-02-12 | ||
| NL7402014A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Inrichting voor het detekteren van signaaluit- vallen. |
| IN144074B (enExample) * | 1974-06-06 | 1978-03-18 | Rca Corp | |
| US4001496A (en) * | 1974-06-06 | 1977-01-04 | Rca Corporation | Defect detection and compensation apparatus for use in an fm signal translating system |
| FR2299697A1 (fr) * | 1974-07-23 | 1976-08-27 | Thomson Brandt | Procédé de détection d'altération de signaux de lecture, et appareil mettant oeuvre un tel procédé |
| US3947873A (en) * | 1974-09-19 | 1976-03-30 | Basf Aktiengesellschaft | Method and circuit for detecting and compensating for drop-out and distortion of frequency modulated video signals |
| GB1536851A (en) * | 1975-03-10 | 1978-12-20 | Rca Corp | Video carrier wave defect detection and compensation |
-
1977
- 1977-11-29 US US05/855,709 patent/US4158855A/en not_active Expired - Lifetime
-
1978
- 1978-11-20 GB GB7845250A patent/GB2009561B/en not_active Expired
- 1978-11-24 CA CA316,813A patent/CA1107854A/en not_active Expired
- 1978-11-27 DE DE2851275A patent/DE2851275C2/de not_active Expired
- 1978-11-28 JP JP53147731A patent/JPS596114B2/ja not_active Expired
- 1978-11-28 FR FR7833565A patent/FR2410406A1/fr active Granted
- 1978-11-28 NL NL7811671A patent/NL7811671A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2851275A1 (de) | 1979-05-31 |
| US4158855A (en) | 1979-06-19 |
| NL7811671A (nl) | 1979-05-31 |
| FR2410406B1 (enExample) | 1983-08-19 |
| FR2410406A1 (fr) | 1979-06-22 |
| JPS5489710A (en) | 1979-07-17 |
| DE2851275C2 (de) | 1984-11-15 |
| GB2009561A (en) | 1979-06-13 |
| GB2009561B (en) | 1982-06-30 |
| JPS596114B2 (ja) | 1984-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |