FR2410406A1 - Compensateur de chute hors limite d'un signal avec detecteur de chute hors limite d'une duree proportionnelle - Google Patents
Compensateur de chute hors limite d'un signal avec detecteur de chute hors limite d'une duree proportionnelleInfo
- Publication number
- FR2410406A1 FR2410406A1 FR7833565A FR7833565A FR2410406A1 FR 2410406 A1 FR2410406 A1 FR 2410406A1 FR 7833565 A FR7833565 A FR 7833565A FR 7833565 A FR7833565 A FR 7833565A FR 2410406 A1 FR2410406 A1 FR 2410406A1
- Authority
- FR
- France
- Prior art keywords
- limit
- fall
- signal
- compensator
- duration
- 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
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)
Abstract
L'INVENTION CONCERNE UN COMPENSATEUR DE DEFAUT DE SIGNAL QUI PRODUIT UN SIGNAL VIDEO DE REMPLACEMENT A UTILISER PENDANT UNE CHUTE HORS LIMITE DU SIGNAL. SELON L'INVENTION, LE COMPENSATEUR COMPREND UN DETECTEUR 30 D'IMPULSION DE CHUTE HORS LIMITE POUR LA PRODUCTION D'UN INTERVALLE D'IMPULSION DE COMMANDE DE CHUTE HORS LIMITE ETIREE PROPORTIONNEL A LA DUREE DE LA CHUTE HORS LIMITE DU SIGNAL. L'INVENTION S'APPLIQUE NOTAMMENT A LA RESTITUTION D'UNE INFORMATION D'IMAGE DE TELEVISION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/855,709 US4158855A (en) | 1977-11-29 | 1977-11-29 | Dropout compensator with proportional duration dropout detector |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2410406A1 true FR2410406A1 (fr) | 1979-06-22 |
FR2410406B1 FR2410406B1 (fr) | 1983-08-19 |
Family
ID=25321895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7833565A Granted FR2410406A1 (fr) | 1977-11-29 | 1978-11-28 | Compensateur de chute hors limite d'un signal avec detecteur de chute hors limite d'une duree proportionnelle |
Country Status (7)
Country | Link |
---|---|
US (1) | US4158855A (fr) |
JP (1) | JPS596114B2 (fr) |
CA (1) | CA1107854A (fr) |
DE (1) | DE2851275C2 (fr) |
FR (1) | FR2410406A1 (fr) |
GB (1) | GB2009561B (fr) |
NL (1) | NL7811671A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454230A1 (fr) * | 1979-04-11 | 1980-11-07 | Rca Corp | Dispositif de compensation de defauts d'un signal module en frequence |
EP0398372A2 (fr) * | 1989-05-19 | 1990-11-22 | Sanyo Electric Co., Ltd. | Circuit de compensation de perte de niveau |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2274185A1 (fr) * | 1974-06-06 | 1976-01-02 | Rca Corp | Procedes et dispositifs pour la detection et la correction des defauts dans l'image issue d'un videodisque |
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 |
US4017895A (en) * | 1974-07-23 | 1977-04-12 | Thomson-Brandt | Method of detecting defects in read out signals, and apparatus for implementing the same |
FR2331224A1 (fr) * | 1975-03-10 | 1977-06-03 | Rca Corp | Dispositif pour la detection et la compensation des defauts dans un signal video |
Family Cites Families (6)
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 (fr) * | 1973-05-24 | 1977-02-12 | ||
NL7402014A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Inrichting voor het detekteren van signaaluit- vallen. |
US4001496A (en) * | 1974-06-06 | 1977-01-04 | Rca Corporation | Defect detection and compensation apparatus for use in an fm signal translating system |
-
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/fr not_active Expired
- 1978-11-27 DE DE2851275A patent/DE2851275C2/de not_active Expired
- 1978-11-28 NL NL7811671A patent/NL7811671A/xx not_active Application Discontinuation
- 1978-11-28 FR FR7833565A patent/FR2410406A1/fr active Granted
- 1978-11-28 JP JP53147731A patent/JPS596114B2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2274185A1 (fr) * | 1974-06-06 | 1976-01-02 | Rca Corp | Procedes et dispositifs pour la detection et la correction des defauts dans l'image issue d'un videodisque |
US4017895A (en) * | 1974-07-23 | 1977-04-12 | Thomson-Brandt | Method of detecting defects in read out signals, and apparatus for implementing the same |
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 |
FR2331224A1 (fr) * | 1975-03-10 | 1977-06-03 | Rca Corp | Dispositif pour la detection et la compensation des defauts dans un signal video |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454230A1 (fr) * | 1979-04-11 | 1980-11-07 | Rca Corp | Dispositif de compensation de defauts d'un signal module en frequence |
EP0398372A2 (fr) * | 1989-05-19 | 1990-11-22 | Sanyo Electric Co., Ltd. | Circuit de compensation de perte de niveau |
EP0398372A3 (fr) * | 1989-05-19 | 1991-11-06 | Sanyo Electric Co., Ltd. | Circuit de compensation de perte de niveau |
US5317414A (en) * | 1989-05-19 | 1994-05-31 | Sanyo Electric Co., Ltd. | Drop out compensation circuit |
Also Published As
Publication number | Publication date |
---|---|
GB2009561B (en) | 1982-06-30 |
FR2410406B1 (fr) | 1983-08-19 |
DE2851275C2 (de) | 1984-11-15 |
US4158855A (en) | 1979-06-19 |
NL7811671A (nl) | 1979-05-31 |
DE2851275A1 (de) | 1979-05-31 |
CA1107854A (fr) | 1981-08-25 |
JPS5489710A (en) | 1979-07-17 |
GB2009561A (en) | 1979-06-13 |
JPS596114B2 (ja) | 1984-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |