FR2280168B1 - - Google Patents
Info
- Publication number
- FR2280168B1 FR2280168B1 FR7425492A FR7425492A FR2280168B1 FR 2280168 B1 FR2280168 B1 FR 2280168B1 FR 7425492 A FR7425492 A FR 7425492A FR 7425492 A FR7425492 A FR 7425492A FR 2280168 B1 FR2280168 B1 FR 2280168B1
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7425492A FR2280168A1 (fr) | 1974-07-23 | 1974-07-23 | Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede |
| US05/597,633 US4006295A (en) | 1974-07-23 | 1975-07-21 | Method of detecting defects in signals corresponding to the read-out of a data carrier and system for implementing such a method |
| DE19752532771 DE2532771A1 (de) | 1974-07-23 | 1975-07-22 | Verfahren zur erfassung der verschlechterung von lesesignalen von auf einem traeger aufgezeichneter information und anordnung zur durchfuehrung eines solchen verfahrens |
| CA231,990A CA1056944A (en) | 1974-07-23 | 1975-07-22 | Method of detecting alterations in signals corresponding to the read-out of a data carrier and system for implementing such a method |
| GB30695/75A GB1513825A (en) | 1974-07-23 | 1975-07-22 | Method of detecting alterations in signals corresponding to the read-out of a data carrier and system for implementing such a method |
| JP50090007A JPS5177209A (en) | 1974-07-23 | 1975-07-23 | Deeta kyariano yomidashishingono hendookenshutsusuru hoho oyobi sochi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7425492A FR2280168A1 (fr) | 1974-07-23 | 1974-07-23 | Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2280168A1 FR2280168A1 (fr) | 1976-02-20 |
| FR2280168B1 true FR2280168B1 (US07754267-20100713-C00017.png) | 1979-04-27 |
Family
ID=9141583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425492A Granted FR2280168A1 (fr) | 1974-07-23 | 1974-07-23 | Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536851A (en) * | 1975-03-10 | 1978-12-20 | Rca Corp | Video carrier wave defect detection and compensation |
| JPS53114608A (en) * | 1977-03-16 | 1978-10-06 | Matsushita Electric Ind Co Ltd | Defect detector |
| JPS5757025A (en) * | 1980-09-24 | 1982-04-06 | Sony Corp | Waveform converting circuit |
| JPS60219679A (ja) * | 1984-04-13 | 1985-11-02 | Mitsubishi Electric Corp | 情報記録装置 |
| US5058093A (en) * | 1986-01-27 | 1991-10-15 | Matsushita Electric Industrial Co., Ltd. | Signal level deviation detecting apparatus |
| EP0283281B1 (en) * | 1987-02-23 | 1993-02-03 | Pioneer Electronic Corporation | Drop-out compensator circuit |
| JPH054372Y2 (US07754267-20100713-C00017.png) * | 1987-03-17 | 1993-02-03 | ||
| JPH02137595A (ja) * | 1988-11-18 | 1990-05-25 | Sony Corp | ドロップアウトの検出回路 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3080487A (en) * | 1959-07-06 | 1963-03-05 | Thompson Ramo Wooldridge Inc | Timing signal generator |
| US3071723A (en) * | 1960-05-03 | 1963-01-01 | Potter Instrument Co Inc | Device for detecting defects in magnetic tape |
| FR1332809A (fr) * | 1961-07-10 | 1963-07-19 | Minnesota Mining & Mfg | Antiparasite électronique pour chutes de tension |
| FR1402254A (fr) * | 1963-07-15 | 1965-06-11 | Minnesota Mining & Mfg | Dispositif destiné à corriger les défaillances passagères d'un signal récurrent, et ses applications notamment à la reproduction des signaux télévisés |
| US3461230A (en) * | 1965-11-10 | 1969-08-12 | Minnesota Mining & Mfg | Dropout compensator with delayed response |
| US3474418A (en) * | 1967-06-19 | 1969-10-21 | Ibm | Data tracking system |
| US3865981A (en) * | 1973-07-16 | 1975-02-11 | Odetics Inc | Clock signal assurance in digital data communication systems |
| NL7310869A (nl) * | 1973-08-07 | 1975-02-11 | Philips Nv | Inrichting voor het weergeven van een op een registratiedrager opgetekend videosignaal. |
| NL7402014A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Inrichting voor het detekteren van signaaluit- vallen. |
| US3909518A (en) * | 1974-06-06 | 1975-09-30 | Rca Corp | Signal switching apparatus for compensating record defects |
| US3925605A (en) * | 1974-06-28 | 1975-12-09 | Zenith Radio Corp | Dropout detector for video disc playback |
| 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 |
-
1974
- 1974-07-23 FR FR7425492A patent/FR2280168A1/fr active Granted
-
1975
- 1975-07-21 US US05/597,633 patent/US4006295A/en not_active Expired - Lifetime
- 1975-07-22 CA CA231,990A patent/CA1056944A/en not_active Expired
- 1975-07-22 DE DE19752532771 patent/DE2532771A1/de active Pending
- 1975-07-22 GB GB30695/75A patent/GB1513825A/en not_active Expired
- 1975-07-23 JP JP50090007A patent/JPS5177209A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1056944A (en) | 1979-06-19 |
| GB1513825A (en) | 1978-06-14 |
| DE2532771A1 (de) | 1976-02-12 |
| FR2280168A1 (fr) | 1976-02-20 |
| US4006295A (en) | 1977-02-01 |
| JPS5177209A (en) | 1976-07-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |