GB1533609A - Dropout compensation device - Google Patents
Dropout compensation deviceInfo
- Publication number
- GB1533609A GB1533609A GB22059/76A GB2205976A GB1533609A GB 1533609 A GB1533609 A GB 1533609A GB 22059/76 A GB22059/76 A GB 22059/76A GB 2205976 A GB2205976 A GB 2205976A GB 1533609 A GB1533609 A GB 1533609A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dropout
- switch
- signal
- chroma
- luminance
- 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
- 230000003111 delayed effect Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 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
- H04N9/88—Signal drop-out compensation
- H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
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 |
|---|---|---|---|
| NL7506411A NL7506411A (nl) | 1975-05-30 | 1975-05-30 | Signaaluitvalkompensatie-inrichting. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1533609A true GB1533609A (en) | 1978-11-29 |
Family
ID=19823844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22059/76A Expired GB1533609A (en) | 1975-05-30 | 1976-05-27 | Dropout compensation device |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4032966A (enExample) |
| JP (1) | JPS51147212A (enExample) |
| CA (1) | CA1068812A (enExample) |
| DE (1) | DE2621112C2 (enExample) |
| FR (1) | FR2312902A1 (enExample) |
| GB (1) | GB1533609A (enExample) |
| NL (1) | NL7506411A (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123773A (en) * | 1977-03-14 | 1978-10-31 | Basf Aktiengesellschaft | Servo arrangement for the recording tape drive in broadband signal reproducing systems |
| US4272785A (en) * | 1979-06-01 | 1981-06-09 | Rca Corporation | Defect compensation for color television |
| US4250521A (en) * | 1979-07-19 | 1981-02-10 | Rca Corporation | Video signal dropout compensator |
| US4490748A (en) * | 1980-03-24 | 1984-12-25 | Ampex Corporation | Method and apparatus for one line dropout compensation of color television signals |
| CA1171521A (en) * | 1980-03-24 | 1984-07-24 | Bantval Y. Kamath | Method and apparatus for one line dropout compensation of color television signals |
| JPS5779785A (en) * | 1980-11-05 | 1982-05-19 | Victor Co Of Japan Ltd | Dropout compensation circuit |
| JPS57190490A (en) * | 1981-05-18 | 1982-11-24 | Hitachi Ltd | Signal processing circuit of magnetic recording and reproducing device |
| US4368483A (en) * | 1981-06-22 | 1983-01-11 | Rca Corporation | Video signal defect replacement circuitry |
| US4541018A (en) * | 1981-11-06 | 1985-09-10 | Victor Company Of Japan, Ltd. | Dropout compensation and chrominance subcarrier frequency conversion circuit in a video signal reproducing apparatus |
| JPS58201487A (ja) * | 1982-05-20 | 1983-11-24 | Toshiba Corp | ビデオ再生システムにおけるドロツプアウト補償回路 |
| JPS59215009A (ja) * | 1983-05-20 | 1984-12-04 | Toshiba Corp | スイツチングノイズ除去回路 |
| JPS60162388A (ja) * | 1984-02-02 | 1985-08-24 | Mitsubishi Electric Corp | 磁気記録方式 |
| JPH06105984B2 (ja) * | 1985-12-17 | 1994-12-21 | パイオニア株式会社 | Y−c分離回路 |
| FR2595891B1 (fr) * | 1986-03-11 | 1988-06-10 | Labo Electronique Physique | Procede de renforcement des contours de signaux numeriques et dispositif de traitement pour la mise en oeuvre dudit procede |
| US5060053A (en) * | 1988-01-28 | 1991-10-22 | Canon Kabushiki Kaisha | Information signal processing device |
| JP3057263B2 (ja) * | 1990-11-27 | 2000-06-26 | ソニー株式会社 | ドロップアウト検出装置 |
| US5418656A (en) * | 1991-11-05 | 1995-05-23 | Sankyo Seiki Mfg. Co., Ltd. | Drop-out detecting circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463874A (en) * | 1966-05-25 | 1969-08-26 | Minnesota Mining & Mfg | Dropout compensator for ntsc color television |
| AT312716B (de) * | 1969-08-20 | 1974-01-10 | Bosch Fernsehanlagen | Verfahren zur Verzögerung mehrerer breitbandiger elektrischer Signale, insbesondere von Fernsehsignalen, und Verzögerungs-Einrichtung zur Durchführung dieses Verfahrens |
| AT308209B (de) * | 1971-07-15 | 1973-06-25 | Philips Nv | Schaltungsanordnung zur Dropout-Kompensation bei der Wiedergabe von auf einem Aufzeichnungsträger gespeicherten Signalen |
| NL7310869A (nl) * | 1973-08-07 | 1975-02-11 | Philips Nv | Inrichting voor het weergeven van een op een registratiedrager opgetekend videosignaal. |
-
1975
- 1975-05-30 NL NL7506411A patent/NL7506411A/xx not_active Application Discontinuation
- 1975-09-10 US US05/612,251 patent/US4032966A/en not_active Expired - Lifetime
-
1976
- 1976-05-13 DE DE2621112A patent/DE2621112C2/de not_active Expired
- 1976-05-26 FR FR7615992A patent/FR2312902A1/fr active Granted
- 1976-05-27 GB GB22059/76A patent/GB1533609A/en not_active Expired
- 1976-05-27 CA CA253,480A patent/CA1068812A/en not_active Expired
- 1976-05-28 JP JP51062182A patent/JPS51147212A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2312902B1 (enExample) | 1982-10-15 |
| DE2621112C2 (de) | 1984-09-06 |
| DE2621112A1 (de) | 1976-12-16 |
| NL7506411A (nl) | 1976-12-02 |
| JPS5729117B2 (enExample) | 1982-06-21 |
| US4032966A (en) | 1977-06-28 |
| JPS51147212A (en) | 1976-12-17 |
| CA1068812A (en) | 1979-12-25 |
| FR2312902A1 (fr) | 1976-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1533609A (en) | Dropout compensation device | |
| KR870003487Y1 (ko) | 잡음 저감 회로 | |
| GB1521115A (en) | Reproducing optical recordings | |
| GB1332279A (en) | Circuit arrangement for compensating drop-out in the repro duction of signals recorded on a record carrier | |
| EP0137994B1 (en) | Secondary beat signal cancel circuit for magnetic reproducing apparatus | |
| GB1520645A (en) | Colour correction circuit for video recorders | |
| GB931525A (en) | Systems for preventing drop-out in video tape reproduction | |
| JPS5521681A (en) | Dropout compensation unit | |
| GB1507386A (en) | Colour television apparatus and method | |
| GB1472807A (en) | Circuits for extracting luminance and chrominance signal components from a composite colour television signal | |
| GB1511932A (en) | Video recording apparatus | |
| GB1117725A (en) | Demodulating circuit for waves frequency modulated by signals of the video type | |
| GB1295769A (enExample) | ||
| JPS53125724A (en) | Color television receiver | |
| GB1260779A (en) | An arrangement and method for delaying an electrical signal | |
| JPS57190490A (en) | Signal processing circuit of magnetic recording and reproducing device | |
| JPS57190487A (en) | Signal processing circuit of magnetic recording and reproducing device | |
| GB1074264A (en) | Improvements in or relating to circuit arrangements for the magnetic recording and playback of television signals | |
| JPS57190489A (en) | Dropout compensating device provided with color flash compensating function | |
| JPS5769988A (en) | Processing circuit for video signal | |
| JPS57147104A (en) | Vtr having switching function of oxide tape and metal tape | |
| JPS6214781Y2 (enExample) | ||
| GB877439A (en) | An improved magnetic tape recording and/or reproducing system | |
| JPS55145492A (en) | Picture quality improving circuit for color television receiver | |
| JPH01190185A (ja) | ドロップアウト補償回路 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930527 |