FR2465293A1 - Tourne-videodisque avec systeme d'asservissement a boucles emboitees - Google Patents
Tourne-videodisque avec systeme d'asservissement a boucles emboitees Download PDFInfo
- Publication number
- FR2465293A1 FR2465293A1 FR8019559A FR8019559A FR2465293A1 FR 2465293 A1 FR2465293 A1 FR 2465293A1 FR 8019559 A FR8019559 A FR 8019559A FR 8019559 A FR8019559 A FR 8019559A FR 2465293 A1 FR2465293 A1 FR 2465293A1
- Authority
- FR
- France
- Prior art keywords
- output
- signal
- active filter
- input
- amplifier
- 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
- 230000001052 transient effect Effects 0.000 claims abstract description 25
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims description 23
- 238000012937 correction Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- 230000001944 accentuation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 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
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/03—Driving or moving of heads for correcting time base error during transducing operation, by driving or moving the head in a direction more or less parallel to the direction of travel of the recording medium, e.g. tangential direction on a rotating disc
-
- 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
- H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
-
- 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
- H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
-
- 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
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Rotational Drive Of Disk (AREA)
- Feedback Control In General (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/074,515 US4247866A (en) | 1979-09-11 | 1979-09-11 | Nested loop video disc servo system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2465293A1 true FR2465293A1 (fr) | 1981-03-20 |
| FR2465293B1 FR2465293B1 (OSRAM) | 1984-04-27 |
Family
ID=22119972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8019559A Granted FR2465293A1 (fr) | 1979-09-11 | 1980-09-10 | Tourne-videodisque avec systeme d'asservissement a boucles emboitees |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4247866A (OSRAM) |
| JP (1) | JPS5647961A (OSRAM) |
| KR (1) | KR830002322B1 (OSRAM) |
| AU (1) | AU541905B2 (OSRAM) |
| CA (1) | CA1154156A (OSRAM) |
| DE (1) | DE3034280C2 (OSRAM) |
| ES (1) | ES494947A0 (OSRAM) |
| FR (1) | FR2465293A1 (OSRAM) |
| GB (1) | GB2060214B (OSRAM) |
| IT (1) | IT1133812B (OSRAM) |
| NL (1) | NL8005100A (OSRAM) |
| PL (1) | PL134775B1 (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360829A (en) * | 1980-06-24 | 1982-11-23 | Rca Corporation | Active distortion elimination circuitry for a video disc player |
| JPS57200969A (en) * | 1981-06-01 | 1982-12-09 | Victor Co Of Japan Ltd | Jitter correcting circuit of reproducing device for disk-like information recording medium |
| JPS5812170A (ja) * | 1981-07-14 | 1983-01-24 | Victor Co Of Japan Ltd | 円盤状情報記録媒体再生装置のジツタ補正回路 |
| US4520402A (en) * | 1982-11-15 | 1985-05-28 | Rca Corporation | Video apparatus with burst locked heterodyne chroma converter and residual time base error correction |
| JPS6189312A (ja) * | 1984-10-08 | 1986-05-07 | 新井 浄峻 | 陶磁器製造花の製造方法 |
| JPH0183020U (OSRAM) * | 1987-11-18 | 1989-06-02 | ||
| JPH09239193A (ja) * | 1996-03-06 | 1997-09-16 | Tokugoro Yamada | 布団干し機 |
| JP4966147B2 (ja) * | 2007-09-26 | 2012-07-04 | 株式会社東芝 | 信号再生方法及び磁気ヘッド並びに磁気記録再生装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871020A (en) * | 1973-05-07 | 1975-03-11 | Rca Corp | Chrominance signal correction |
| US3873990A (en) * | 1972-09-06 | 1975-03-25 | Rca Corp | Chrominance signal correction |
| US3965482A (en) * | 1974-11-12 | 1976-06-22 | Rca Corporation | Velocity correction circuit for video discs |
-
1979
- 1979-09-11 US US06/074,515 patent/US4247866A/en not_active Expired - Lifetime
-
1980
- 1980-08-21 CA CA000358745A patent/CA1154156A/en not_active Expired
- 1980-09-04 AU AU62055/80A patent/AU541905B2/en not_active Withdrawn - After Issue
- 1980-09-04 GB GB8028530A patent/GB2060214B/en not_active Expired
- 1980-09-08 IT IT24529/80A patent/IT1133812B/it active
- 1980-09-08 JP JP12521580A patent/JPS5647961A/ja active Granted
- 1980-09-10 NL NL8005100A patent/NL8005100A/nl not_active Application Discontinuation
- 1980-09-10 FR FR8019559A patent/FR2465293A1/fr active Granted
- 1980-09-10 KR KR1019800003564A patent/KR830002322B1/ko not_active Expired
- 1980-09-11 DE DE3034280A patent/DE3034280C2/de not_active Expired
- 1980-09-11 PL PL1980226701A patent/PL134775B1/pl unknown
- 1980-09-11 ES ES494947A patent/ES494947A0/es active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873990A (en) * | 1972-09-06 | 1975-03-25 | Rca Corp | Chrominance signal correction |
| US3871020A (en) * | 1973-05-07 | 1975-03-11 | Rca Corp | Chrominance signal correction |
| US3965482A (en) * | 1974-11-12 | 1976-06-22 | Rca Corporation | Velocity correction circuit for video discs |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2060214B (en) | 1983-07-20 |
| CA1154156A (en) | 1983-09-20 |
| KR830002322B1 (ko) | 1983-10-22 |
| IT1133812B (it) | 1986-07-24 |
| AU6205580A (en) | 1981-03-19 |
| DE3034280C2 (de) | 1983-01-05 |
| PL226701A1 (OSRAM) | 1981-07-10 |
| ES8105542A1 (es) | 1981-05-16 |
| IT8024529A0 (it) | 1980-09-08 |
| AU541905B2 (en) | 1985-01-31 |
| DE3034280A1 (de) | 1981-03-19 |
| US4247866A (en) | 1981-01-27 |
| NL8005100A (nl) | 1981-03-13 |
| FR2465293B1 (OSRAM) | 1984-04-27 |
| JPS5647961A (en) | 1981-04-30 |
| GB2060214A (en) | 1981-04-29 |
| JPS6243597B2 (OSRAM) | 1987-09-16 |
| PL134775B1 (en) | 1985-09-30 |
| ES494947A0 (es) | 1981-05-16 |
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