FR2500673A1 - Support d'enregistrement rotatif et systeme d'enregistrement correspondant - Google Patents
Support d'enregistrement rotatif et systeme d'enregistrement correspondant Download PDFInfo
- Publication number
- FR2500673A1 FR2500673A1 FR8203137A FR8203137A FR2500673A1 FR 2500673 A1 FR2500673 A1 FR 2500673A1 FR 8203137 A FR8203137 A FR 8203137A FR 8203137 A FR8203137 A FR 8203137A FR 2500673 A1 FR2500673 A1 FR 2500673A1
- Authority
- FR
- France
- Prior art keywords
- track
- recorded
- signal
- reference signal
- region
- 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
- 230000002265 prevention Effects 0.000 title 1
- 230000008859 change Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000012571 Ficus glomerata Nutrition 0.000 description 1
- 240000000365 Ficus racemosa Species 0.000 description 1
- 241000282342 Martes americana Species 0.000 description 1
- 235000015125 Sterculia urens Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
- G11B11/05—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by capacitive means
-
- 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
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
-
- 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
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- 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
- G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
-
- 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
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2735181A JPS57143768A (en) | 1981-02-26 | 1981-02-26 | Information signal recording disc and its recording system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2500673A1 true FR2500673A1 (fr) | 1982-08-27 |
| FR2500673B1 FR2500673B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-12-14 |
Family
ID=12218612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8203137A Granted FR2500673A1 (fr) | 1981-02-26 | 1982-02-25 | Support d'enregistrement rotatif et systeme d'enregistrement correspondant |
Country Status (5)
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2384316A1 (fr) * | 1977-02-09 | 1978-10-13 | Victor Company Of Japan | Support d'enregistrement de signaux video et audio et dispositif pour realiser des enregistrements sur ce support |
| FR2452838A1 (fr) * | 1979-03-30 | 1980-10-24 | Thomson Csf | Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede |
| GB2071392A (en) * | 1980-02-07 | 1981-09-16 | Victor Company Of Japan | Video disc with control signals for providing rapid head traverse |
-
1981
- 1981-02-26 JP JP2735181A patent/JPS57143768A/ja active Granted
-
1982
- 1982-02-25 AU AU80788/82A patent/AU551028B2/en not_active Ceased
- 1982-02-25 NL NL8200760A patent/NL8200760A/nl not_active Application Discontinuation
- 1982-02-25 CA CA000397081A patent/CA1177954A/en not_active Expired
- 1982-02-25 FR FR8203137A patent/FR2500673A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2384316A1 (fr) * | 1977-02-09 | 1978-10-13 | Victor Company Of Japan | Support d'enregistrement de signaux video et audio et dispositif pour realiser des enregistrements sur ce support |
| FR2452838A1 (fr) * | 1979-03-30 | 1980-10-24 | Thomson Csf | Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede |
| GB2071392A (en) * | 1980-02-07 | 1981-09-16 | Victor Company Of Japan | Video disc with control signals for providing rapid head traverse |
Non-Patent Citations (1)
| Title |
|---|
| ELECTRONIC ENGINEERING, vol. 52, no. 642, septembre 1980, pages 129-165, Londres, GB * |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8200760A (nl) | 1982-09-16 |
| CA1177954A (en) | 1984-11-13 |
| AU8078882A (en) | 1982-09-02 |
| JPS57143768A (en) | 1982-09-06 |
| AU551028B2 (en) | 1986-04-17 |
| FR2500673B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-12-14 |
| JPS624794B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |