FR2452838B1 - - Google Patents
Info
- Publication number
- FR2452838B1 FR2452838B1 FR7908091A FR7908091A FR2452838B1 FR 2452838 B1 FR2452838 B1 FR 2452838B1 FR 7908091 A FR7908091 A FR 7908091A FR 7908091 A FR7908091 A FR 7908091A FR 2452838 B1 FR2452838 B1 FR 2452838B1
- 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
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908091A FR2452838A1 (fr) | 1979-03-30 | 1979-03-30 | Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908091A FR2452838A1 (fr) | 1979-03-30 | 1979-03-30 | Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2452838A1 FR2452838A1 (fr) | 1980-10-24 |
| FR2452838B1 true FR2452838B1 (enExample) | 1982-08-20 |
Family
ID=9223775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7908091A Granted FR2452838A1 (fr) | 1979-03-30 | 1979-03-30 | Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2452838A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753879A (en) * | 1980-09-12 | 1982-03-31 | Victor Co Of Japan Ltd | High-speed searching system for reproducer of disk-shaped information recording medium |
| JPS57143768A (en) * | 1981-02-26 | 1982-09-06 | Victor Co Of Japan Ltd | Information signal recording disc and its recording system |
| JPS57143762A (en) * | 1981-02-26 | 1982-09-06 | Victor Co Of Japan Ltd | Information signal recording disc reproducing device |
| EP0138947A1 (en) * | 1983-03-07 | 1985-05-02 | Storage Technology Partners Ii | System for sensing the rotational position of a rotating disk having coarse seek tracks |
| FR2558630A1 (fr) * | 1984-01-23 | 1985-07-26 | Logivision | Procede et dispositif d'enregistrement de donnees sur un support d'enregistrement tel qu'un disque numerique |
| NL8400439A (nl) * | 1984-02-10 | 1985-09-02 | Philips Nv | Systeem voor het weergeven van informatie van een optisch uitleesbare registratiedrager, inrichting voor toepassing in dat systeem en een registratiedrager voor toepassing in dat systeem. |
| US4819218A (en) * | 1986-12-19 | 1989-04-04 | Eastman Kodak Company | Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7402077A (nl) * | 1974-02-15 | 1975-08-19 | Philips Nv | Systeem bevattende een afspeelinrichting en een daarbij behorende langspeelplaat. |
| US4056830A (en) * | 1974-03-15 | 1977-11-01 | Burroughs Corporation | Utilizing data for transducer positioning |
| JPS5220812A (en) * | 1975-08-11 | 1977-02-17 | Casio Comput Co Ltd | Recording system of information |
| US4161753A (en) * | 1977-07-08 | 1979-07-17 | International Business Machines Corporation | Video recording disk with interlacing of data for frames on the same track |
-
1979
- 1979-03-30 FR FR7908091A patent/FR2452838A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2452838A1 (fr) | 1980-10-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |