FR2580085B1 - - Google Patents
Info
- Publication number
- FR2580085B1 FR2580085B1 FR8604863A FR8604863A FR2580085B1 FR 2580085 B1 FR2580085 B1 FR 2580085B1 FR 8604863 A FR8604863 A FR 8604863A FR 8604863 A FR8604863 A FR 8604863A FR 2580085 B1 FR2580085 B1 FR 2580085B1
- 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
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/01—Details
- G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
-
- 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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60072042A JP2556465B2 (ja) | 1985-04-05 | 1985-04-05 | 記録再生装置の光ヘッドアクセス方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2580085A1 FR2580085A1 (US20080094685A1-20080424-C00004.png) | 1986-10-10 |
| FR2580085B1 true FR2580085B1 (US20080094685A1-20080424-C00004.png) | 1990-09-21 |
Family
ID=13477941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8604863A Expired FR2580085B1 (US20080094685A1-20080424-C00004.png) | 1985-04-05 | 1986-04-04 |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1294705C (en) * | 1986-04-09 | 1992-01-21 | Wataru Sakagami | Optical information recording medium and recording-reproducing apparatus |
| US4982391A (en) * | 1987-02-20 | 1991-01-01 | Canon Kabushiki Kaisha | Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction |
| JP2549664B2 (ja) * | 1987-07-31 | 1996-10-30 | オリンパス光学工業株式会社 | 光カ−ド装置 |
| JPH0610879B2 (ja) * | 1988-07-08 | 1994-02-09 | シャープ株式会社 | 光メモリ装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398223A (en) * | 1955-06-14 | 1983-08-09 | Lemelson Jerome H | System for recording video information on a record card |
| US3518658A (en) * | 1964-12-16 | 1970-06-30 | Ibm | Digital comparison-to-analog signal converter |
| US3550085A (en) * | 1965-06-09 | 1970-12-22 | Daniel Silverman | Information system using arrays of multiple spot patterns |
| NL7212015A (US20080094685A1-20080424-C00004.png) * | 1972-09-04 | 1974-03-06 | ||
| DE2543276A1 (de) * | 1975-09-27 | 1977-03-31 | Licentia Gmbh | Wiedergabesystem fuer auf einem bandfoermigen traeger aufgezeichnete informationen |
| FR2345769A1 (fr) * | 1976-03-25 | 1977-10-21 | Blazevic Milos | Dispositif d'enregistrement, de lecture et de traduction automatique et support correspondant |
| CH612524A5 (en) * | 1976-12-28 | 1979-07-31 | Gretag Ag | Identification card with optically retrievable information stored in three-dimensional form |
| US4296491A (en) * | 1979-07-30 | 1981-10-20 | Atlantic Richfield Company | Information carrier having inter-track identification code information |
| GB2092791B (en) * | 1981-02-02 | 1984-12-05 | Smiths Industries Plc | Record carriers |
| US4402061A (en) * | 1981-10-15 | 1983-08-30 | Burroughs Corporation | Preformatted optical media for use in an optical memory system |
| US4519054A (en) * | 1982-06-03 | 1985-05-21 | News Log International, Inc. | Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby |
| US4534031A (en) * | 1982-08-02 | 1985-08-06 | News Log International | Coded data on a record carrier and method for encoding same |
| JPS59161524U (ja) * | 1983-04-14 | 1984-10-29 | ティーディーケイ株式会社 | 光カ−ド |
-
1985
- 1985-04-05 JP JP60072042A patent/JP2556465B2/ja not_active Expired - Lifetime
-
1986
- 1986-04-02 CA CA000505632A patent/CA1270059A/en not_active Expired
- 1986-04-04 CH CH133786A patent/CH671475A5/fr not_active IP Right Cessation
- 1986-04-04 DE DE19863611334 patent/DE3611334A1/de active Granted
- 1986-04-04 GB GB8608345A patent/GB2174531B/en not_active Expired - Lifetime
- 1986-04-04 FR FR8604863A patent/FR2580085B1/fr not_active Expired
-
1989
- 1989-04-04 CH CH164989A patent/CH674681A5/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3611334C2 (US20080094685A1-20080424-C00004.png) | 1992-06-25 |
| GB2174531A (en) | 1986-11-05 |
| CH671475A5 (US20080094685A1-20080424-C00004.png) | 1989-08-31 |
| JP2556465B2 (ja) | 1996-11-20 |
| JPS61230629A (ja) | 1986-10-14 |
| CH674681A5 (US20080094685A1-20080424-C00004.png) | 1990-06-29 |
| CA1270059A (en) | 1990-06-05 |
| GB2174531B (en) | 1990-05-30 |
| GB8608345D0 (en) | 1986-05-08 |
| DE3611334A1 (de) | 1986-10-16 |
| FR2580085A1 (US20080094685A1-20080424-C00004.png) | 1986-10-10 |
