FR2680900B1 - MUSIC CARD WITH OPTICAL READING. - Google Patents
MUSIC CARD WITH OPTICAL READING.Info
- Publication number
- FR2680900B1 FR2680900B1 FR9110953A FR9110953A FR2680900B1 FR 2680900 B1 FR2680900 B1 FR 2680900B1 FR 9110953 A FR9110953 A FR 9110953A FR 9110953 A FR9110953 A FR 9110953A FR 2680900 B1 FR2680900 B1 FR 2680900B1
- Authority
- FR
- France
- Prior art keywords
- optical reading
- music card
- music
- card
- reading
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/032—Containers for flat record carriers for rigid discs
- G11B23/0323—Containers for flat record carriers for rigid discs for disc-packs
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/24003—Shapes of record carriers other than disc shape
- G11B7/24012—Optical cards
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9110953A FR2680900B1 (en) | 1991-09-02 | 1991-09-02 | MUSIC CARD WITH OPTICAL READING. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9110953A FR2680900B1 (en) | 1991-09-02 | 1991-09-02 | MUSIC CARD WITH OPTICAL READING. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2680900A1 FR2680900A1 (en) | 1993-03-05 |
FR2680900B1 true FR2680900B1 (en) | 1994-01-21 |
Family
ID=9416635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9110953A Expired - Fee Related FR2680900B1 (en) | 1991-09-02 | 1991-09-02 | MUSIC CARD WITH OPTICAL READING. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2680900B1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3218759A1 (en) * | 1981-05-22 | 1983-03-24 | Staar S.A., 1080 Bruxelles | AUDIO-VISUAL CASSETTE AND AUDIO PLAYER COMBINED WITH AN IMAGE VIEWER |
JPS61214290A (en) * | 1985-03-20 | 1986-09-24 | Hitachi Maxell Ltd | Disk cartridge |
-
1991
- 1991-09-02 FR FR9110953A patent/FR2680900B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2680900A1 (en) | 1993-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |