CH530691A - Informationsträger - Google Patents
InformationsträgerInfo
- Publication number
- CH530691A CH530691A CH879271A CH879271A CH530691A CH 530691 A CH530691 A CH 530691A CH 879271 A CH879271 A CH 879271A CH 879271 A CH879271 A CH 879271A CH 530691 A CH530691 A CH 530691A
- Authority
- CH
- Switzerland
- Prior art keywords
- information carrier
- carrier
- information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/72—Groove formations, e.g. run-in groove, run-out groove
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702029931 DE2029931C3 (de) | 1970-06-18 | Mit einer Rillenmodulation versehener scheibenförmiger Informationsträger |
Publications (1)
Publication Number | Publication Date |
---|---|
CH530691A true CH530691A (de) | 1972-11-15 |
Family
ID=5774241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH879271A CH530691A (de) | 1970-06-18 | 1971-06-16 | Informationsträger |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT321609B (de) |
BE (1) | BE768590A (de) |
CH (1) | CH530691A (de) |
FR (1) | FR2099173A5 (de) |
GB (1) | GB1359858A (de) |
NL (1) | NL7108348A (de) |
-
1971
- 1971-06-09 GB GB1977571A patent/GB1359858A/en not_active Expired
- 1971-06-15 AT AT515071A patent/AT321609B/de not_active IP Right Cessation
- 1971-06-16 CH CH879271A patent/CH530691A/de not_active IP Right Cessation
- 1971-06-16 BE BE768590A patent/BE768590A/xx unknown
- 1971-06-17 NL NL7108348A patent/NL7108348A/xx unknown
- 1971-06-17 FR FR7122076A patent/FR2099173A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1359858A (en) | 1974-07-10 |
AT321609B (de) | 1975-04-10 |
FR2099173A5 (de) | 1972-03-10 |
DE2029931B2 (de) | 1977-02-24 |
NL7108348A (de) | 1971-12-21 |
BE768590A (fr) | 1971-11-03 |
DE2029931A1 (de) | 1971-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |