DD113649A5 - - Google Patents
Info
- Publication number
- DD113649A5 DD113649A5 DD17743474A DD17743474A DD113649A5 DD 113649 A5 DD113649 A5 DD 113649A5 DD 17743474 A DD17743474 A DD 17743474A DD 17743474 A DD17743474 A DD 17743474A DD 113649 A5 DD113649 A5 DD 113649A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
-
- 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
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2315735A DE2315735A1 (de) | 1973-03-27 | 1973-03-27 | Verfahren und vorrichtungen zur herstellung einer spurfuehrungbei der aufzeichnung von informationen in einer spirale auf einem plattenfoermigen signaltraeger |
| DE19742405071 DE2405071A1 (de) | 1974-02-02 | 1974-02-02 | Verfahren und vorrichtung zur herstellung einer spurfuehrung bei der aufzeichnung von informationen in einer spirale auf einem plattenfoermigen signaltraeger |
| DE19742405039 DE2405039A1 (de) | 1974-02-02 | 1974-02-02 | Verfahren und vorrichtung zur herstellung einer spurfuehrung bei der aufzeichnung von informationen in einer spirale auf einem plattenfoermigen signaltraeger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD113649A5 true DD113649A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-12 |
Family
ID=27185161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17743474A DD113649A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-27 | 1974-03-25 |
Country Status (5)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2321164A1 (fr) * | 1975-08-13 | 1977-03-11 | Thomson Csf | Procede mecano-optique de diffusion de l'information, disque et dispositifs d'enregistrement et de lecture pour la mise en oeuvre de ce procede |
| JPS5569500A (en) * | 1978-11-17 | 1980-05-26 | Pilot Ink Co Ltd | Method of making writing implement clip with ornament |
| JPS5646721A (en) * | 1979-09-21 | 1981-04-28 | Seidensha Denshi Kogyo Kk | Caulking device for plastic projection |
| JPS609743Y2 (ja) * | 1979-11-13 | 1985-04-05 | セイコーエプソン株式会社 | 防水時計ケ−スのガラス部の係止構造 |
| JPS5674381U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1979-11-13 | 1981-06-18 | ||
| JPS5757619A (en) * | 1980-09-25 | 1982-04-06 | Matsushita Electric Ind Co Ltd | Holding device of plastic forming parts of hot air blowing type |
| JPS57146117A (en) * | 1981-03-05 | 1982-09-09 | Aisin Seiki Co Ltd | Attaching method for float stopper in liquid level detecting device |
| FR2521760A1 (fr) * | 1982-02-12 | 1983-08-19 | Thomson Csf | Procede thermo-optique d'inscription d'information sur support et dispositif mettant en oeuvre ce procede |
| JPS60132616U (ja) * | 1984-02-13 | 1985-09-04 | パイオニア株式会社 | 記録装置 |
| JPH072955Y2 (ja) * | 1988-08-25 | 1995-01-30 | 文化シヤッター株式会社 | 明り取り窓の構造 |
| JPH042620U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1990-04-23 | 1992-01-10 | ||
| US20070062917A1 (en) * | 2005-09-21 | 2007-03-22 | Quantronix Corporation | Laser cutting and sawing method and apparatus |
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1974
- 1974-03-21 IT IT4939674A patent/IT1004391B/it active
- 1974-03-25 GB GB1311474A patent/GB1461605A/en not_active Expired
- 1974-03-25 DD DD17743474A patent/DD113649A5/xx unknown
- 1974-03-26 FR FR7410383A patent/FR2223778A1/fr not_active Withdrawn
- 1974-03-27 JP JP3435474A patent/JPS5027502A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1004391B (it) | 1976-07-10 |
| GB1461605A (en) | 1977-01-13 |
| FR2223778A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-25 |
| JPS5027502A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-03-20 |