PL86219B1 - - Google Patents
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- Publication number
- PL86219B1 PL86219B1 PL16493373A PL16493373A PL86219B1 PL 86219 B1 PL86219 B1 PL 86219B1 PL 16493373 A PL16493373 A PL 16493373A PL 16493373 A PL16493373 A PL 16493373A PL 86219 B1 PL86219 B1 PL 86219B1
- Authority
- PL
- Poland
- Prior art keywords
- radiation
- recording medium
- lens
- reading
- information
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Radiography Using Non-Light Waves (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7211996A NL7211996A (da) | 1972-09-02 | 1972-09-02 | |
| NL7212044A NL7212044A (da) | 1972-09-05 | 1972-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL86219B1 true PL86219B1 (da) | 1976-05-31 |
Family
ID=26644797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16493373A PL86219B1 (da) | 1972-09-02 | 1973-08-30 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5330453B2 (da) |
| AR (1) | AR198680A1 (da) |
| AT (1) | AT328002B (da) |
| BE (1) | BE804328A (da) |
| CA (1) | CA1005907A (da) |
| CH (1) | CH569327A5 (da) |
| DK (1) | DK135558B (da) |
| ES (1) | ES418390A1 (da) |
| FR (1) | FR2198203B1 (da) |
| GB (1) | GB1441175A (da) |
| IT (1) | IT990420B (da) |
| NO (1) | NO141671C (da) |
| PL (1) | PL86219B1 (da) |
| SE (1) | SE394154B (da) |
| YU (1) | YU39711B (da) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1013854A (en) * | 1973-02-20 | 1977-07-12 | John S. Winslow | Videodisc mastering system |
| FR2280150B1 (fr) * | 1974-07-26 | 1977-01-07 | Thomson Brandt | Dispositif de detection d'ecart de mise au point d'une tete de lecture optique par rapport a une surface de lecture |
| JPS5922289B2 (ja) * | 1975-11-20 | 1984-05-25 | ソニー株式会社 | ジヨウホウケンシユツソウチ |
| JPS5916331B2 (ja) * | 1975-11-27 | 1984-04-14 | パイオニア株式会社 | コウガクシキシンゴウヨミトリソウチ |
| US4097895A (en) * | 1976-03-19 | 1978-06-27 | Rca Corporation | Multilayer optical record |
| FR2470391A1 (fr) * | 1979-11-21 | 1981-05-29 | Thomson Csf | Dispositif optique stigmatique d'emission-reception de rayonnements coherents et tete optique d'enregistrement-lecture comprenant un tel dispositif |
| NL8004892A (nl) * | 1980-08-29 | 1982-04-01 | Philips Nv | Inrichting voor het verwerken van optische informatie en werkwijze voor het vervaardigen van een coma-correctieplaat zoals toegepast in een dergelijke inrichting. |
| JPS5997713U (ja) * | 1982-12-20 | 1984-07-02 | 市川毛織株式会社 | スキマ− |
| JPS6234127A (ja) * | 1985-08-08 | 1987-02-14 | Konishiroku Photo Ind Co Ltd | 光変調方式 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3673412A (en) * | 1970-03-02 | 1972-06-27 | Trw Inc | Radiant energy beam scanning method and apparatus |
| JPS5443710B2 (da) * | 1972-03-15 | 1979-12-21 |
-
1973
- 1973-07-25 AR AR24927273A patent/AR198680A1/es active
- 1973-08-29 NO NO339973A patent/NO141671C/no unknown
- 1973-08-29 FR FR7331189A patent/FR2198203B1/fr not_active Expired
- 1973-08-30 CA CA180,004A patent/CA1005907A/en not_active Expired
- 1973-08-30 YU YU231773A patent/YU39711B/xx unknown
- 1973-08-30 SE SE7311792A patent/SE394154B/xx unknown
- 1973-08-30 IT IT5223973A patent/IT990420B/it active
- 1973-08-30 PL PL16493373A patent/PL86219B1/pl unknown
- 1973-08-30 DK DK477973A patent/DK135558B/da not_active IP Right Cessation
- 1973-08-30 CH CH1246973A patent/CH569327A5/xx not_active IP Right Cessation
- 1973-08-30 AT AT756073A patent/AT328002B/de not_active IP Right Cessation
- 1973-08-30 JP JP9675473A patent/JPS5330453B2/ja not_active Expired
- 1973-08-31 GB GB4111173A patent/GB1441175A/en not_active Expired
- 1973-08-31 BE BE135211A patent/BE804328A/xx not_active IP Right Cessation
- 1973-08-31 ES ES418390A patent/ES418390A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR198680A1 (es) | 1974-07-15 |
| DE2341824A1 (de) | 1974-03-14 |
| AT328002B (de) | 1976-02-25 |
| NO141671B (no) | 1980-01-07 |
| ATA756073A (de) | 1975-05-15 |
| CA1005907A (en) | 1977-02-22 |
| SE394154B (sv) | 1977-06-06 |
| YU39711B (en) | 1985-04-30 |
| FR2198203B1 (da) | 1979-08-03 |
| IT990420B (it) | 1975-06-20 |
| DE2341824B2 (de) | 1976-10-14 |
| NO141671C (no) | 1980-04-16 |
| CH569327A5 (da) | 1975-11-14 |
| JPS4965726A (da) | 1974-06-26 |
| BE804328A (fr) | 1974-02-28 |
| DK135558C (da) | 1977-10-24 |
| YU231773A (en) | 1982-06-30 |
| DK135558B (da) | 1977-05-16 |
| GB1441175A (en) | 1976-06-30 |
| JPS5330453B2 (da) | 1978-08-26 |
| AU5978073A (en) | 1975-03-06 |
| FR2198203A1 (da) | 1974-03-29 |
| ES418390A1 (es) | 1976-03-16 |
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