IT941329B - Apparecchiatura di scansione perfezionata - Google Patents
Apparecchiatura di scansione perfezionataInfo
- Publication number
- IT941329B IT941329B IT3162971A IT3162971A IT941329B IT 941329 B IT941329 B IT 941329B IT 3162971 A IT3162971 A IT 3162971A IT 3162971 A IT3162971 A IT 3162971A IT 941329 B IT941329 B IT 941329B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- scanning equipment
- scanning
- equipment
- perfected scanning
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
-
- 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
- G11B11/10—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 using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—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 using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
- G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9991570A | 1970-12-21 | 1970-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT941329B true IT941329B (it) | 1973-03-01 |
Family
ID=22277230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3162971A IT941329B (it) | 1970-12-21 | 1971-11-26 | Apparecchiatura di scansione perfezionata |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA954216A (it) |
CH (1) | CH532820A (it) |
DE (1) | DE2163121A1 (it) |
FR (1) | FR2119336A5 (it) |
GB (1) | GB1316917A (it) |
IT (1) | IT941329B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57133537A (en) * | 1981-02-06 | 1982-08-18 | Sharp Corp | Magnetic and optical recording and reproducing head |
FR2514913B1 (fr) * | 1981-10-16 | 1986-07-04 | Bull Sa | Dispositif opto-electronique de lecture d'informations contenues sur un support magnetique |
US4562502A (en) * | 1982-04-28 | 1985-12-31 | Tdk Corporation | Optical reproducing system |
US4564877A (en) * | 1982-04-28 | 1986-01-14 | Tdk Corporation | Magnetic recording/reproducing system with wide-gapped transducer and method for using same |
-
1971
- 1971-11-10 GB GB5211571A patent/GB1316917A/en not_active Expired
- 1971-11-16 FR FR7141951A patent/FR2119336A5/fr not_active Expired
- 1971-11-26 IT IT3162971A patent/IT941329B/it active
- 1971-12-02 CH CH1751471A patent/CH532820A/de not_active IP Right Cessation
- 1971-12-20 DE DE19712163121 patent/DE2163121A1/de active Pending
- 1971-12-20 CA CA130,476A patent/CA954216A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2163121A1 (de) | 1972-07-13 |
GB1316917A (en) | 1973-05-16 |
CA954216A (en) | 1974-09-03 |
FR2119336A5 (it) | 1972-08-04 |
CH532820A (de) | 1973-01-15 |
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