FR2278135A1 - DEVICE FOR WRITING AND / OR READING INFORMATION - Google Patents
DEVICE FOR WRITING AND / OR READING INFORMATIONInfo
- Publication number
- FR2278135A1 FR2278135A1 FR7521756A FR7521756A FR2278135A1 FR 2278135 A1 FR2278135 A1 FR 2278135A1 FR 7521756 A FR7521756 A FR 7521756A FR 7521756 A FR7521756 A FR 7521756A FR 2278135 A1 FR2278135 A1 FR 2278135A1
- Authority
- FR
- France
- Prior art keywords
- writing
- reading information
- reading
- information
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
-
- 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/89—Television signal recording using holographic recording
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2433070A DE2433070A1 (en) | 1974-07-10 | 1974-07-10 | SYSTEM FOR RECORDING AND / OR SCANNING INFORMATION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2278135A1 true FR2278135A1 (en) | 1976-02-06 |
FR2278135B3 FR2278135B3 (en) | 1978-02-24 |
Family
ID=5920143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7521756A Granted FR2278135A1 (en) | 1974-07-10 | 1975-07-10 | DEVICE FOR WRITING AND / OR READING INFORMATION |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2433070A1 (en) |
FR (1) | FR2278135A1 (en) |
GB (1) | GB1461028A (en) |
NL (1) | NL7508076A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383500A1 (en) * | 1977-03-09 | 1978-10-06 | Philips Nv | OPTICAL MEMORY ADDRESSED BY MECHANICAL ROUTE |
FR2414237A1 (en) * | 1976-03-31 | 1979-08-03 | Jacobs Eli S | OPTICAL INFORMATION READING DEVICE |
FR2449943A1 (en) * | 1979-02-22 | 1980-09-19 | Tokyo Shibaura Electric Co | INFORMATION READING OR RECORDING DEVICE USING LIGHT BEAM SCAN |
FR2602364A1 (en) * | 1986-07-31 | 1988-02-05 | Michel Maksymowicz | Method of recording and reading information on a medium, and information medium for implementing this method |
EP0534601A2 (en) * | 1991-09-27 | 1993-03-31 | Pioneer Electronic Corporation | Optical disk, method of recording the same and optical pickup apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5843224A (en) * | 1981-09-10 | 1983-03-12 | Mitsui Mining Co Ltd | Dry type flue gas desulfurization and denitration method |
-
1974
- 1974-07-10 DE DE2433070A patent/DE2433070A1/en not_active Withdrawn
-
1975
- 1975-07-07 NL NL7508076A patent/NL7508076A/en not_active Application Discontinuation
- 1975-07-10 GB GB2914775A patent/GB1461028A/en not_active Expired
- 1975-07-10 FR FR7521756A patent/FR2278135A1/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2414237A1 (en) * | 1976-03-31 | 1979-08-03 | Jacobs Eli S | OPTICAL INFORMATION READING DEVICE |
FR2383500A1 (en) * | 1977-03-09 | 1978-10-06 | Philips Nv | OPTICAL MEMORY ADDRESSED BY MECHANICAL ROUTE |
FR2449943A1 (en) * | 1979-02-22 | 1980-09-19 | Tokyo Shibaura Electric Co | INFORMATION READING OR RECORDING DEVICE USING LIGHT BEAM SCAN |
FR2602364A1 (en) * | 1986-07-31 | 1988-02-05 | Michel Maksymowicz | Method of recording and reading information on a medium, and information medium for implementing this method |
EP0534601A2 (en) * | 1991-09-27 | 1993-03-31 | Pioneer Electronic Corporation | Optical disk, method of recording the same and optical pickup apparatus |
EP0534601A3 (en) * | 1991-09-27 | 1993-05-05 | Pioneer Electronic Corporation | Optical disk, method of recording the same and optical pickup apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE2433070A1 (en) | 1976-01-29 |
GB1461028A (en) | 1977-01-13 |
NL7508076A (en) | 1976-01-13 |
FR2278135B3 (en) | 1978-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |