FR2095944A5 - - Google Patents
Info
- Publication number
- FR2095944A5 FR2095944A5 FR7120351A FR7120351A FR2095944A5 FR 2095944 A5 FR2095944 A5 FR 2095944A5 FR 7120351 A FR7120351 A FR 7120351A FR 7120351 A FR7120351 A FR 7120351A FR 2095944 A5 FR2095944 A5 FR 2095944A5
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- 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
- G11B7/128—Modulators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
- G01D15/14—Optical recording elements; Recording elements using X-or nuclear radiation
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/33—Acousto-optical deflection devices
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4386670A | 1970-06-05 | 1970-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2095944A5 true FR2095944A5 (xx) | 1972-02-11 |
Family
ID=21929282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7120351A Expired FR2095944A5 (xx) | 1970-06-05 | 1971-06-04 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2127943A1 (xx) |
FR (1) | FR2095944A5 (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074282A (en) * | 1976-05-13 | 1978-02-14 | North American Philips Corporation | Radiation-sensitive record with protected sensitive surface |
JPS5793907U (xx) * | 1980-11-26 | 1982-06-09 | ||
GB2183358A (en) * | 1985-08-19 | 1987-06-03 | Philips Electronic Associated | Acousto-optic modulator |
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1971
- 1971-06-04 FR FR7120351A patent/FR2095944A5/fr not_active Expired
- 1971-06-04 DE DE19712127943 patent/DE2127943A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2127943A1 (de) | 1971-12-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |