CA999458A - Signal recording system using a holographic slit - Google Patents
Signal recording system using a holographic slitInfo
- Publication number
- CA999458A CA999458A CA182,586A CA182586A CA999458A CA 999458 A CA999458 A CA 999458A CA 182586 A CA182586 A CA 182586A CA 999458 A CA999458 A CA 999458A
- Authority
- CA
- Canada
- Prior art keywords
- recording system
- signal recording
- holographic slit
- holographic
- slit
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10001972A JPS5127549B2 (de) | 1972-10-04 | 1972-10-04 | |
JP10211572A JPS5147630B2 (de) | 1972-10-11 | 1972-10-11 | |
JP47102920A JPS5925222B2 (ja) | 1972-10-13 | 1972-10-13 | ホログラフイツクスリツト |
Publications (1)
Publication Number | Publication Date |
---|---|
CA999458A true CA999458A (en) | 1976-11-09 |
Family
ID=27309118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA182,586A Expired CA999458A (en) | 1972-10-04 | 1973-10-03 | Signal recording system using a holographic slit |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA999458A (de) |
FR (1) | FR2202304B1 (de) |
GB (1) | GB1451083A (de) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3567305A (en) * | 1966-10-18 | 1971-03-02 | Bell Telephone Labor Inc | Hologram masking techniques |
-
1973
- 1973-10-03 CA CA182,586A patent/CA999458A/en not_active Expired
- 1973-10-03 GB GB4613473A patent/GB1451083A/en not_active Expired
- 1973-10-03 FR FR7335369A patent/FR2202304B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2349727A1 (de) | 1974-04-11 |
GB1451083A (en) | 1976-09-29 |
FR2202304A1 (de) | 1974-05-03 |
DE2349727B2 (de) | 1975-11-27 |
FR2202304B1 (de) | 1976-12-10 |
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