JPS573236A - Optical information reader - Google Patents
Optical information readerInfo
- Publication number
- JPS573236A JPS573236A JP7708680A JP7708680A JPS573236A JP S573236 A JPS573236 A JP S573236A JP 7708680 A JP7708680 A JP 7708680A JP 7708680 A JP7708680 A JP 7708680A JP S573236 A JPS573236 A JP S573236A
- Authority
- JP
- Japan
- Prior art keywords
- prism
- reflected light
- light
- signal
- inexpensive
- 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
-
- 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)
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7708680A JPS573236A (en) | 1980-06-10 | 1980-06-10 | Optical information reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7708680A JPS573236A (en) | 1980-06-10 | 1980-06-10 | Optical information reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS573236A true JPS573236A (en) | 1982-01-08 |
JPH0146925B2 JPH0146925B2 (ko) | 1989-10-11 |
Family
ID=13623964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7708680A Granted JPS573236A (en) | 1980-06-10 | 1980-06-10 | Optical information reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS573236A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178905A (ja) * | 1982-04-13 | 1983-10-20 | 帝人株式会社 | 芳香族ポリアミドフィルム絶縁電気部材の製造法 |
JPH06913A (ja) * | 1982-09-08 | 1994-01-11 | Toray Ind Inc | 芳香族ポリアミドフィルム複合体 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50104539A (ko) * | 1974-01-15 | 1975-08-18 | ||
JPS5293222A (en) * | 1976-01-28 | 1977-08-05 | Philips Nv | Recording medium reader |
JPS5319806A (en) * | 1976-08-09 | 1978-02-23 | Hitachi Ltd | Information reproducer |
-
1980
- 1980-06-10 JP JP7708680A patent/JPS573236A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50104539A (ko) * | 1974-01-15 | 1975-08-18 | ||
JPS5293222A (en) * | 1976-01-28 | 1977-08-05 | Philips Nv | Recording medium reader |
JPS5319806A (en) * | 1976-08-09 | 1978-02-23 | Hitachi Ltd | Information reproducer |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178905A (ja) * | 1982-04-13 | 1983-10-20 | 帝人株式会社 | 芳香族ポリアミドフィルム絶縁電気部材の製造法 |
JPH0124323B2 (ko) * | 1982-04-13 | 1989-05-11 | Teijin Ltd | |
JPH06913A (ja) * | 1982-09-08 | 1994-01-11 | Toray Ind Inc | 芳香族ポリアミドフィルム複合体 |
Also Published As
Publication number | Publication date |
---|---|
JPH0146925B2 (ko) | 1989-10-11 |
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