JPS6059548A - 光学ヘツド - Google Patents
光学ヘツドInfo
- Publication number
- JPS6059548A JPS6059548A JP58166731A JP16673183A JPS6059548A JP S6059548 A JPS6059548 A JP S6059548A JP 58166731 A JP58166731 A JP 58166731A JP 16673183 A JP16673183 A JP 16673183A JP S6059548 A JPS6059548 A JP S6059548A
- Authority
- JP
- Japan
- Prior art keywords
- optical waveguide
- light source
- optical head
- semiconductor laser
- opening end
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
-
- 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
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
-
- 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
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
- G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58166731A JPS6059548A (ja) | 1983-09-12 | 1983-09-12 | 光学ヘツド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58166731A JPS6059548A (ja) | 1983-09-12 | 1983-09-12 | 光学ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6059548A true JPS6059548A (ja) | 1985-04-05 |
JPH0520817B2 JPH0520817B2 (ko) | 1993-03-22 |
Family
ID=15836699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58166731A Granted JPS6059548A (ja) | 1983-09-12 | 1983-09-12 | 光学ヘツド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6059548A (ko) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS621131A (ja) * | 1985-06-26 | 1987-01-07 | Matsushita Electric Ind Co Ltd | 光学ヘツド |
JPS62217434A (ja) * | 1986-03-18 | 1987-09-24 | Fujitsu Ltd | 導波路型光学ヘツド |
JPS62251707A (ja) * | 1986-04-24 | 1987-11-02 | Fujitsu Ltd | 光受動部品 |
JPS63164032A (ja) * | 1986-12-26 | 1988-07-07 | Matsushita Electric Ind Co Ltd | 光情報処理装置 |
JPS6443822A (en) * | 1987-08-11 | 1989-02-16 | Seiko Epson Corp | Optical pick-up |
US6181673B1 (en) * | 1996-07-30 | 2001-01-30 | Read-Rite Corporation | Slider design |
EP1750150A1 (en) * | 2005-07-25 | 2007-02-07 | Research In Motion Limited | Shared light pipe for message indicator and light sensor of ambient light |
US7352930B2 (en) | 2005-07-25 | 2008-04-01 | Research In Motion Limited | Shared light pipe for a message indicator and light sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4868202A (ko) * | 1971-12-17 | 1973-09-18 | ||
JPS4888951A (ko) * | 1972-02-23 | 1973-11-21 | ||
JPS5037402A (ko) * | 1973-08-03 | 1975-04-08 | ||
JPS5117412A (ko) * | 1974-08-02 | 1976-02-12 | Sharp Kk |
-
1983
- 1983-09-12 JP JP58166731A patent/JPS6059548A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4868202A (ko) * | 1971-12-17 | 1973-09-18 | ||
JPS4888951A (ko) * | 1972-02-23 | 1973-11-21 | ||
JPS5037402A (ko) * | 1973-08-03 | 1975-04-08 | ||
JPS5117412A (ko) * | 1974-08-02 | 1976-02-12 | Sharp Kk |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS621131A (ja) * | 1985-06-26 | 1987-01-07 | Matsushita Electric Ind Co Ltd | 光学ヘツド |
JPS62217434A (ja) * | 1986-03-18 | 1987-09-24 | Fujitsu Ltd | 導波路型光学ヘツド |
JPS62251707A (ja) * | 1986-04-24 | 1987-11-02 | Fujitsu Ltd | 光受動部品 |
JPS63164032A (ja) * | 1986-12-26 | 1988-07-07 | Matsushita Electric Ind Co Ltd | 光情報処理装置 |
JPS6443822A (en) * | 1987-08-11 | 1989-02-16 | Seiko Epson Corp | Optical pick-up |
US6181673B1 (en) * | 1996-07-30 | 2001-01-30 | Read-Rite Corporation | Slider design |
EP1750150A1 (en) * | 2005-07-25 | 2007-02-07 | Research In Motion Limited | Shared light pipe for message indicator and light sensor of ambient light |
US7352930B2 (en) | 2005-07-25 | 2008-04-01 | Research In Motion Limited | Shared light pipe for a message indicator and light sensor |
US7760975B2 (en) | 2005-07-25 | 2010-07-20 | Research In Motion Limited | Shared light pipe for message indicator and light sensor |
Also Published As
Publication number | Publication date |
---|---|
JPH0520817B2 (ko) | 1993-03-22 |
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