CA1314985C - Optical head - Google Patents
Optical headInfo
- Publication number
- CA1314985C CA1314985C CA000572803A CA572803A CA1314985C CA 1314985 C CA1314985 C CA 1314985C CA 000572803 A CA000572803 A CA 000572803A CA 572803 A CA572803 A CA 572803A CA 1314985 C CA1314985 C CA 1314985C
- Authority
- CA
- Canada
- Prior art keywords
- holder
- optical
- optical head
- housing member
- tapped hole
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
Landscapes
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-114012 | 1987-07-24 | ||
JP1987114012U JP2518213Y2 (ja) | 1987-07-24 | 1987-07-24 | 光学式ヘッド |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1314985C true CA1314985C (en) | 1993-03-23 |
Family
ID=14626842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000572803A Expired - Fee Related CA1314985C (en) | 1987-07-24 | 1988-07-22 | Optical head |
Country Status (5)
Country | Link |
---|---|
US (1) | US4861139A (en]) |
EP (1) | EP0300820B1 (en]) |
JP (1) | JP2518213Y2 (en]) |
CA (1) | CA1314985C (en]) |
DE (1) | DE3870531D1 (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03209411A (ja) * | 1989-09-19 | 1991-09-12 | Asahi Optical Co Ltd | 光学部品の保持構造 |
JPH03106528U (en]) * | 1990-02-16 | 1991-11-05 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5842965Y2 (ja) * | 1978-04-24 | 1983-09-29 | 旭光学工業株式会社 | レンズ鏡胴 |
DE7901401U1 (de) * | 1979-01-19 | 1980-07-03 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Mikroskopobjektivfassung |
US4351587A (en) * | 1979-03-05 | 1982-09-28 | Olympus Optical Company, Ltd. | Apparatus for positioning eyepiece of endoscope |
FR2465961A2 (fr) * | 1979-09-26 | 1981-03-27 | Omia | Dispositif de reglage de debit d'air, notamment pour cabines de peinture |
US4330176A (en) * | 1979-10-18 | 1982-05-18 | Canon Kabushiki Kaisha | Lens assembly for enabling change of image position in a camera |
GB2064848B (en) * | 1979-11-12 | 1983-09-14 | Nippon Telegraph & Telephone | Pick up device for use in a video and/or audio information readout apparatus |
JPS60163515U (ja) * | 1984-04-04 | 1985-10-30 | パイオニア株式会社 | 光学式情報読取装置におけるピツクアツプ装置 |
JPS60142829A (ja) * | 1984-12-07 | 1985-07-29 | 株式会社日立製作所 | 電気掃除機 |
JPH06242116A (ja) * | 1993-02-18 | 1994-09-02 | Masanao Makino | Pgl−1類似物質又は該物質に対する抗体の免疫学的測定方法 |
-
1987
- 1987-07-24 JP JP1987114012U patent/JP2518213Y2/ja not_active Expired - Lifetime
-
1988
- 1988-07-22 CA CA000572803A patent/CA1314985C/en not_active Expired - Fee Related
- 1988-07-22 US US07/222,764 patent/US4861139A/en not_active Expired - Lifetime
- 1988-07-22 EP EP88306774A patent/EP0300820B1/en not_active Expired - Lifetime
- 1988-07-22 DE DE8888306774T patent/DE3870531D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0300820A2 (en) | 1989-01-25 |
EP0300820A3 (en) | 1989-11-29 |
JP2518213Y2 (ja) | 1996-11-27 |
US4861139A (en) | 1989-08-29 |
EP0300820B1 (en) | 1992-04-29 |
JPS6418423U (en]) | 1989-01-30 |
DE3870531D1 (de) | 1992-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |