JPS5416418B2 - - Google Patents
Info
- Publication number
- JPS5416418B2 JPS5416418B2 JP1773474A JP1773474A JPS5416418B2 JP S5416418 B2 JPS5416418 B2 JP S5416418B2 JP 1773474 A JP1773474 A JP 1773474A JP 1773474 A JP1773474 A JP 1773474A JP S5416418 B2 JPS5416418 B2 JP S5416418B2
- Authority
- JP
- Japan
- 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
- G02B5/08—Mirrors
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0929—Electromechanical actuators for lens positioning for tracking only
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0937—Piezoelectric actuators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33355973A | 1973-02-20 | 1973-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49115557A JPS49115557A (en]) | 1974-11-05 |
| JPS5416418B2 true JPS5416418B2 (en]) | 1979-06-22 |
Family
ID=23303308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1773474A Expired JPS5416418B2 (en]) | 1973-02-20 | 1974-02-15 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3794410A (en]) |
| JP (1) | JPS5416418B2 (en]) |
| CA (1) | CA984191A (en]) |
| DE (1) | DE2403422C3 (en]) |
| FR (1) | FR2218573B1 (en]) |
| GB (1) | GB1450556A (en]) |
| IT (1) | IT1008861B (en]) |
| NL (1) | NL161588C (en]) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3981566A (en) * | 1974-09-23 | 1976-09-21 | Eastman Kodak Company | Lever-action mountings for beam steerer mirrors |
| JPS5194245A (en]) * | 1975-02-15 | 1976-08-18 | ||
| NL174608C (nl) * | 1975-10-20 | 1984-07-02 | Philips Nv | Werkwijze voor de vervaardiging van een zwenkspiegelinrichting en een zwenkspiegelinrichting vervaardigd volgens deze werkwijze. |
| US4169276A (en) * | 1977-10-17 | 1979-09-25 | Ampex Corporation | Drive circuit for controlling a movable magnetic head |
| JPS5492307A (en) * | 1977-12-29 | 1979-07-21 | Sony Corp | Driving circuit of electrostrictive converter |
| JPS5524676A (en) * | 1978-08-09 | 1980-02-21 | Sanyo Electric Co Ltd | Infrared thermometer |
| US4369348A (en) * | 1979-01-04 | 1983-01-18 | United Technologies Corporation | Method and apparatus for high frequency optical beam oscillation |
| US4261636A (en) * | 1979-01-04 | 1981-04-14 | United Technologies Corporation | Apparatus for high frequency optical beam oscillation |
| JPS55111917A (en) * | 1979-02-22 | 1980-08-29 | Toshiba Corp | Reciprocating photo scanner |
| US4385373A (en) * | 1980-11-10 | 1983-05-24 | Eastman Kodak Company | Device for focus and alignment control in optical recording and/or playback apparatus |
| CA1225694A (en) * | 1983-12-09 | 1987-08-18 | Nippon Telegraph And Telephone Corporation | Piezoelectric actuator using bimorph element |
| US4553061A (en) * | 1984-06-11 | 1985-11-12 | General Electric Company | Piezoelectric bimorph driven direct current latching relay |
| USRE33691E (en) * | 1984-12-21 | 1991-09-17 | General Electric Company | Piezoelectric ceramic switching devices and systems and method of making the same |
| US5170277A (en) * | 1988-05-11 | 1992-12-08 | Symbol Technologies, Inc. | Piezoelectric beam deflector |
| US5410140A (en) * | 1988-05-11 | 1995-04-25 | Symbol Technologies, Inc. | Mirrorless ring mounted miniature optical scanner |
| US5514861A (en) * | 1988-05-11 | 1996-05-07 | Symbol Technologies, Inc. | Computer and/or scanner system mounted on a glove |
| US5374817A (en) * | 1988-05-11 | 1994-12-20 | Symbol Technologies, Inc. | Pre-objective scanner with flexible optical support |
| US5404001A (en) * | 1992-10-08 | 1995-04-04 | Bard; Simon | Fiber optic barcode reader |
| US5422469A (en) * | 1989-10-30 | 1995-06-06 | Symbol Technologies, Inc. | Fiber optic barcode readers using purely mechanical scanner oscillation |
| IT1242638B (it) * | 1990-11-15 | 1994-05-16 | Hal 9000 Informatica Srl | Deflettore alternativo di luce laser |
| JP3219123B2 (ja) * | 1993-11-29 | 2001-10-15 | 株式会社デンソー | ２次元光走査装置及びそれを用いたバーコード読取装置 |
| US5978329A (en) * | 1995-06-07 | 1999-11-02 | Discovision Associates | Technique for closed loop servo operation in optical disc tracking control |
| KR100316135B1 (ko) * | 1995-12-06 | 2002-04-24 | 데니스 피셸 | 빔 포커스 제어 장치 및 방법 |
| US5689485A (en) * | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1438974A (en) * | 1920-11-13 | 1922-12-19 | Western Electric Co | Piezo-electrical voltage indicator |
| US1789521A (en) * | 1928-04-10 | 1931-01-20 | Feingold Samuel | Television system |
| US3108161A (en) * | 1958-08-06 | 1963-10-22 | Rca Corp | Stereophonic phonograph pickup |
| US3544201A (en) * | 1968-01-02 | 1970-12-01 | Gen Telephone & Elect | Optical beam deflector |
| FR1578046A (en]) * | 1968-05-10 | 1969-08-14 |
-
1973
- 1973-02-20 US US00333559A patent/US3794410A/en not_active Expired - Lifetime
- 1973-12-10 GB GB5703373A patent/GB1450556A/en not_active Expired
- 1973-12-18 CA CA148,421A patent/CA984191A/en not_active Expired
-
1974
- 1974-01-17 FR FR7401598A patent/FR2218573B1/fr not_active Expired
- 1974-01-24 DE DE2403422A patent/DE2403422C3/de not_active Expired
- 1974-02-15 JP JP1773474A patent/JPS5416418B2/ja not_active Expired
- 1974-02-18 NL NL7402219.A patent/NL161588C/xx not_active IP Right Cessation
- 1974-02-19 IT IT48442/74A patent/IT1008861B/it active
Non-Patent Citations (1)
| Title |
|---|
| APPLIED OPTICS#N4=1970 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2403422C3 (de) | 1980-06-12 |
| DE2403422B2 (de) | 1979-09-20 |
| FR2218573A1 (en]) | 1974-09-13 |
| FR2218573B1 (en]) | 1976-06-25 |
| IT1008861B (it) | 1976-11-30 |
| US3794410A (en) | 1974-02-26 |
| CA984191A (en) | 1976-02-24 |
| NL161588C (nl) | 1980-02-15 |
| NL7402219A (en]) | 1974-08-22 |
| DE2403422A1 (de) | 1974-08-29 |
| GB1450556A (en) | 1976-09-22 |
| JPS49115557A (en]) | 1974-11-05 |