NL194811B - Servoschakeling. - Google Patents
Servoschakeling.Info
- Publication number
- NL194811B NL194811B NL8700082A NL8700082A NL194811B NL 194811 B NL194811 B NL 194811B NL 8700082 A NL8700082 A NL 8700082A NL 8700082 A NL8700082 A NL 8700082A NL 194811 B NL194811 B NL 194811B
- Authority
- NL
- Netherlands
- Prior art keywords
- servo circuit
- servo
- circuit
- Prior art date
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
- G11B7/08—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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP826586 | 1986-01-16 | ||
JP826586A JPS62165201A (ja) | 1986-01-16 | 1986-01-16 | サ−ボ回路 |
JP1845186A JPS62174812A (ja) | 1986-01-28 | 1986-01-28 | サ−ボ回路方式 |
JP1845186 | 1986-01-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8700082A NL8700082A (nl) | 1987-08-17 |
NL194811B true NL194811B (nl) | 2002-11-01 |
NL194811C NL194811C (nl) | 2003-03-04 |
Family
ID=26342756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8700082A NL194811C (nl) | 1986-01-16 | 1987-01-15 | Servoschakeling. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4812726A (nl) |
DE (1) | DE3701144A1 (nl) |
NL (1) | NL194811C (nl) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2199167B (en) | 1986-11-29 | 1991-02-20 | Papst Motoren Gmbh & Co Kg | Rotary drive for a data storage medium |
DE3715491A1 (de) * | 1987-05-09 | 1988-11-17 | Thomson Brandt Gmbh | Geraet zur wiedergabe von daten |
US4942563A (en) * | 1987-09-30 | 1990-07-17 | Kabushiki Kaisha Toshiba | Signal processing apparatus and method capable of providing precise digital data |
JPH01173441A (ja) * | 1987-12-28 | 1989-07-10 | Toshiba Corp | 情報記録再生装置 |
US4941082A (en) * | 1988-04-25 | 1990-07-10 | Electro Scientific Industries, Inc. | Light beam positioning system |
US5251194A (en) * | 1989-04-17 | 1993-10-05 | Mitsubishi Denki Kabushiki Kaisha | Techniques for controlling beam position and focus in optical disk drives |
US5077507A (en) * | 1989-06-29 | 1991-12-31 | Mitsubishi Denki K.K. | Servo control apparatus |
US5132602A (en) * | 1990-10-02 | 1992-07-21 | Calsonic International, Inc. | Actuator positioning apparatus |
JP3444093B2 (ja) * | 1996-06-10 | 2003-09-08 | 株式会社デンソー | 光センサ回路 |
JP2000512791A (ja) * | 1997-04-25 | 2000-09-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光学的に読取り可能な記録担体を走査する走査装置及び検出装置 |
KR100518514B1 (ko) | 1998-02-20 | 2005-11-24 | 삼성전자주식회사 | 하드 디스크 드라이브에서 엑츄에이터 온트랙 제어장치및 그방법 |
US6762902B2 (en) | 2000-12-15 | 2004-07-13 | Samsung Electronics Co., Ltd. | Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device |
JP2005503182A (ja) * | 2001-01-16 | 2005-02-03 | ギブン・イメージング・リミテツド | 体腔の広域画像形成用のシステムおよび方法 |
IL159450A0 (en) | 2001-06-18 | 2004-06-01 | Given Imaging Ltd | In vivo sensing device with a circuit board having rigid sections and flexible sections |
US7833151B2 (en) * | 2002-12-26 | 2010-11-16 | Given Imaging Ltd. | In vivo imaging device with two imagers |
TWI406690B (zh) * | 2004-02-26 | 2013-09-01 | Semiconductor Energy Lab | 運動器具,娛樂工具,和訓練工具 |
US20060217593A1 (en) * | 2005-03-24 | 2006-09-28 | Zvika Gilad | Device, system and method of panoramic multiple field of view imaging |
JP2009532082A (ja) * | 2006-03-30 | 2009-09-10 | ギブン イメージング リミテッド | 生体内検出デバイス、ならびにイメージャとイメージャのプロセッサとの間の通信方法 |
US20080161647A1 (en) * | 2006-12-27 | 2008-07-03 | Amit Pascal | Device and method for multiple illumination fields of an in-vivo imaging device |
WO2009014155A1 (en) | 2007-07-25 | 2009-01-29 | Semiconductor Energy Laboratory Co., Ltd. | Photoelectric conversion device and electronic device having the same |
US8516691B2 (en) | 2009-06-24 | 2013-08-27 | Given Imaging Ltd. | Method of assembly of an in vivo imaging device with a flexible circuit board |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3739247A (en) * | 1971-05-17 | 1973-06-12 | Canon Kk | Positioning device using photoelectric scanning |
US4183060A (en) * | 1976-03-19 | 1980-01-08 | Rca Corporation | Capacitance distance sensor apparatus for video disc player/recorder |
JPS555923A (en) * | 1978-06-27 | 1980-01-17 | Nippon Yuuboard Kogyo Kk | Production of rigid urethane block utilizing the waste of rigid foamed urethane |
JPS6030016B2 (ja) * | 1979-09-25 | 1985-07-13 | 日本ビクター株式会社 | 円盤状記録媒体記録及び/又は再生装置のサ−ボ方式 |
US4492465A (en) * | 1980-12-18 | 1985-01-08 | The Boeing Company | Retro-reflective electro-optical angle measuring system |
JPS57193818A (en) * | 1981-05-25 | 1982-11-29 | Toshiba Corp | Positioning device |
US4498129A (en) * | 1981-07-02 | 1985-02-05 | Irwin Magnetic Systems, Inc. | Method and apparatus for normalizing servo-positioning signals |
JPS5828654A (ja) * | 1981-07-14 | 1983-02-19 | Sumitomo Metal Ind Ltd | スロツピング予知方法 |
JPS5828655A (ja) * | 1981-08-13 | 1983-02-19 | Rigaku Denki Kk | 単結晶体の切断面検査装置 |
JPS5828653A (ja) * | 1981-08-13 | 1983-02-19 | Nec Corp | 材料表面欠陥検出装置 |
JPS5848104A (ja) * | 1981-09-16 | 1983-03-22 | Motoda Electronics Co Ltd | 移動体制御方式 |
JPS5885940A (ja) * | 1981-11-17 | 1983-05-23 | Hitachi Ltd | 光デイスクの自動焦点引込み方法 |
DE3214375C2 (de) * | 1982-04-20 | 1986-09-04 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Einrichtung zur Bestimmung der Lage eines Satelliten |
JPS6070924U (ja) * | 1983-10-19 | 1985-05-20 | パイオニア株式会社 | 焦点誤差検出装置 |
JP2607237B2 (ja) * | 1984-01-10 | 1997-05-07 | シャープ株式会社 | 光集束位置制御装置 |
JPS60136070A (ja) * | 1983-12-23 | 1985-07-19 | Nec Corp | サ−ボトラツク書込み装置 |
JPS60154336A (ja) * | 1984-01-24 | 1985-08-14 | Foster Denki Kk | サ−ボ回路装置 |
JPS60182521A (ja) * | 1984-02-29 | 1985-09-18 | Nec Home Electronics Ltd | 光ピツクアツプの調整装置 |
JP2548106B2 (ja) * | 1984-05-23 | 1996-10-30 | ソニー株式会社 | 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置 |
-
1987
- 1987-01-15 NL NL8700082A patent/NL194811C/nl not_active IP Right Cessation
- 1987-01-16 US US07/003,798 patent/US4812726A/en not_active Expired - Lifetime
- 1987-01-16 DE DE19873701144 patent/DE3701144A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
NL194811C (nl) | 2003-03-04 |
NL8700082A (nl) | 1987-08-17 |
DE3701144C2 (nl) | 1993-09-16 |
US4812726A (en) | 1989-03-14 |
DE3701144A1 (de) | 1987-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Effective date: 20070115 |