DE69422600T2 - Plattengerät und Verfahren zur Verminderung von Beschädigungen durch Schlageinwirkung - Google Patents

Plattengerät und Verfahren zur Verminderung von Beschädigungen durch Schlageinwirkung

Info

Publication number
DE69422600T2
DE69422600T2 DE69422600T DE69422600T DE69422600T2 DE 69422600 T2 DE69422600 T2 DE 69422600T2 DE 69422600 T DE69422600 T DE 69422600T DE 69422600 T DE69422600 T DE 69422600T DE 69422600 T2 DE69422600 T2 DE 69422600T2
Authority
DE
Germany
Prior art keywords
impact
disk device
reducing damage
damage
reducing
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 - Lifetime
Application number
DE69422600T
Other languages
English (en)
Other versions
DE69422600D1 (de
Inventor
Richard H Henze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69422600D1 publication Critical patent/DE69422600D1/de
Publication of DE69422600T2 publication Critical patent/DE69422600T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08Insulation or absorption of undesired vibrations or sounds
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10Indicating arrangements; Warning arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59694System adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
DE69422600T 1993-12-15 1994-07-14 Plattengerät und Verfahren zur Verminderung von Beschädigungen durch Schlageinwirkung Expired - Lifetime DE69422600T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/168,805 US5982573A (en) 1993-12-15 1993-12-15 Disk drive and method for minimizing shock-induced damage

Publications (2)

Publication Number Publication Date
DE69422600D1 DE69422600D1 (de) 2000-02-17
DE69422600T2 true DE69422600T2 (de) 2000-07-20

Family

ID=22612998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422600T Expired - Lifetime DE69422600T2 (de) 1993-12-15 1994-07-14 Plattengerät und Verfahren zur Verminderung von Beschädigungen durch Schlageinwirkung

Country Status (5)

Country Link
US (1) US5982573A (de)
EP (1) EP0658894B1 (de)
JP (1) JPH07201124A (de)
DE (1) DE69422600T2 (de)
MY (1) MY114126A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001652B4 (de) * 2006-01-17 2012-02-23 Lenovo (Singapore) Pte. Ltd. Vorrichtung und Verfahren, um bewegungsempfindliche Komponenten in einer tragbaren EDV Anordnung selektiv zu schützen

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7355807B2 (en) * 2006-04-28 2008-04-08 Hewlett-Packard Development Company, L.P. Hard disk drive protection system and method
US6407876B1 (en) 1996-01-22 2002-06-18 Hitachi, Ltd. Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head
WO1997027588A1 (fr) * 1996-01-22 1997-07-31 Hitachi, Ltd. Appareil a disque magnetique
ES2150292T3 (es) 1996-12-19 2000-11-16 Siemens Nixdorf Inf Syst Unidad de cd-rom.
JPH10340522A (ja) * 1997-06-09 1998-12-22 Sony Corp データ記録装置及びカメラ装置
KR100255641B1 (ko) * 1997-07-31 2000-05-01 윤종용 하드디스크 드라이브의 자기헤드 부상 제어방법 및 제어장치
GB9722766D0 (en) 1997-10-28 1997-12-24 British Telecomm Portable computers
US6222336B1 (en) 1998-06-05 2001-04-24 Seagate Technology Llc Rotational vibration detection using spindle motor velocity sense coils
US6304406B1 (en) 1998-06-05 2001-10-16 Seagate Technology Llc Rotational vibration compensation using a fixed head and a constant frequency pattern
US6285522B1 (en) 1998-06-05 2001-09-04 Seagate Technology Llc Rotational vibration compensation using a dedicated surface with a constant frequency pattern
US6088185A (en) * 1998-06-05 2000-07-11 Seagate Technology, Inc. Rotational vibration detection using a velocity sense coil
WO2001004897A1 (fr) * 1999-07-09 2001-01-18 Fujitsu Limited Processeur d'informations portatif
CA2330512C (en) 2000-01-12 2003-12-30 Ubukata Industries Co., Ltd. Free fall sensor
US6629448B1 (en) 2000-02-25 2003-10-07 Seagate Technology Llc In-situ testing of a MEMS accelerometer in a disc storage system
JP2001273707A (ja) 2000-03-28 2001-10-05 Internatl Business Mach Corp <Ibm> 回転記憶装置および情報記録方法
JP2001331281A (ja) * 2000-05-19 2001-11-30 Mitsubishi Electric Research Laboratories Inc 携帯用電子装置のメモリデータバックアップ装置およびその方法
JP4491114B2 (ja) * 2000-06-23 2010-06-30 株式会社日立グローバルストレージテクノロジーズ 落下感知センサ及びこれを用いた情報処理装置
US6639753B1 (en) * 2000-09-01 2003-10-28 Hewlett-Packard Development Company, L.P. Method of forming a head assembly, a head assembly, and a linear tape drive
JP2002074934A (ja) * 2000-09-01 2002-03-15 Hitachi Ltd 外乱検出回路、これを用いた記憶装置及びその外乱検出方法
JP2002100180A (ja) * 2000-09-22 2002-04-05 Toshiba Corp 磁気ディスク装置
US6520013B1 (en) * 2000-10-02 2003-02-18 Apple Computer, Inc. Method and apparatus for detecting free fall
US7688306B2 (en) 2000-10-02 2010-03-30 Apple Inc. Methods and apparatuses for operating a portable device based on an accelerometer
FR2815162B1 (fr) * 2000-10-06 2003-01-17 Archos Dispositif de detection de chute d'un lecteur de disque dur, systeme comprenant ce dispositif et procede mettant en oeuvre un tel dispositif
US6744577B1 (en) 2001-03-23 2004-06-01 Maxtor Corporation Piezoelectric actuator and shock sensor
US6603620B1 (en) 2001-05-25 2003-08-05 Western Digital Technologies, Inc. Mobile device comprising a disk storage system protected by a motion detector
US6580574B1 (en) 2001-05-25 2003-06-17 Western Digital Technologies, Inc. Mobile device comprising a disk storage system protected by a pressure-sensitive detector
US6621694B2 (en) * 2001-09-07 2003-09-16 Harris Corporation Vibration tolerant electronic assembly and related methods
JP2004127364A (ja) * 2002-09-30 2004-04-22 Toshiba Corp 電子機器および衝撃対策方法
US7042663B2 (en) * 2002-10-03 2006-05-09 Hitachi Global Storage Technologies Netherlands B.V. Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method
WO2004057595A1 (ja) * 2002-12-19 2004-07-08 Matsushita Electric Industrial Co., Ltd. 記録媒体装置
US7616097B1 (en) 2004-07-12 2009-11-10 Apple Inc. Handheld devices as visual indicators
US7521623B2 (en) 2004-11-24 2009-04-21 Apple Inc. Music synchronization arrangement
US7894177B2 (en) 2005-12-29 2011-02-22 Apple Inc. Light activated hold switch
US7499232B2 (en) * 2003-06-16 2009-03-03 Apple Inc. Media player with acceleration protection
EP1521364B1 (de) * 2003-09-29 2013-08-21 EM Microelectronic-Marin SA Verfahren und Vorrichtung zur Filterung von durch einen Piezoelektrischen Beschleunigungsmesser erzeugten Signalen, und Anwendung auf einem tragbaren Gegenstand wie zum Beispiel eine Uhr
JP2005114402A (ja) * 2003-10-03 2005-04-28 Sony Corp 落下検出方法および装置
JP2005129172A (ja) * 2003-10-24 2005-05-19 Matsushita Electric Ind Co Ltd ハードディスクドライブの衝撃保護装置
US7375911B1 (en) 2003-11-25 2008-05-20 Maxtor Corporation Piezoelectric actuator and sensor for disk drive dual-stage servo systems
JP3961480B2 (ja) * 2003-12-26 2007-08-22 インターナショナル・ビジネス・マシーンズ・コーポレーション 磁気ディスク装置の保護機構、これを備えたコンピュータシステム、磁気ディスク装置制御方法及びプログラム
KR100594252B1 (ko) * 2004-02-17 2006-06-30 삼성전자주식회사 데이터 저장 장치에서의 헤드 움직임 제어 방법 및 이를이용한 디스크 드라이브
US7059182B1 (en) * 2004-03-03 2006-06-13 Gary Dean Ragner Active impact protection system
US20050222801A1 (en) * 2004-04-06 2005-10-06 Thomas Wulff System and method for monitoring a mobile computing product/arrangement
EP1742071A1 (de) 2004-04-28 2007-01-10 Sony Corporation Elektronisches gerät und fallerkennungsverfahren
KR100604863B1 (ko) * 2004-05-29 2006-07-26 삼성전자주식회사 헤드의 진동에 의한 영향을 회피하기 위한 하드디스크 드라이브의 기록 제어 방법 및 이에 적합한 장치
US7190540B2 (en) * 2004-06-03 2007-03-13 Sony Corporation Portable apparatus having head retracting function and head retracting method
EP1612565B1 (de) 2004-06-28 2011-01-19 STMicroelectronics Srl Freifall-Erkennungsvorrichtung und Freifall-Schutzsystem für ein tragbares elektronisches Gerät
ITTO20040436A1 (it) 2004-06-28 2004-09-28 St Microelectronics Srl Dispositivo di rilevamento di caduta libera per la protezione di apparecchi portatili.
TW200601278A (en) * 2004-06-30 2006-01-01 Altob Inc A protection mechanism and method of a read and write medium apparatus
GB2416036A (en) * 2004-07-05 2006-01-11 Richard George Vivian Doble Electronic device with motion sensor to determine likely impact and protect against damage or to enable the device.
US7318170B2 (en) * 2004-07-09 2008-01-08 Spyder Navigations, Llc Protection of non-volatile memory component against data corruption due to physical shock
JP2006090974A (ja) * 2004-09-27 2006-04-06 Fujitsu Ltd 衝突反力測定装置
KR100618866B1 (ko) * 2004-10-02 2006-08-31 삼성전자주식회사 전자기기의 자유 낙하 검출방법 및 장치
US7191089B2 (en) * 2004-12-01 2007-03-13 Freescale Semiconductor, Inc. System and method for fall detection
US7350394B1 (en) 2004-12-03 2008-04-01 Maxtor Corporation Zero-g offset identification of an accelerometer employed in a hard disk drive
US7369345B1 (en) 2004-12-03 2008-05-06 Maxtor Corporation Mobile hard disk drive free fall detection and protection
JP4519626B2 (ja) * 2004-12-17 2010-08-04 株式会社東芝 電子機器およびディスク保護方法
JP4569290B2 (ja) * 2004-12-22 2010-10-27 ソニー株式会社 ディスク駆動装置
WO2006080225A1 (ja) * 2005-01-31 2006-08-03 Hitachi Metals, Ltd. 落下検知方法および落下検知装置
US20060215299A1 (en) * 2005-03-22 2006-09-28 Ju-Song Kao Shock-resistant magnetic storage medium for a portable electronic device
JP4364157B2 (ja) * 2005-04-22 2009-11-11 トレックス・セミコンダクター株式会社 落下検出装置
US7382567B2 (en) * 2005-05-09 2008-06-03 Analog Devices, Inc. Accelerometer-based differential free fall detection system, apparatus, and method and disk drive protection mechanism employing same
JP2007049687A (ja) * 2005-07-13 2007-02-22 Victor Co Of Japan Ltd 記録再生装置
US8005347B2 (en) 2005-07-13 2011-08-23 Victor Company Of Japan, Limited Recording/reproducing device capable of avoiding or reducing various malfunctions caused by dropping
US20080199759A1 (en) 2005-07-18 2008-08-21 Societe Bic Separable Fuel Cartridge
KR100723494B1 (ko) 2005-07-23 2007-06-04 삼성전자주식회사 모바일 기기의 자유 낙하 검출 방법, 이에 적합한 장치,그리고 이에 적합한 기록매체
JP4168407B2 (ja) * 2005-08-05 2008-10-22 日立金属株式会社 落下検知装置
JP2007059014A (ja) * 2005-08-26 2007-03-08 Sony Corp 情報記録装置、および情報記録方法、並びにコンピュータ・プログラム
JP4653609B2 (ja) * 2005-09-16 2011-03-16 株式会社東芝 記録装置
KR100734284B1 (ko) * 2005-11-09 2007-07-02 삼성전자주식회사 가속도 검출기의 오프셋 보상 방법, 이를 수행하기 위한프로그램이 저장된 기록매체 그리고 이에 적합한 장치
JP4428342B2 (ja) * 2005-12-28 2010-03-10 ソニー株式会社 情報処理装置およびその内蔵ハードディスクドライブのヘッド退避処理方法
US7495858B2 (en) * 2005-12-28 2009-02-24 Sony Corporation Information processing apparatus having built-in hard disk drive and head retraction processing method of built-in hard disk drive
US20070206312A1 (en) * 2006-03-01 2007-09-06 Inventec Corporation Hard disk protection system
CN101060244A (zh) * 2006-04-19 2007-10-24 鸿富锦精密工业(深圳)有限公司 具有自动关机保护功能的便携式电子装置
JP4868951B2 (ja) * 2006-06-09 2012-02-01 東芝ストレージデバイス株式会社 制御装置、記憶装置およびヘッド退避方法
JP4817979B2 (ja) * 2006-06-14 2011-11-16 東芝ストレージデバイス株式会社 記憶装置、連続振動検出方法および制御装置
JP4724055B2 (ja) * 2006-06-15 2011-07-13 東芝ストレージデバイス株式会社 制御装置、記憶装置及びヘッド退避制御方法
US8594742B2 (en) * 2006-06-21 2013-11-26 Symbol Technologies, Inc. System and method for monitoring a mobile device
EP1879034B1 (de) * 2006-07-14 2009-11-18 STMicroelectronics S.r.l. Mikro-Elektromechanischer Inertialsensor, insbesondere für Freifall-Anwendungen
DE102007009324A1 (de) 2007-02-22 2008-08-28 Deutsche Thomson Ohg Schockschutzeinrichtung für eine einen Schwingarm-Aktuator aufweisende Abtasteinrichtung
TW200918898A (en) * 2007-06-05 2009-05-01 Murata Manufacturing Co Drop detector, magnetic disc drive and portable electronic apparatus
US7974689B2 (en) * 2007-06-13 2011-07-05 Zoll Medical Corporation Wearable medical treatment device with motion/position detection
US20090021858A1 (en) * 2007-07-17 2009-01-22 Guoyi Fu Hard Disk Drive Protection System Based on Adaptive Thresholding
US8269093B2 (en) 2007-08-21 2012-09-18 Apple Inc. Method for creating a beat-synchronized media mix
US20090070509A1 (en) 2007-09-10 2009-03-12 Chai-Chang Chlu Method of detecting and protecting falling portable computer hard disk through software monitoring driver
US7650439B2 (en) 2007-09-10 2010-01-19 Getac Technology Corporation Falling protective device for hard disk of a portable computer
US7573670B1 (en) 2007-09-27 2009-08-11 Western Digital Technologies, Inc. Disk drive seeking to OD track and then ramping velocity to implement fast unload
EP2083276B1 (de) * 2008-01-22 2014-10-29 STMicroelectronics Srl Verfahren und Vorrichtung zur Detektion von anormalen Ereignissen für eine elektrische Vorrichtung, insbesondere für eine tragbare Vorrichtung
US9151777B2 (en) * 2008-04-30 2015-10-06 Movea Device for detecting a percussion event, and associated mobile system
US8107183B2 (en) * 2008-07-02 2012-01-31 Apple Inc. Method and device for hard drive shock event detection
WO2010010781A1 (ja) * 2008-07-23 2010-01-28 株式会社村田製作所 落下検知装置、磁気ディスク装置および携帯電子機器
US8392340B2 (en) 2009-03-13 2013-03-05 Apple Inc. Method and apparatus for detecting conditions of a peripheral device including motion, and determining/predicting temperature(S) wherein at least one temperature is weighted based on detected conditions
US8074016B2 (en) * 2009-05-18 2011-12-06 Dell Products L.P. Data loss prevention during a fall of a storage device
US8390949B2 (en) * 2009-05-18 2013-03-05 Dell Products L.P. Data loss prevention during a fall of a storage device
DE102010002656A1 (de) * 2010-03-08 2011-09-08 Robert Bosch Gmbh Frei-Fall Erkennungssystem zum Schutz von Festplatten in mobilen Geräten
US20110242043A1 (en) * 2010-04-06 2011-10-06 Mark Yarvis Device with capacitive touchscreen panel and method for power management
JP2011233197A (ja) * 2010-04-27 2011-11-17 Sony Corp 情報処理装置およびそのヘッド退避処理方法
US8363344B2 (en) 2010-10-04 2013-01-29 Dell Products, Lp System and method for improved free fall detection
JP5244200B2 (ja) * 2011-01-19 2013-07-24 レノボ・シンガポール・プライベート・リミテッド 利便性に優れたセキュリティ機能を備える携帯端末装置およびアクセスの制御方法
US8903519B2 (en) * 2011-09-16 2014-12-02 Apple Inc. Protective mechanism for an electronic device
CN103176478B (zh) * 2011-12-26 2016-08-17 联想(北京)有限公司 调整电子设备重心位置的方法以及电子设备
TWI489095B (zh) * 2013-07-17 2015-06-21 Wistron Corp 力反饋機構及其相關電子裝置和使用方法
US20150032407A1 (en) * 2013-07-23 2015-01-29 Western Digital Technologies, Inc. Falling state determination for data storage device
US9076471B1 (en) * 2013-07-31 2015-07-07 Western Digital Technologies, Inc. Fall detection scheme using FFS
CN103581852B (zh) * 2013-09-30 2018-03-06 吴家宝 人体摔倒检测的方法、装置及移动终端系统
JP2019125858A (ja) 2018-01-12 2019-07-25 シャープ株式会社 電子機器、制御装置および制御プログラム
US11043243B2 (en) * 2019-05-22 2021-06-22 Western Digital Technologies, Inc. Calibrating elevator actuator for disk drive
US10783912B1 (en) * 2019-05-22 2020-09-22 Western Digital Technologies, Inc. Calibrating elevator actuator for disk drive
US10622012B1 (en) * 2019-05-22 2020-04-14 Western Digital Technologies, Inc. Calibrating elevator actuator for disk drive
US11255875B2 (en) * 2020-02-18 2022-02-22 Stmicroelectronics Asia Pacific Pte Ltd. System and method for determining distance of free fall

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264535A3 (de) * 1986-10-24 1990-09-05 Hewlett-Packard Company Ausgleichverfahren für Stoss- und Vibrationsstörung für einen Plattenantrieb
KR910010185B1 (ko) * 1987-08-11 1991-12-20 후지쓰 가부시끼가이샤 멀티-포지셔너 자기 디스크 저장 장치에 있는 자기 헤드 포지셔너들의 제어 시스템
US5227929A (en) * 1990-11-26 1993-07-13 International Business Machines Corporation Portable computer hard disk protective reflex system
US5235472A (en) * 1991-10-18 1993-08-10 Seagate Technology, Inc. Apparatus for sensing operating shock on a disk drive
DE69226519T2 (de) * 1991-12-23 1999-02-04 Atochem North America Elf Beschleunigungsmesser mit mehreren schwingungstypen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001652B4 (de) * 2006-01-17 2012-02-23 Lenovo (Singapore) Pte. Ltd. Vorrichtung und Verfahren, um bewegungsempfindliche Komponenten in einer tragbaren EDV Anordnung selektiv zu schützen

Also Published As

Publication number Publication date
EP0658894A1 (de) 1995-06-21
MY114126A (en) 2002-08-30
DE69422600D1 (de) 2000-02-17
EP0658894B1 (de) 2000-01-12
US5982573A (en) 1999-11-09
JPH07201124A (ja) 1995-08-04

Similar Documents

Publication Publication Date Title
DE69422600T2 (de) Plattengerät und Verfahren zur Verminderung von Beschädigungen durch Schlageinwirkung
DE69402487D1 (de) Vorrichtung und Verfahren zur Entfernung von Stickstoffoxiden
DE69415665D1 (de) Verfahren und gerät zur stereophonen wiedergabe
DE69421690D1 (de) Geraet und verfahren zur datenkompression
DE69429867D1 (de) Verfahren und einrichtung zur authentifizierung
DE69330941T2 (de) Vorrichtung und verfahren zur plattenaufzeichnung
DE69420400T2 (de) Verfahren und gerät zur sprechererkennung
DE69427685D1 (de) Verfahren und vorrichtung zur datenwiedergabe
DE69424902T2 (de) Gerät und Verfahren zur anpassungsfähigen nicht-buchstäblichen Textsuche
DE69427261T2 (de) Vorrichtung und Verfahren zum selektiven Betrachten von Fernsehinformation
DE69420335D1 (de) Verfahren und Gerät zur Echtheitskontrolle von Objekten
DE69225080D1 (de) Vorrichtung und Verfahren zur Aufzeichnung von Transaktionen
DE69319544T2 (de) Verfahren und Vorrichtung zum stufenweisen Abbau von Videodaten
DE69428868T2 (de) Verfahren und System zum Aufzeigen von Alternativen zur Auswahl durch Gebrauch von adaptiven Lernen
DE69414934T2 (de) Verfahren und Vorrichtung zur Auswertung von Datenstrukturinformationen
DE69421370D1 (de) Verfahren und Vorrichtung zur Datenspeicherung
DE69326298D1 (de) Verfahren und Einrichtung zur Verminderung der Spitzenleistung von Datenfolgen
DE69411159D1 (de) Strömungsleitende drehkupplung und verfahren
DE69318461D1 (de) Verfahren und Vorrichtung zur Entfernung von Stickoxyden
DE69318568T2 (de) Zusammensetzungen zur entfernung von aldehyden und verfahren
DE69432881D1 (de) Verfahren und Vorrichtung zur Aufzeichnung von Information
DE69426545D1 (de) Verfahren und Einrichtung zur Signalverarbeitung
DE69418732D1 (de) Verfahren und vorrichtung zur verbesserung von tonsignalen
DE69319455T2 (de) Verfahren und Gerät zur Wiedergabe von Information
DE69320025T2 (de) Verfahren und gerät zur informationsaufzeichnung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE