Source: http://www.google.com/patents/US5602805?ie=ISO-8859-1&dq=6519629
Timestamp: 2015-02-27 04:52:18
Document Index: 214769290

Matched Legal Cases: ['Application No. 57', 'Application No. 60', 'Application No. 63', 'Application No. 57', 'Application No. 60', 'Application No. 63']

Patent US5602805 - Disk drive apparatus and method including power backup - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe magneto-optical disk drive apparatus according to the present invention sends a notice for inhibition of writing write data into a magneto-optical disk to a host computer when a volume of electric charge in a secondary battery has not reached a predetermined level, so that, even when power supply...http://www.google.com/patents/US5602805?utm_source=gb-gplus-sharePatent US5602805 - Disk drive apparatus and method including power backupAdvanced Patent SearchPublication numberUS5602805 APublication typeGrantApplication numberUS 08/372,666Publication dateFeb 11, 1997Filing dateJan 13, 1995Priority dateJan 20, 1994Fee statusPaidPublication number08372666, 372666, US 5602805 A, US 5602805A, US-A-5602805, US5602805 A, US5602805AInventorsKazuhiro ChigitaOriginal AssigneeRicoh Company, Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (6), Non-Patent Citations (6), Referenced by (15), Classifications (23), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetDisk drive apparatus and method including power backup
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5048004 *Apr 19, 1989Sep 10, 1991Sharp Kabushiki KaishaOptical recording medium recording and reproducing deviceUS5313612 *Feb 16, 1993May 17, 1994Matsushita Electric Industrial Co., Ltd.Information recording and reproducing apparatus including both data and work optical disk drives for restoring data and commands after a malfunctionJPH0348576A * Title not availableJPS5782216A * Title not availableJPS60201579A * Title not availableJPS63311677A * Title not available* Cited by examinerNon-Patent CitationsReference1 *English Language Abstract of Japanese Laid Open Application No. 57 82216.2 *English Language Abstract of Japanese Laid Open Application No. 60 201579.3 *English Language Abstract of Japanese Laid Open Application No. 63 311677.4English Language Abstract of Japanese Laid-Open Application No. 57-82216.5English Language Abstract of Japanese Laid-Open Application No. 60-201579.6English Language Abstract of Japanese Laid-Open Application No. 63-311677.* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS6608400Apr 23, 1999Aug 19, 2003Fujitsu Siemens Computers GmbhMethod and configuration for effecting an interruption-free power supply operation of a system unitUS6735455Dec 20, 2000May 11, 2004Nec CorporationPortable information terminal and power supply control method thereforUS6928567Apr 27, 2001Aug 9, 2005Sony CorporationInformation processing system in which power supply information of a recording/reproducing unit controls operations of a host computerUS7028203 *Oct 22, 2004Apr 11, 2006Sony CorporationInformation processing system and information processing apparatusUS7227825 *Jan 13, 2004Jun 5, 2007Hitachi, Ltd.Signal recording/reproducing apparatus with improved power consumptionUS7536593 *Mar 5, 2004May 19, 2009International Business Machines CorporationApparatus, system, and method for emergency backupUS7599241Aug 6, 2007Oct 6, 2009Sandisk CorporationEnhanced write abort mechanism for non-volatile memoryUS7721132Nov 9, 2005May 18, 2010Sony CorporationInformation processing apparatus with temperature-dependent battery chargingUS7848199 *Dec 1, 2008Dec 7, 2010Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd.Spindle motor controlling method and optical disk drive using the sameUS20080088482 *Oct 15, 2007Apr 17, 2008Fujitsu Ten LimitedVehicle information recording apparatusUS20110197079 *Feb 7, 2011Aug 11, 2011Buffalo Inc.Peripheral device and method of operating the sameEP1113561A1 *Dec 22, 2000Jul 4, 2001Nec CorporationPortable information terminal and power supply control method thereforEP1152411A2 *Apr 27, 2001Nov 7, 2001Sony CorporationInformation processing system and information processing apparatusEP1209676A1 *Nov 12, 2001May 29, 2002LG Electronics Inc.Method of controlling disk writing operation based on battery remaining capacityWO1999056375A2 *Apr 23, 1999Nov 4, 1999Muehsam GerhardMethod and configuration for effecting an interruption-free power supply operation of a system unit* Cited by examinerClassifications U.S. Classification369/13.02, G9B/11.053, G9B/19.005, 369/53.3, G9B/33.027, 369/243International ClassificationG11B33/12, H02J7/00, G11B11/10, H02J9/06, G11B19/00, G11B19/04, G11B11/105Cooperative ClassificationH02J9/061, G11B19/04, G11B33/121, G11B11/10595, H02J7/0024European ClassificationH02J7/00C4, G11B19/04, H02J9/06B, G11B11/105P, G11B33/12BLegal EventsDateCodeEventDescriptionAug 6, 2008FPAYFee paymentYear of fee payment: 12Jul 7, 2004FPAYFee paymentYear of fee payment: 8Jul 31, 2000FPAYFee paymentYear of fee payment: 4Jan 13, 1995ASAssignmentOwner name: RICOH COMPANY, LTD., JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHIGITA, KAZUHIRO;REEL/FRAME:007310/0485Effective date: 19950105RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services