DCARD, Inc.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0267,047 Secure optical data card systemAbandonedApr 26, 07Oct 30, 08[G11B]
7334733 Data access device using rotational head to access data stored in data strips and data arc segments or data circlesExpiredApr 28, 03Feb 26, 08[G06K]
7336569 Optical disk tracking servo circuit enabled to compensate for non-continuous track segments or prolonged defectExpiredJul 09, 04Feb 26, 08[G11B]
7185814 Layer structure and method of manufacture for optical memory strip (OMS)ExpiredFeb 17, 04Mar 06, 07[G06K]
2006/0248,548 Optical card drive with adaptive receiving tray and focusing adaptorAbandonedApr 28, 05Nov 02, 06[G11B]
2006/0039,246 Adaptive system to allow multiple update and correction sessions on an optical data storage cardAbandonedAug 19, 04Feb 23, 06[G11B]
6934098 Data card with a full circular track for alignment and amplitude calibrationExpiredOct 01, 01Aug 23, 05[G11B]
2004/0218,518 Multi-layered data storage cardAbandonedJun 07, 04Nov 04, 04[G11B]
6775080 Data access device implemented with open and closed control loops to access data stored in discrete stepwise segmentsExpiredJan 29, 01Aug 10, 04[G11B]
6728059 Magnetic data card servo writerExpiredJul 08, 02Apr 27, 04[G11B]
6588671 Positioning of a recording head for a data storage deviceExpiredAug 03, 01Jul 08, 03[G06K]
6545831 Servo-sector arrangement over several data arcs for a rotational head data recording and retrieving systemExpiredOct 11, 00Apr 08, 03[G11B]
6502755 Optical data storage cardExpiredApr 09, 99Jan 07, 03[G06K]
6499659 Pulse shaping for a transformer coupled read/write recording deviceExpiredNov 03, 99Dec 31, 02[G06K]
2002/0104,882 OPTICAL DATA CARD READER SYSTEMAbandonedApr 09, 99Aug 08, 02[G06K]
6417980 Magnetic data card servo writerExpiredApr 09, 99Jul 09, 02[G11B]
6339569 Optical data card servo writerExpiredApr 09, 99Jan 15, 02[G11B]
2001/0052,543 MAGNETIC DATA CARDREADER SYSTEMAbandonedApr 09, 99Dec 20, 01[G06K]
6311893 Optical data access system with data card reader having a single rotational moving pickup headExpiredApr 09, 99Nov 06, 01[G06K]
6307709 Magnetic data storage cardExpiredApr 09, 99Oct 23, 01[G11B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.