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Francis Kong King
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Rochester, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disk tracking servo circuit enabled to compensate for non-c...
Patent number
7,336,569
Issue date
Feb 26, 2008
Dcard, Inc.
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Data access device using rotational head to access data stored in d...
Patent number
7,334,733
Issue date
Feb 26, 2008
Dcard, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Layer structure and method of manufacture for optical memory strip...
Patent number
7,185,814
Issue date
Mar 6, 2007
Dcard, Inc.
Jeffrey Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data card with a full circular track for alignment and amplitude ca...
Patent number
6,934,098
Issue date
Aug 23, 2005
DCARD, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data access device implemented with open and closed control loops t...
Patent number
6,775,080
Issue date
Aug 10, 2004
Dcard, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic data card servo writer
Patent number
6,728,059
Issue date
Apr 27, 2004
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Positioning of a recording head for a data storage device
Patent number
6,588,671
Issue date
Jul 8, 2003
Dcard, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Servo-sector arrangement over several data arcs for a rotational he...
Patent number
6,545,831
Issue date
Apr 8, 2003
Dcard, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical data storage card
Patent number
6,502,755
Issue date
Jan 7, 2003
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pulse shaping for a transformer coupled read/write recording device
Patent number
6,499,659
Issue date
Dec 31, 2002
Dcard, Inc.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic data card servo writer
Patent number
6,417,980
Issue date
Jul 9, 2002
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical data card servo writer
Patent number
6,339,569
Issue date
Jan 15, 2002
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical data access system with data card reader having a single ro...
Patent number
6,311,893
Issue date
Nov 6, 2001
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic data storage card
Patent number
6,307,709
Issue date
Oct 23, 2001
Dcard, Inc.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Zone servo sector format alignment scheme for servo and spindle mot...
Patent number
5,121,280
Issue date
Jun 9, 1992
Syquest Technology
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly for magnetic head
Patent number
4,399,476
Issue date
Aug 16, 1983
Datapoint Corporation
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Transducer carriage assembly
Patent number
4,355,339
Issue date
Oct 19, 1982
International Business Machines Corporation
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Spring suspension for magnetic transducer
Patent number
4,291,350
Issue date
Sep 22, 1981
International Business Machines Corporation
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Transducers with tapered edge profiles and assembly thereof
Patent number
4,191,980
Issue date
Mar 4, 1980
International Business Machines Corporation
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer with inner and outer magnetic medium cooperatin...
Patent number
4,097,909
Issue date
Jun 27, 1978
International Business Machines Corporation
Francis Kong King
G11 - INFORMATION STORAGE
Information
Patent Grant
Flexible disk file access mechanism
Patent number
4,092,681
Issue date
May 30, 1978
International Business Machines Corporation
Gary Lee Dix
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage device utilizing flexible magnetic disks
Patent number
3,975,769
Issue date
Aug 17, 1976
International Business Machines Corporation
Francis Kong King
G11 - INFORMATION STORAGE
Information
Patent Grant
Counter resetting circuitry for magnetic disk system
Patent number
3,956,766
Issue date
May 11, 1976
International Business Machines Corporation
Charles Christian Hanson
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Secure optical data card system
Publication number
20080267047
Publication date
Oct 30, 2008
DCARD, INC.
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Application
Optical card drive with adaptive receiving tray and focusing adaptor
Publication number
20060248548
Publication date
Nov 2, 2006
DCARD, INC.
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Application
Adaptive system to allow multiple update and correction sessions on...
Publication number
20060039246
Publication date
Feb 23, 2006
DCARD, INC.
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk tracking servo circuit enabled to compensate for non-c...
Publication number
20050270942
Publication date
Dec 8, 2005
DCARD, INC.
Francis K. King
G11 - INFORMATION STORAGE
Information
Patent Application
Multi-layered data storage card
Publication number
20040218518
Publication date
Nov 4, 2004
DCARD, INC.
Jeffrey Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Layer structure and method of manufacture for optical memory strip...
Publication number
20040159707
Publication date
Aug 19, 2004
DCARD, INC.
Jeffrey Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data access device using rotational head to access data stored in d...
Publication number
20040076105
Publication date
Apr 22, 2004
DCARD, INC.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Magnetic data card servo writer
Publication number
20020186495
Publication date
Dec 12, 2002
DCARD, INC.
Jeffrey F. Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data card with a full circular track for alignment and amplitude ca...
Publication number
20020138808
Publication date
Sep 26, 2002
DCARD, INC.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL DATA CARD READER SYSTEM
Publication number
20020104882
Publication date
Aug 8, 2002
JEFFREY F. LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL DATA STORAGE CARD
Publication number
20020014534
Publication date
Feb 7, 2002
JEFFREY F. LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Positioning of a recording head for a data storage device
Publication number
20020005432
Publication date
Jan 17, 2002
DCARD, INC.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MAGNETIC DATA CARDREADER SYSTEM
Publication number
20010052543
Publication date
Dec 20, 2001
JEFFREY F. LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data access device implemented with open and closed control loops t...
Publication number
20010033446
Publication date
Oct 25, 2001
DCARD, INC.
Francis K. King
G06 - COMPUTING CALCULATING COUNTING