DPHI Acquisitions, Inc.

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Secure access system and method
- Patent number 7,958,377
- Issue date Jun 7, 2011
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Use of mother stamper for optical disk molding
- Patent number 7,914,711
- Issue date Mar 29, 2011
- DPHI Acquisitions, Inc.
- Brian S. Medower
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
First surface removable optical disc within a cartridge
- Patent number 7,913,270
- Issue date Mar 22, 2011
- DPHI Acquisitions, Inc.
- Michael F. Braitberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive servo with a servo processor receiving photodetector...
- Patent number 7,839,729
- Issue date Nov 23, 2010
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive with micro-SIL
- Patent number 7,808,879
- Issue date Oct 5, 2010
- DPHI Acquisitions, Inc.
- Bernard W. Bell, Jr.
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical disk drive with hybrid solid immersion objective lens
- Patent number 7,808,880
- Issue date Oct 5, 2010
- DPHI Acquisitions, Inc.
- Bernard W. Bell, Jr.
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Digital focus and tracking servo system with multi-zone calibration
- Patent number 7,782,721
- Issue date Aug 24, 2010
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for detecting unauthorized copying of encrypted data
- Patent number 7,729,495
- Issue date Jun 1, 2010
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital servo system with inverse non-linearity compensation
- Patent number 7,680,004
- Issue date Mar 16, 2010
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Small form-factor optical data storage device
- Patent number 7,675,835
- Issue date Mar 9, 2010
- DPHI Acquisitions, Inc.
- Bernard W. Bell, Jr.
- G11 - INFORMATION STORAGE
Information Patent Grant
Revocation method and apparatus for secure content
- Patent number 7,672,903
- Issue date Mar 2, 2010
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Close focus algorithm in a digital focus servo system
- Patent number 7,672,199
- Issue date Mar 2, 2010
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital tracking servo system with off-format detection
- Patent number 7,593,300
- Issue date Sep 22, 2009
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual density disc with associated properties
- Patent number 7,554,898
- Issue date Jun 30, 2009
- DPHI Acquisitions, Inc.
- David L. Blankenbeckler
- G11 - INFORMATION STORAGE
Information Patent Grant
Block-level storage device with content security
- Patent number 7,549,044
- Issue date Jun 16, 2009
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital tracking servo system with multi-track seek with an acceler...
- Patent number 7,522,480
- Issue date Apr 21, 2009
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital servo system with calibrated notch filters
- Patent number 7,492,675
- Issue date Feb 17, 2009
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of a focus error signal gain in a focus servo system
- Patent number 7,414,940
- Issue date Aug 19, 2008
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage media with enhanced contrast
- Patent number 7,368,222
- Issue date May 6, 2008
- DPHI Acquisitions, Inc.
- Brian S. Medower
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt focus mechanism for an optical drive
- Patent number 7,337,452
- Issue date Feb 26, 2008
- DPHI Acquisitions, Inc.
- Robert David Freeman
- G11 - INFORMATION STORAGE
Information Patent Grant
Host certification method and system
- Patent number 7,310,821
- Issue date Dec 18, 2007
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital focus and tracking servo system with one-track jump
- Patent number 7,260,031
- Issue date Aug 21, 2007
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Low profile optical head
- Patent number 7,227,817
- Issue date Jun 5, 2007
- DPHI Acquisitions, Inc.
- Ian Redmond
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration storage methods for a digital focus and tracking servo...
- Patent number 7,196,979
- Issue date Mar 27, 2007
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Content distribution method and apparatus
- Patent number 7,191,153
- Issue date Mar 13, 2007
- DPHI Acquisitions, Inc.
- Michael F. Braitberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for handling commands in an optical disc drive
- Patent number 7,116,621
- Issue date Oct 3, 2006
- DPHI Acquisitions, Inc.
- Christopher J. Turner
- G11 - INFORMATION STORAGE
Information Patent Grant
Secure access method and system
- Patent number 7,110,982
- Issue date Sep 19, 2006
- DPHI Acquisitions, Inc.
- Timothy R. Feldman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for detecting and recovering from an off-format s...
- Patent number 7,095,685
- Issue date Aug 22, 2006
- DPHI Acquisitions, Inc.
- Christopher J. Turner
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking and focus digital servo system with write abort
- Patent number 7,095,683
- Issue date Aug 22, 2006
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of focus error signal offset in a focus servo system
- Patent number 7,092,322
- Issue date Aug 15, 2006
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Servo Processor Receiving Photodetector Signals
- Publication number 20110063958
- Publication date Mar 17, 2011
- DPHI Acquisitions, Inc.
- Ron J. Kadlec
- G11 - INFORMATION STORAGE
Information Patent Application
HARDWARE PROTECTION FOR ENCRYPTED STRINGS AND PROTECTION OF SECURIT...
- Publication number 20100005319
- Publication date Jan 7, 2010
- DPHI Acquisitions, Inc.
- David Pohm
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Block-level storage device with content security
- Publication number 20050091491
- Publication date Apr 28, 2005
- DPHI Acquisitions, Inc.
- Lane W. Lee
- G06 - COMPUTING CALCULATING COUNTING

DPHI Acquisitions, Inc.

Organization

Patents Grantslast 30 patents

Secure access system and method

Use of mother stamper for optical disk molding

First surface removable optical disc within a cartridge

Optical drive servo with a servo processor receiving photodetector...

Optical disk drive with micro-SIL

Optical disk drive with hybrid solid immersion objective lens

Digital focus and tracking servo system with multi-zone calibration

System and method for detecting unauthorized copying of encrypted data

Digital servo system with inverse non-linearity compensation

Small form-factor optical data storage device

Revocation method and apparatus for secure content

Close focus algorithm in a digital focus servo system

Digital tracking servo system with off-format detection

Dual density disc with associated properties

Block-level storage device with content security

Digital tracking servo system with multi-track seek with an acceler...

Digital servo system with calibrated notch filters

Calibration of a focus error signal gain in a focus servo system

Optical data storage media with enhanced contrast

Tilt focus mechanism for an optical drive

Host certification method and system

Digital focus and tracking servo system with one-track jump

Low profile optical head

Calibration storage methods for a digital focus and tracking servo...

Content distribution method and apparatus

System and method for handling commands in an optical disc drive

Secure access method and system

System and method for detecting and recovering from an off-format s...

Tracking and focus digital servo system with write abort

Calibration of focus error signal offset in a focus servo system

Patents Applicationslast 30 patents

Servo Processor Receiving Photodetector Signals

HARDWARE PROTECTION FOR ENCRYPTED STRINGS AND PROTECTION OF SECURIT...

Block-level storage device with content security

Trademarklast 30 trademarks