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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Weirauch; Charles R.
Address:
Loveland, CO
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
8144555 System and method for embedding optical drive compatibility information in optical media March 27, 2012
Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may suffer damage if certain actions are performed on the optical medium. For instance, a compa
7996606 System and method for writing data and a time value to an addressable unit of a removable storag August 9, 2011
A system (and associated method) comprises a storage drive and a central processing unit ("CPU"). The storage drive is adapted to accommodate a removable storage medium. The CPU is configured to cause the CPU to write data and a time value to each of a plurality of addressable units of t
7911906 Data structure for control information on rewriteable data storage medium March 22, 2011
A data storage medium includes a data structure, called a disk control block, used for administration and control information for the data storage medium. One medium may contain multiple different disk control blocks, each addressing a different function. Each disk control block incl
7885172 System and method for embedding optical drive compatibility information in optical media February 8, 2011
Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may suffer damage if certain actions are performed on the optical medium. For instance, a compa
7877543 System and method for writing data and a time value to an addressable unit of a removable storag January 25, 2011
A system (and associated method) comprises a storage drive and a central processing unit ("CPU"). The storage drive is adapted to accommodate a removable storage medium. The CPU is configured to cause the CPU to write data and a time value to each of a plurality of addressable units of t
7852724 System and method for optical media information storage life tracking December 14, 2010
Expiration information stored on an optical medium is applied to determine an expiration date of the optical medium that provides a predetermined reliability of information archived on the optical medium, such as a predetermined acceptable defect level of the information at the expir
7804752 Focal offset recording system and method September 28, 2010
The present invention is embodied in a recording device and media for storing computer readable data on a removable storage medium that includes using a first wavelength to write data to the removable storage medium and creating marks while writing the data that have predetermined wi
7800988 Optical recording using secondary tracking method September 21, 2010
The present invention is embodied in a method for storing computer readable data on a removable storage medium, including using a first wavelength to write data to the removable storage medium, using a second wavelength to maintain radial tracking on the removable storage medium, whe
7746746 Optical media with control data in wobble June 29, 2010
An optical medium has auxiliary information and control data encoded in wobble. The control data specifies action that a drive is permitted or required to take with the auxiliary information. For example, the control data may be used to specify whether a drive reading the medium is p
7657943 Data structure for control information on rewriteable data storage media February 2, 2010
A data storage medium includes a data structure, called a disk control block, used for administration and control information for the data storage medium. One medium may contain multiple different disk control blocks, each addressing a different function. Each disk control block incl
7657487 Apparatus and method for providing data storage device security February 2, 2010
A data storage device includes a data storage mechanism within which is stored a computing program. The data storage device also includes a surface used for labeling. The labeling includes machine readable security information. The data program requires machine reading of the securit
7639272 Device and method for optical scanning December 29, 2009
An optical scanning device and method are provided for marking an optically sensitive layer. The device can include an optical source capable of emitting a beam. At least one pivot can be configured to enable the beam to travel through a beam output arc. In addition, a mirror surface
7636440 Digital watermark with variable location December 22, 2009
A digital watermark in a data file occurs at multiple locations within the file. The location of each digital watermark, other than a first digital watermark, is specified by a previous digital watermark, or by other auxiliary information in a same logical block as a previous digital
7606127 System and method for embedding optical drive compatibility information in optical media October 20, 2009
Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may suffer damage if certain actions are performed on the optical medium. For instance, a compa
7391694 System and method for embedding optical drive compatibility information in optical media June 24, 2008
Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may suffer damage if certain actions are performed on the optical medium. For instance, a compa
7352670 System and method for optical media information storage life tracking April 1, 2008
Expiration information stored on an optical medium is applied to determine an expiration date of the optical medium that provides a predetermined reliability of information archived on the optical medium, such as a predetermined acceptable defect level of the information at the expir
7346915 Compact and portable optical disc drive March 18, 2008
Various embodiments of the present invention are directed to a compact, portable, external optical disc drives. In one embodiment of the present invention, an optical disc drive is comprised of one or more substrates having a width smaller than the diameter of an optical disc and that
7283455 Data media having variable control field in data units October 16, 2007
Data units on a data storage medium include a control field. In one example embodiment, a control block specifies the control action determined by the state of one or more bits in the control field. By using a control block to specify the action of one or more bits in the control fie
7187637 Opto-mechanical adjustment based on sensing label side of optical disc March 6, 2007
Opto-mechanical adjustment based on sensing the label side of an optical disc is disclosed. The label side of the optical disc is first sensed with an opto-mechanical system. The opto-mechanical system is then adjusted, based on the label side of the optical disc as sensed, for futur
7145586 Marking optical disc based on information related to data side thereof December 5, 2006
Marking an optical disc based on information related to the data side thereof is disclosed. Information related to the data side of the optical disc is first determined. A marking based on the data side of the optical disc as has been read is then written with a laser to a label area on
7042372 Encoding information in codes identifying beginning of regions of data May 9, 2006
Digital data is embedded in codes used to identify beginnings of regions of modulated data bit streams. Data may be designated by a choice of one code from a plurality of alternative codes, or data may be designated by a variable field within a code.
6956799 Phase discontinuity compensation in a bit-accurate optical drive October 18, 2005
A bit-accurate optical drive determines an address of a data block stored on a disc (the address being determined from a wobble that is embossed in the disc), and synthesizes header information for the block. When the block is read from the disc, recovered (actual) header information is
6845072 DVD defect management scheme that is transparent to DVD video players January 18, 2005
An optical disc has a user data area that is a single contiguous zone, so that video and audio data can be continuous, and has replacement areas for computer data that are outside the user data areas. Placing the replacement areas outside the user-data area enables a video player to
6765937 Apparatus and method for analysis and control of timing of a train of high speed, high power las July 20, 2004
An apparatus and method for flexibly and precisely varying temporal placement and duration of pulses, within a train of high speed, high power optical pulses. The invention includes optics adapted for focusing on a layer of an information storage media. An optical pulse generator is
6625732 Method for tracking the devices used to load, read, and write removable storage media September 23, 2003
A method of identifying previous drives that have accessed a data storage medium. Preferably, compatible drives have an electronically readable identifier, that includes, for example, a unique manufacturer code, drive model number, and drive serial number. Alternatively, a drive iden
6330210 Data structure for control information on rewriteable data storage media December 11, 2001
A data storage medium includes a data structure, called a disk control block, used for administration and control information for the data storage medium. One medium may contain multiple different disk control blocks, each addressing a different function. Each disk control block incl
6252843 Automatic clamping of compact discs June 26, 2001
The present invention relates to a method and apparatus for automatically clamping a compact optical disc, or the like. The invention comprises a first contact surface and a second contact surface. Loading a disc into a disc player brings the contact surfaces into contact, which actuates










 
 
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