Roger J Culhane, Age ~7217995 Roberds Lake Blvd, Faribault, MN 55021

Roger Culhane Phones & Addresses

17995 Roberds Lake Blvd, Faribault, MN 55021

Peck, ID

Apple Valley, MN

Morristown, MN

Northfield, MN

Elk River, MN

Mentions for Roger J Culhane

Business Records

Name / TitleCompany / ClassificationPhones & Addresses
Roger Culhane
Principal
Culhane Enterprises LLC 2385 Periwinkle Ave N, Stillwater, MN 55082
Roger Culhane
Chief Executive Officer
Roger Culhane Marketing 15050 Cedar Ave, Saint Paul, MN 55124

Publications

Us Patents

Secure Drive System Enabled By Matching Media Code

US Patent:
2006026, Nov 30, 2006
Filed:
May 23, 2006
Appl. No.:
11/440323
Inventors:
Jathan Edwards - Afton MN,
Roger Culhane - Stillwater MN,
International Classification:
H03M 7/00
US Classification:
341050000
Abstract:
The invention is directed to coded optical media that allows a proprietary media handling system to enable particular drive features on an optical drive system. In particular, a coded optical medium comprises an otherwise standardized format optical medium that includes a particular set of preformatted manufacturer identification (MID) code values that can be read by the proprietary media handling system and compared with a set of internally preset code values. On the condition that the particular set of preformatted MID code values match the internally preset code values, the proprietary media handling system allows access to data stored on medium or, alternatively, enables special features. In this manner, the prerequisite code value match between the coded optical media and media handling system prevent non-certified media use in the optical drive system or, alternatively, enable specialized features only with optical media having accepted coding.

Recordable Optical Data Storage Disc

US Patent:
2008022, Sep 18, 2008
Filed:
Mar 15, 2007
Appl. No.:
11/725131
Inventors:
Richard R. Ollmann - Woodbury MN,
Stanley C. Busman - North St. Paul MN,
Roger C. Culhane - Stillwater MN,
Mark R. Drutowski - St. Paul MN,
Terry L. Morkved - White Bear Lake MN,
Daniel P. Stubbs - Marine on St. Croix MN,
International Classification:
G11B 7/24
US Classification:
720709
Abstract:
A recordable data storage disc comprises a substrate having a spirally or concentrically shaped groove pattern. A groove depth of the groove pattern is greater than 90 nanometers, and a track pitch provided by the groove pattern is less than 500 nanometers. The data storage disc further comprises a write-once recording layer formed on the groove pattern, and a reflector layer formed on the recording layer opposite the substrate. The groove depth of greater than 90 nanometers allows a thicker coating of dye to be used for the recording layer compared to other recordable data storage discs with a groove pattern with a groove depth of 90 nanometers or less. The thicker coating of dye allows a lower write power, better modulation when reading a data signal from the disc. The groove depth of greater than 90 nanometers may also allow for more precise push-pull tracking.

Content Protection For Digital Media

US Patent:
2003001, Jan 23, 2003
Filed:
Jul 17, 2001
Appl. No.:
09/907230
Inventors:
Trung Le - White Bear Township MN,
Roger Culhane - Stillwater MN,
Assignee:
Imation Corp.
International Classification:
G06F011/30
G06F012/14
US Classification:
713/190000
Abstract:
In general, the invention allows for content protection of digital data by intentionally introducing errors introduced within error correction information during the production or generation of an original digital medium, or any authorized copy thereof The errors may be introduced within error correction information corresponding to the stored content, such as a software application, audio or video file, or within a stored “access key” used to access the content. The errors may be introduced, for example, at the time of manufacturing of the medium or when making an authorized copy of digital data. When authenticating digital media, the erroneous error correction information is disregarded and corresponding “raw” uncorrected data is used for authentication purposes.

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