07599844 is referenced by 95 patents and cites 709 patents.

Embodiments of the disclosed innovations provide systems and methods for automatically locating and retrieving digital supplemental materials and counterparts of rendered documents. These systems and methods are especially useful when the provider or copyright holder of the digital document charges a fee for access to the digital materials. Some embodiments solve the technical problem of allowing a user to access restricted digital content associated with a rendered document via a search string captured from the rendered document. Some embodiments further provide automatic intermediation to gain access to protected digital materials.

Title
Content access with handheld document data capture devices
Application Number
11/98038
Publication Number
7599844 (B2)
Application Date
April 1, 2005
Publication Date
October 6, 2009
Inventor
James Q Stafford Fraser
Cambridge
GB
Clifford A Kushler
Lynnwood
WA, US
Dale L Grover
Ann Arbor
MI, US
Martin T King
Vashon Island
WA, US
Agent
Michael J Smith
Assignee
Exbiblio
NL
IPC
G06Q 99/00
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