You can start here...

http://www.usenix.org/publications/library/proceedings/smartcard99/full_papers/kommerling/kommerling_html/index.html

...For e.Digital they do not have to start at this level...unless there is similar detail of component arrangements noted of the PCB or an SOC.

...A company does not have to have the MOS for there to be infringement...IMO the only thing needed to signal a possible infringement would be similar use of cache and logical management of data....

...The use of a tiny cache that would match the read/write block of the flash...that is not used as typical RAM or main memory for virtual use.

They would then have to make discovery of the way data is managed on a device....e.Digital logically manages the data..where others virtually manage data. From there make discovery if work space within the flash is utilized....from there...etc...up the list of the patent claims.

``A VSI Alliance™ White Paper1 notes that at the 1998 annual RSA conference it was estimated that the cost

of IP piracy approaches $1 billion per day. In 2001 there were approximately 100 reverse engineering shops

in the US with approximately 70 percent being funded by governments. Many of the techniques developed

are leaked and published to the industry. The American Society of Industrial Secrets estimates that in the

United States alone, trade secret thefts are in excess of $2 billion per month.``