Method and apparatus to protect computer software
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 22, 1998
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Dec 18, 1995
priority date (Note) -
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Abstract
An apparatus for protecting a software in a program-controlled object such as a video game having a main part with a controlling means and a peripheral equipment; and a replaceable part with a software comprising an execution program. The apparatus comprises a data generator located on the replaceable part for producing a specific data; a selection means located on the replaceable part and controlled from the main part, for selecting a mode of generation of the specific data; and an interface circuit for connecting the data generator and the selection means to the main part. A method for protection a software running a video game or other program-controlled object resides in providing an inspection program with a predetermined data in the software, initializing generating a specific data, reading the specific data and cooperating the specific data with the predetermined data. The positive result of the cooperation that can be a comparison, a calculation, a decoding, etc. is used to verify the existence of an authorized hardware and give an authorization for performing the execution program running the object.
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