Copy protection method and system for programmable gate array
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United States of America Patent
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Nov 3, 2009
Grant Date -
Jan 26, 2006
app pub date -
Jul 22, 2005
filing date -
Jul 23, 2004
priority date (Note) -
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Abstract
The present invention relates to a programmable-gate-array copy protection method and a system which prevent unauthorized copying of an FPGA program. A copy protection method for a field-programmable gate array, the method comprising a step of causing a user-specific gate array to boot a user circuit data to the field-programmable gate array, the user-specific gate array being connected to the field-programmable gate array and a memory device in which the user circuit data is stored and being pre-programmed at a semiconductor-vender's factory.
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