Sony Corporation, a company involved in business activities involving electronic entertainment sector, has been recently granted a patent for invention titled “SEMICONDUCTOR DEVICE AND PROCESSING METHOD FOR STARTING THE SAME”.
The patent has been issued as granted patent number 305286 filed as application number 3979/DELNP/2006 having scope (abstract) of invention as:
“A flash memory is made to store a same boot program in a plurality of blocks in it. When a flash memory controller receives an access command for accessing the storage region storing the boot program from a CPU (Step S101), it outputs the read out data to the CPU only when the corresponding block is not faulty according to the determination (Steps S105, S106) made on the basis of the ECC contained in the data read out from the corresponding page and the determination (Step S109) made on the basis of the block information also contained in the data read out from the corresponding page. If, on the other hand it is determined that the block is faulty, the flash memory controller reads out the boot program stored in the next block (Steps S106, S103) and determines once again that the block is faulty or not faulty.”
The primary independent claim (claim 1) of this patent states:
“A semiconductor device adapted to start by reading out a boot program from a data-rewritable nonvolatile memory, the boot program being stored in a plurality of blocks in the nonvolatile memory in parallel, the semiconductor device comprising: a CPU adapted to specify a read position for reading out the boot program stored in the nonvolatile memory at the starting time, and execute a starting process according to the read out program; and a read control circuit adapted to determine that a block corresponding to the read position is faulty or not according to data read out from the block, output the data to the CPU if the block is determined as not faulty, and read the data from another block storing the boot program and determine again whether the another block is faulty or not if the block is determined as faulty.”
The patent has been granted under International Patent Classification (IPC) G06F 9/445, which covers inventions related to:
“Programme loading or initiating (certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities, G06F 21/57)”
This patent can be opposed under post-grant patent opposition within 12 months of the date of grant of this patent.
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