The assignee for this patent, patent number 8526290, is
Reporters obtained the following quote from the background information supplied by the inventors: "The present application is related with data compression/decompression method, data decompression method and optical disc drive utilizing the methods.
"In an optical disc drive, a storage unit such as a non-volatile memory may be provided to store instruction code and/or data that would be executed or read to start or facilitate operation of the optical disc drive. As shown in FIG. 1, instruction code and/or data could be stored to a storage unit 103, and then the instruction code and/or data is read and processed by the micro processor unit 105. However, the storage unit may be a high cost device and the manufacturing cost of the optical disc drive increases accordingly. Therefore, it is improper to directly store whole instruction code and/or data to the storage unit 103 without compressing the instruction code and/or data, since a large amount of storage space will be needed by this way."
In addition to obtaining background information on this patent, VerticalNews editors also obtained the inventor's summary information for this patent: "One embodiment of the present application discloses a data compression/decompression method for operation of an optical disc drive. The method comprises: obtaining data; and compressing at least one part of the data to generate compressed data, when the part of the data meets a predefined rule.
"Another embodiment of the present application discloses a data decompression method for operation of an optical disc drive. The method comprises: obtaining compressed data; and decompressing at least one part of the compressed data to generate de-compressed data, when the part of the compressed data meets a predefined rule.
"Another embodiment of the present application discloses an optical disc drive. The optical disc drive comprises: a first storage unit, for storing compressed data; and a de-compressing means, for decompressing at least one part of the compressed data to generate de-compressed data, when the part of the compressed data meets a first predefined rule.
"According to above-mentioned embodiments, the data can be compressed according to different requirements, thus the problem disclosed in related art can be avoided.
"These and other objectives of the present invention will no doubt become obvious to those of ordinary skill in the art after reading the following detailed description of the preferred embodiment that is illustrated in the various figures and drawings."
For more information, see this patent: Lee, Chin-Sung. Data Compression/Decompression Method, Data Decompression Method, and Optical Disc Drive Utilizing the Method. U.S. Patent Number 8526290, filed
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