Compressed codeset database format for remote control devices

Details Compressed codeset database format for remote control devices Compressed codeset database format for remote control devices

2010-12-21

2011-12-20

Edwards, Jr., Timothy (Department: 2612)

Coded data generation or conversion

Code generator or transmitter

C341S176000, C340S870030, C340S870030, C340S870030, C340S870030, C348S734000, C712S233000, C711S155000

Reexamination Certificate

active

08081102

ABSTRACT:
A database of codesets for a remote control device includes codeset information blocks for derivative codesets and codeset information blocks for nonderivative codesets. A codeset information block for a derivative codeset includes: a bit indicating that the block is for a derivative codeset, a plurality of bits each of which corresponds to a respective one of a plurality of fields in a referenced codeset information block, and a pointer that points to the referenced codeset information block. The digital value of a bit determines whether information from the corresponding field in the referenced block will be used as part of the derivative codeset or whether such information is contained in the derivative codeset information block itself. The sizes of the fields in the referenced block are predetermined or are determinable, so a field in the referenced block can be located if its bit is set in the referencing block.

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