Patexia. Contest

CONTEST

Competed

Problem

Patexiaseeks prior art for US Patent 6,643,713 (US ‘713) which allegedly describes a data processing system in which a DSP (digital signal processor) and a CPU (central processor unit) share the same instruction decoder and are integrated together as a single bus master.

This data processing system includes,

  • a DSP
  • a CPU (including an instruction decoder)
  • a memory
  • a single bus master

With respect to the three components mentioned above,

  • the DSP and the CPU are integrated together as a single bus master
  • the DSP and the CPU share the same instruction decoder
  • the DSP can execute a non-recursive filter operation
  • the memory stores a processing program of the CPU and the DSP
  • the memory is arranged in the address space of the CPU

Figure. The configuration of a DSP/CPU integrated chip

Bonus Points

  • +5 for references that are non-patent literature
  • +5 for references published in a foreign language other than English

Learn more about bonus points at our Blog.

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Questions

#QuestionValue
1Was the reference filed or published before Oct 5th, 1995? T/F
2Does the reference describe a system which include an integer operation digital signal processor (DSP) with a fully pipelined non-recursive filter and a central processor unit (CPU) distinct from the DSP? 5
3Does the system include a common memory which stores a processing program of the CPU and the DSP, and is arranged in the address space of the CPU? 25
4Does the reference confirm that the DSP and the CPU are integrated together as a single bus master? 40
5Does the instruction decoder of the CPU decode instructions for both the DSP and the CPU? 30

Additional Notes

Prior Art Search

This is a Prior Art Search contest aimed at determining if a patent idea was known and publicly available before a patent was filed.

This contest will close on Sunday, September 14th, 2014 at 11:59 PM PST.

Please review the Contest Rules. For more information on how to submit to this Contest type, please read the Intro to Prior Art Search page.

Please review the full list of known references.