US patent class 704: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression

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Prior art for a mobile speech access US20120253817

US20120253817 Mobile speech attendant access, filed Apr 4, 2011 Claim 1 has to do with a mobile device using speech recognition on a remote server to place a phone call and is well known. Claim 2 has ...
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Is patent US6513002 valid? Is there prior art in computer textbooks published prior to 1990?

About Patent US6513002: Rule-based number formatter It seems to me that many computer textbooks published before 1990 have include exercises about how to write a simple number translation program. I ...
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Prior art for an apparatus for sound direction finding

I'm looking for prior art for US patent application 2011/0054890 filed 2009/08/25. That would be a mobile phone (or portable device) that is capable of detecting the direction and type of sounds with ...
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Does this analyzer server meet the “full, clear, concise” terms of 35 USC 112?

Could you explain me how the 35 USC 112 rule is satisfied by the patent US5946647: The specification shall contain a written description of the invention, and of the manner and process of ...