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Results tagged with pre-grant
Search options not deleted
user 4301
Related to procedures between the patent holder and the patent offices, opposing a patent before grant and similar questions. (The only way to do that is a Third Party Observation (TPO), so please include that tag if your question is about opposing a patent application.)
4
votes
SELF-CALIBRATING SPEAKER SYSTEMS Patent Application - PRIOR ART REQUEST
Published in 2001:
"A multi-channel surround sound system and method is described that allows automatic and independent calibration and adjustment of the frequency, amplitude and time response of eac …
prior-art-request
1
vote
DETERMINING DISTANCE IN MULTI-SPEAKER AUDIO SYSTEMS Patent Application - PRIOR ART REQUEST
Possible prior art:
- http://www.google.com/patents/US5386478
- http://www.google.com/patents/US4458362
- http://www.google.com/patents/US4739513
- http://www.google.com/patents/US6111957