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Home › Companies › Digital Sound

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Digital Sound — 6 Patents

Rank (All Time): #86,844 of 105,732Top 85%

12 inventors

6 Patents All Time

Patents per Year

Top Inventors at Digital Sound All Time

Showing 1–12 of 12 inventors

Rank	Name	Patents
1	Mark Cromack	3
2	R. Anthony Bladon	1
2	Chin-Hui Lee	1
2	David J. Brahm	1
2	David S. Trandal	1
2	David Wong	1
2	James Matthew Underwood	1
2	Jan Vanderford	1
2	Nam Hai PHAM	1
2	Shawn W. Smith	1
2	Vijay Raman	1
2	Xiao-Ling Zhang	1

Most Valuable Patents

Patent	Est. Value	Year
Configurable parameter DTMF detector	$1M	1992
Adaptive echo canceller for voice messaging system	$1M	1995
Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization	$744K	1993
Method and apparatus for reliable access to audio and facsimile message storage and retrieval system	$328K	1998

All 100 most valuable US patents →