Spectral Dynamics, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7546198 Dynamic noise-reduction baselining for real-time spectral analysis of internal combustion engine knockJul 30, 07Jun 09, 09[G01M, G01L, G06F, F02P]
7181339 Real-time spectral analysis of internal combustion engine knockFeb 27, 06Feb 20, 07[G01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4937535 Calibration method and programmable phase-gain amplifierExpiredDec 29, 88Jun 26, 90[H03F]
4782324 Digital signal synthesizerExpiredMay 06, 87Nov 01, 88[H03M]

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