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Joachim Speidel

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #1,670,524 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4843582 Digital filter in which linear combinations of powers of two are converted to binary numbers using wallace trees Berthold Heck 1989-06-27
4825285 Hybrid encoder Peter Vogel 1989-04-25
4539690 Automatic and adaptive digital nonlinear decision feedback equalizer 1985-09-03