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Electronic Filters Inventions & Patents

Specific Filters Invention Inventor Year Patent No. Bessel Filter       Butterworth Filter S. (Stephen?) Butterworth 1930   Chebyshev Type I Filter       Chebyshev Type II Filter       Comb Filter       Delay Filter       Elliptic Filter (Cauer Filter) Wilhelm Cauer 1934 US1,989,545 Gaussian Filter       Hourglass Filter Byron Bennett 1988   Kalman Filter Peter Swerling Rudolf E. Kalman Stanley Schmidt 1958 1960   Legendre Filter       Matched Filter       Optimum "L" Filter Athanasios Papoulis 1958   Raised-Cosine Filter       Wiener Filter Norbert Wiener 1940s   General Filter Types Invention Inventor Year Patent No. Electronic Filter       Active Filter       Analog Filter       Analog Sampled Filter       Band-Pass Filter       Band-Stop Filter       Digital Filter       High-Pass Filter       Linear Filter       Low-Pass Filter       Non-linear Filter       Passive Filter

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