Hans-Jurgen Butterweck

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Akert, NL

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Patents Grantslast 30 patents

Information Patent Grant
Recursive digital filter
- Patent number 4,569,030
- Issue date Feb 4, 1986
- U.S. Philips Corporation
- Hans-Jurgen Butterweck
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital signal processing arrangement including a wave digital filter
- Patent number 4,095,276
- Issue date Jun 13, 1978
- U.S. Philips Corporation
- Gerard Verkroost
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital signal processing device with quantizer
- Patent number 4,034,196
- Issue date Jul 5, 1977
- U.S. Philips Corporation
- Hans-Jurgen Butterweck
- G06 - COMPUTING CALCULATING COUNTING