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KEHLER WALDEMAR

Overview
  • Total Patents
    16
About

KEHLER WALDEMAR has a total of 16 patent applications. Its first patent ever was published in 1980. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and Germany. Its main competitors in its focus markets audio-visual technology, telecommunications and basic communication technologies are ITO TOMOHIRO, FEIN MASCHB GES M B H and SUZUKI NOBUKAZU.

Patent filings per year

Chart showing KEHLER WALDEMARs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kehler Waldemar 10
#2 Kehler Waldemar Dipl-Ing 5
#3 Kehler Waldemar Dipl Ing 1

Latest patents

Publication Filing date Title
BR9307798A Process and device for reproducing acoustic wave energy Process and device for reproducing acoustic wave energy with relevant frequency bands for location Device for stereo acoustic reproduction Arrangement of process devices for recording acoustic wave energy Process and device for stereophonic recording of acoustic wave energy device for stereo recording device or arrangement
DE4244397A1 Method and device for stereophonic reproduction and recording
EP0432222A1 Hierarchically range adaptive coding method for signals, especially suitable for picture analysis and codings
EP0318718A1 Generalised code modulation method with domain prediction for a multiplicity of signals
EP0244660A2 Relevance and non-relevance analytical code modulation method with domain prediction for the determination, prediction and transmission of (ir)relevant (picture) signal areas by the evaluation of local differences
EP0091979A1 Range-predictive code modulation method with signal-adaptive bit-rate reduction
WO8303727A1 Modulation and coding method, with range prediction and reduced bit rate adapted to a signal
DE3020061A1 Optimised quantisation system for PCM signals - uses signed quantisation of actual values from range giving reduced redundancy