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BEYER EUGEN

Overview
  • Total Patents
    48
About

BEYER EUGEN has a total of 48 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets audio-visual technology, telecommunications and electrical machinery and energy are ACOUSTIX VR INC, MITACHI ONKYO SEISAKUSHO and HAYES ALBERT.

Patent filings in countries

World map showing BEYER EUGENs patent filings in countries
# Country Total Patents
#1 Germany 34
#2 United Kingdom 4
#3 France 3
#4 Switzerland 2
#5 United States 2
#6 Austria 1
#7 Canada 1
#8 Denmark 1

Patent filings per year

Chart showing BEYER EUGENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Beyer Eugen 16
#2 Doege Ernst 3
#3 Bessling Bert 3
#4 Laws Peter 2
#5 Braun Otto 2
#6 Konzelmann Kurt 2
#7 Hopfensitz Rainer Dipl Ing 2
#8 Hausdorf Friedemann Dipl-Ing 2
#9 Wischgoll Klaus 2
#10 Eugen Beyer 2

Latest patents

Publication Filing date Title
DE3727392C1 Device for symmetrical addition of signal sources
DE3624764A1 Method and device for the frequency shifting of AF signals
DE3624763A1 Low-noise single-stage transistor preamplifier
DE3621679A1 Method and device for selecting the channel suitable for reception in wireless microphone systems
DE3415088C1 Capacitor microphone
DE3308824A1 Method for amplitude limitation, and a controlled limiter circuit
DE3212519C1 Headphones
DE2821663A1 Headphones with cable connection on one side - have springy strap consisting of two parts joined together, with recess for connecting cable
US3962543A Method and arrangement for controlling acoustical output of earphones in response to rotation of listener's head
US3920904A Method and apparatus for imparting to headphones the sound-reproducing characteristics of loudspeakers
FR1318513A Microphone
GB913686A Improvements relating to horn loud speakers
GB751312A Improvements relating to magnetic recording and reproducing machines
GB522966A Electro-acoustic announcing device for transportation means
GB306839A Improvements in loud speakers
CA664134A Magnetic recording and reproducing equipment