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FIRM FERNSEH AG

Overview
  • Total Patents
    26
About

FIRM FERNSEH AG has a total of 26 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic communication technologies are VIDEOCOLOR SA, CHROMATIC TELEVISION LAB and TELEVISION LAB LTD.

Patent filings in countries

World map showing FIRM FERNSEH AGs patent filings in countries
# Country Total Patents
#1 United States 26

Patent filings per year

Chart showing FIRM FERNSEH AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ernst Ruska 11
#2 Erich Schwartz 2
#3 Rolf Moller 2
#4 Werner Flechsig 2
#5 Herbert Bahring 2
#6 Paul Lindner 1
#7 Ulrich Knick 1
#8 Walter Bunger 1
#9 Frithjof Rudert 1
#10 Wolfgang Dillenburger 1

Latest patents

Publication Filing date Title
US2230092A Synchronization system for television
US2250293A Contrast control for television systems
US2238634A Electron multiplier
US2242034A Scanning method for storage tubes
US2155465A Fluorescent screen for cathode ray tubes
US2231146A Electrode support for cathode ray tubes
US2234227A Projection receiver
US2171918A Amplitude filter
US2228402A Picture transmitter
US2172324A Modulation circuit using a multigrid photoelectric cell
US2191590A Television apparatus
US2143581A Cathode ray tube
US2172150A Coupling circuit independent of frequency
US2178772A Two-tube deflecting circuit
US2151530A Braun tube
US2128597A Braun tube
US2208939A Magnetic deflecting system for braun tubes
US2159534A Cathode ray focusing coil
US2171766A Means for fastening electrode systems in braun tubes
US2093817A Method of scanning films