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TELEVISION CIE FRANC DE

Overview
  • Total Patents
    12
About

TELEVISION CIE FRANC DE has a total of 12 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, Sweden and Norway. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and basic communication technologies are ELECTRIC AND MUSICAL IND, OTTO VON BRONK and CO FRANCAISE DE TELEVISION.

Patent filings in countries

World map showing TELEVISION CIE FRANC DEs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Sweden 4
#3 Norway 1

Patent filings per year

Chart showing TELEVISION CIE FRANC DEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Melchior Gerard 4
#2 Cahen R 3
#3 De France H 3
#4 Besse Jean 1
#5 Cassagne P 1
#6 Fessard Roland 1
#7 Driffort J 1
#8 Cassagne Pierre 1
#9 Finet Jean 1
#10 Driffort Jean Pierre 1

Latest patents

Publication Filing date Title
US3475639A Tricolor cathode ray tube having porous graphite layer on aluminum screen coating
US3518362A Demodulating circuit for waves frequency modulated by signals of the video type
US3439211A Periodic demagnetization of color cathode ray tube aboard moving vehicle
US3526705A Subcarrier circuits for colour television apparatus
US3471635A Sequential-simultaneous colour television system using a frequency modulated subcarrier
US3489851A Variable bandwidth video signal translating circuit