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OPTA SPEZIAL GMBH

Overview
  • Total Patents
    14
About

OPTA SPEZIAL GMBH has a total of 14 patent applications. Its first patent ever was published in 1952. It filed its patents most often in Germany. Its main competitors in its focus markets audio-visual technology, basic communication technologies and electrical machinery and energy are ZAKLADY TELEWIZYJNE UNITRA POL, TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT M B H and ELECTROHOME LTD.

Patent filings in countries

World map showing OPTA SPEZIAL GMBHs patent filings in countries
# Country Total Patents
#1 Germany 14

Patent filings per year

Chart showing OPTA SPEZIAL GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pauls Dr Wilhelm 4
#2 Can Claude Le 3
#3 Hempel Richard 3
#4 Pepping Alois 3
#5 Lehmann Heinz-Guenther 1
#6 Lehmann Heinz-Guenter 1
#7 Scharf Walter 1

Latest patents

Publication Filing date Title
DE1221284B Circuit arrangement for decoding a multiplex signal transmitted according to a pilot tone stereo FM method
DE1209621B Mains connection device with automatic overload protection
DE1220914B Mounting of scale plates or disks for communications equipment, in particular radio and television receivers
DE1254209B Combined balance and volume control
DE1083867B Level equalization control for stereo sound reproduction devices
DE1039096B Synchronization arrangement for television receivers
DE959201C Drive device for display means in high-frequency receiving devices, especially for tone color display in radio devices
DE1101496B Television receiver for the optional reception of television broadcasts with frequency-modulated or amplitude-modulated sound carriers
DE950129C Arrangement for regulating the frequency of deflection voltages
DE1018097B Television receiver with compensation for phase disturbances occurring in the rhythm of the frame rate
DE1023076B Television receiver with a common intermediate frequency amplifier for video and audio signals for receiving television broadcasts with a frequency-modulated audio carrier
DE957046C Drive part with potentiometer for setting the tuning of radio or similar high-frequency receivers