Learn more

VOCAL TECHNOLOGIES LTD

Overview
  • Total Patents
    12
About

VOCAL TECHNOLOGIES LTD has a total of 12 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets digital networks, basic communication technologies and telecommunications are GAO MINGLI, PERIBIT NETWORKS INC and CHALLA RAGHU N.

Patent filings in countries

World map showing VOCAL TECHNOLOGIES LTDs patent filings in countries
# Country Total Patents
#1 United States 10
#2 EPO (European Patent Office) 1
#3 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing VOCAL TECHNOLOGIES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Demjanenko Victor 9
#2 Hirzel Frederic J 9
#3 Torres Juan Alberto 3
#4 Hirzel Frederic 2
#5 Demjancuko Victor 1
#6 Balisteri William M 1

Latest patents

Publication Filing date Title
US2003152158A1 Method of asymmetrical forward error correction in a communication system. application to wireless local area networks (WLAN) using turbo codes and low density parity check codes
WO0007323A1 Forward error correcting system with encoders configured in parallel and/or series
US6633604B1 Method of improving echo canceller training in modems and of discovering characteristics of a PCM channel
US6301683B1 Trellis encoding technique for PCM modems
US6643270B1 Method of compensating for systemic impairments in a telecommunications network
US6222890B1 Variable spectral shaping method for PCM modems
US6480549B1 Method for determining attenuation in a digital PCM channel
US6067034A Maximal bit packing method
US6327301B1 Detection and adaptation to digital network impairments by PCM modems
US5086454A Direct connect modem deriving power from telephone line