ETTER WALTER has a total of 12 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, Switzerland and Germany. Its main competitors in its focus markets audio-visual technology, telecommunications and computer technology are DTS LLC, PARK SEUNG MIN and DOLBY LABORATORIES LICENSING CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Switzerland | 3 | |
#3 | Germany | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Telecommunications | |
#3 | Computer technology | |
#4 | Civil engineering | |
#5 | Basic communication technologies | |
#6 | Mechanical elements | |
#7 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Telephonic communication | |
#3 | Speech analysis | |
#4 | Stereophonic systems | |
#5 | Loudspeakers and microphones | |
#6 | Domestic plumbing installations | |
#7 | Gearing | |
#8 | Amplification control | |
#9 | Domestic washing |
# | Name | Total Patents |
---|---|---|
#1 | Etter Walter | 9 |
#2 | Walter Etter | 3 |
Publication | Filing date | Title |
---|---|---|
US2014112483A1 | Distance-based automatic gain control and proximity-effect compensation | |
US2013044873A1 | Clock skew compensation for acoustic echo cancellers using inaudible tones | |
US2011316967A1 | Facilitating communications using a portable communication device and directed sound output | |
US2011153313A1 | Method and apparatus for the detection of impulsive noise in transmitted speech signals for use in speech quality assessment | |
US2010328419A1 | Method and apparatus for improved matching of auditory space to visual space in video viewing applications | |
US2010328423A1 | Method and apparatus for improved matching of auditory space to visual space in video teleconferencing applications using window-based displays | |
US8559619B2 | Methods and devices for reducing sidetone noise levels |