using amplitude comparison of signals transmitted from transducers or transducer systems having differently-oriented characteristics

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic positioning transmitter and receiver system and method
- Patent number 11,875,089
- Issue date Jan 16, 2024
- Sonitor Technologies AS
- Wilfred Edwin Booij
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmitter and position information management system
- Patent number 9,955,259
- Issue date Apr 24, 2018
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for accurate positioning of control devices for i...
- Patent number 9,885,794
- Issue date Feb 6, 2018
- Kongsberg Seatex AS
- Ola Erik Fjellstad
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for determining UE mobility status
- Patent number 8,804,671
- Issue date Aug 12, 2014
- Telefonaktiebolaget LM Ericsson (publ)
- Jiandong Zhuang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3723957
- Patent number 3,723,957
- Issue date Mar 27, 1973
- G01 - MEASURING TESTING
Information Patent Grant
3424269
- Patent number 3,424,269
- Issue date Jan 28, 1969
- G10 - MUSICAL INSTRUMENTS ACOUSTICS