BACKGROUND This invention relates to electronic devices and, more par ticularly, to
antennas for electronic devices. Electronic devices often use wireless communications cir …

Head-mounted augmented reality (AR) devices can track pose of a wearer's head to provide
a three-dimensional virtual representation of objects in the wearer's environ ment. An …

2020-05-21 Assigned to CITIBANK, NA, AS COLLATERAL AGENT reassignment CITIBANK,
NA, AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS) …

In one aspect, the present invention provides an imager, pref erably portable, that includes a
source of electromagnetic radiation capable of generating radiation with one or more …

A high-Q human-portable, battery-powered self-correcting tunable resonator in a transmitter
apparatus for inducing alternating currents of high quality in buried conductors to facilitate …

A high-frequency data and/or power transmission system suitable for downhole use
including signal/power couplers, transmission line segments and signal repeaters. Signals …

An apparatus for electromagnetic (EM) tracking or localization is described which includes
one or more EM transmitters and receivers (sensors, or trackers), an indication of relative …

US9488747B2 - Gradient antenna coils and arrays for use in locating systems - Google
Patents US9488747B2 - Gradient antenna coils and arrays for use in locating systems …

Buried utility transmitters and associated locator devices, systems, and methods used for
locating utility lines, pipes, and/or other conductors that are obscured from view are …

A high-Q human-portable, battery-powered self-correcting tunable resonator in a transmitter
apparatus for inducing alternating currents of high quality in buried conductors to facilitate …