An electromagnetic sensor for use in an apparatus for measuring electromagnetic properties of a fluid and/or a solid, the sensor comprising a substrate in the form of a plate, a plurality of first sensor elements on the substrate, the first sensor elements forming a first array of the first sensor elements on the substrate, a plurality of second sensor elements on the substrate, the second sensor elements forming a second array on the substrate, wherein the first and second arrays are regular arrays and are mutually aligned geometrically, a plurality of electrical connectors on the substrate, and a plurality of electrical terminals on the substrate, the electrical connectors electrically connecting the first and second sensor elements to electrical terminals, wherein the first sensor elements each comprise a first type of sensor selected from an inductive sensor, a capacitive sensor and a magnetic sensor and the second sensor elements each comprise a second type of sensor selected from an inductive sensor, a capacitive sensor and a magnetic sensor, wherein the first type of sensor and the second type of sensor are different.

A security light having optional connection to multiple power supplies. The lighting controller can sense the appropriate connected supply and automatically connect to three different power supplies which include house voltage connection through a typical junction box, a remote solar charging station, and on-board batteries that can be used as a third backup power supply. Additional implementations include power outage detection and backup illumination along with low voltage power supply from a mounting structure.

A security light having optional connection to multiple power supplies. The lighting controller can sense the appropriate connected supply and automatically connect to three different power supplies which include house voltage connection through a typical junction box, a remote solar charging station, and on-board batteries that can be used as a third backup power supply. Additional implementations include power outage detection and backup illumination along with low voltage power supply from a mounting structure.

A GPU-based human body microwave echo simulation method includes: transmitting emulation input parameters from the memory of a CPU host into the display memory of a GPU device; configuring, at the CPU host, parallel computing network parameters to be run at the GPU device; initiating a kernel function for human body microwave echo simulation preset in the CPU host; computing the kernel function in parallel, in a plurality of processing kernels of the GPU device, in a multi-threaded manner, according to the parallel computing network parameters, to obtain simulation echoes of human body microwaves; transmitting the obtained simulation echoes of human body microwaves from the GPU device back to the CPU host. The method makes full use of the characteristic that a GPU can perform parallel computing to accelerate the echo simulation process, greatly improving the real-time performance of echo simulation of a human body microwave scanning and imaging system.

A system and techniques for detecting near-subsurface voids in the earth use a controlled source electromagnetic transmitter and a plurality of controlled source electromagnetic receivers. Signals received by the plurality of controlled source electromagnetic receivers corresponding to signals generated by the controlled source electromagnetic transmitter are analyzed. Bi-static doublets detected in the received signals are used to identify the location of the near-subsurface voids.

A system and techniques for detecting near-subsurface voids in the earth use a controlled source electromagnetic transmitter and a plurality of controlled source electromagnetic receivers. Signals received by the plurality of controlled source electromagnetic receivers corresponding to signals generated by the controlled source electromagnetic transmitter are analyzed. Bi-static doublets detected in the received signals are used to identify the location of the near-subsurface voids.

An embedded-object scanner device includes a sensing device housed in a housing and configured to sense one or more embedded objects embedded in a target material, and a display device provided on the housing. The display device is configured to collectively display multiple sets of display data generated in multiple sensing operations performed by the sensing device.

An embedded-object scanner device includes a sensing device housed in a housing and configured to sense one or more embedded objects embedded in a target material, and a display device provided on the housing. The display device is configured to collectively display multiple sets of display data generated in multiple sensing operations performed by the sensing device.

A wireless lighting device for vehicle accessories includes a signal transmitter and an encapsulated light board. The light board includes a unitary baseplate, a backlight module, a power module, and a top cover. The backlight module including a circuit board, light emitting elements, a transceiver, and a control module configured to turn the light emitting elements on and off according to the detected signal. The power module including a battery and a conductive strip configured to electrically connect the battery to the circuit board. The top cover configured to be irreversibly sealed to the baseplate with a customizable light permeable region covering the light elements. The transmitter configured to be installed on a door or a frame of a vehicle, and the light board configured to be installed in a vehicle accessory. The wireless lighting device having at least a ten year operational life without replacement of the batteries therein.

A wireless lighting device for vehicle accessories includes a signal transmitter and an encapsulated light board. The light board includes a unitary baseplate, a backlight module, a power module, and a top cover. The backlight module including a circuit board, light emitting elements, a transceiver, and a control module configured to turn the light emitting elements on and off according to the detected signal. The power module including a battery and a conductive strip configured to electrically connect the battery to the circuit board. The top cover configured to be irreversibly sealed to the baseplate with a customizable light permeable region covering the light elements. The transmitter configured to be installed on a door or a frame of a vehicle, and the light board configured to be installed in a vehicle accessory. The wireless lighting device having at least a ten year operational life without replacement of the batteries therein.