An apparatus configured to perform non-destructive, electrical measurements on a plant stalk to detect and quantify internal damage is disclosed. This apparatus includes features to minimize misalignments that can negatively affect the precision and/or accuracy of the electrical measurements.

An apparatus configured to perform non-destructive, electrical measurements on a plant stalk to detect and quantify internal damage is disclosed. This apparatus includes features to minimize misalignments that can negatively affect the precision and/or accuracy of the electrical measurements.

A plurality of plate pairs that includes at least three plate pairs are positioned over a surface of the composite object. A resistance of a plurality of plies in the composite object is measured in at least three different fiber orientations. Each of the at least three different fiber orientations is measured via a corresponding one of the at least three plate pairs.

The invention provides a sensor system and methods for detecting the presence of water in an insulating material surrounding plant equipment and/or pipe work. The sensor system comprises a plurality of sensors located in and spatially distributed over the insulating material, each sensor being operable to provide a sensor output indicative of the presence of water in an insulating material. The system also comprises at least one reference sensor operable to provide a reference sensor output indicative of the presence of water in an ambient environment in the vicinity of the plurality of sensors. In addition, the system comprises a processor configured to receive the sensor outputs from the plurality of sensors and the reference sensor output. The processor is configured to correlate the sensor outputs from the plurality of sensors and the reference sensor output to provide a correlation data output for use in evaluating a corrosion condition.

The invention provides a sensor system and methods for detecting the presence of water in an insulating material surrounding plant equipment and/or pipe work. The sensor system comprises a plurality of sensors located in and spatially distributed over the insulating material, each sensor being operable to provide a sensor output indicative of the presence of water in an insulating material. The system also comprises at least one reference sensor operable to provide a reference sensor output indicative of the presence of water in an ambient environment in the vicinity of the plurality of sensors. In addition, the system comprises a processor configured to receive the sensor outputs from the plurality of sensors and the reference sensor output. The processor is configured to correlate the sensor outputs from the plurality of sensors and the reference sensor output to provide a correlation data output for use in evaluating a corrosion condition.

A leak detection system for a membrane is disclosed. The system includes a non-permeable membrane; a plurality of printed sensors configured to obtain membrane measurements at a plurality of locations of the membrane; and a control circuit.

The present invention describes a device and a method for grading diamonds using electromagnetic fields with a radiofrequency or terahertz frequency. The method for grading diamonds comprises placing the diamond (4) into a grading device, applying an electromagnetic field with a frequency range of up to 30 THz to the diamond, recording a modulated signal received from the diamond in a form of S-parameters as a function of frequency or any other parameter that can be deduced by applying said electromagnetic field, processing the recorded signal in the processing unit to obtain data containing information about either an amplitude, or phase, or both of the recorded S-parameters as a function of frequency or said any other parameter, performing calculations relating to the obtained data, and running a computer algorithm correlating the calculated data to either nitrogen concentration, boron concentration or plastic deformation in diamonds, thereby allowing grading of the diamond. The device comprises the following components, RF generator (1), transmitting antenna (2), waveguide (3), receiving antenna (5), amplitude and frequency detector (6) and computing unit (7).

The present invention describes a device and a method for grading diamonds using electromagnetic fields with a radiofrequency or terahertz frequency. The method for grading diamonds comprises placing the diamond (4) into a grading device, applying an electromagnetic field with a frequency range of up to 30 THz to the diamond, recording a modulated signal received from the diamond in a form of S-parameters as a function of frequency or any other parameter that can be deduced by applying said electromagnetic field, processing the recorded signal in the processing unit to obtain data containing information about either an amplitude, or phase, or both of the recorded S-parameters as a function of frequency or said any other parameter, performing calculations relating to the obtained data, and running a computer algorithm correlating the calculated data to either nitrogen concentration, boron concentration or plastic deformation in diamonds, thereby allowing grading of the diamond. The device comprises the following components, RF generator (1), transmitting antenna (2), waveguide (3), receiving antenna (5), amplitude and frequency detector (6) and computing unit (7).

An electronic panel includes a base substrate having a first area, a second area adjacent to the first area, and a third area adjacent to the second area, a plurality of sensing electrodes in the second area, a plurality of sensing lines in the third area and electrically connected to the plurality of sensing electrodes, a crack sensing pattern in the first area and spaced apart from the plurality of sensing electrodes, a crack sensing line in the third area and spaced apart from the plurality of sensing lines, and a connection line connecting the crack sensing pattern to the crack sensing line via the second area and including a floating portion, wherein the floating portion is at the same layer as the crack sensing pattern and is spaced apart from the plurality of sensing electrodes.

An electronic panel includes a base substrate having a first area, a second area adjacent to the first area, and a third area adjacent to the second area, a plurality of sensing electrodes in the second area, a plurality of sensing lines in the third area and electrically connected to the plurality of sensing electrodes, a crack sensing pattern in the first area and spaced apart from the plurality of sensing electrodes, a crack sensing line in the third area and spaced apart from the plurality of sensing lines, and a connection line connecting the crack sensing pattern to the crack sensing line via the second area and including a floating portion, wherein the floating portion is at the same layer as the crack sensing pattern and is spaced apart from the plurality of sensing electrodes.