The present disclosure discloses a pressure sensing panel and a display device. A strain sensing unit includes a switching transistor, a first resistive pressure sensing electrode and a second resistive pressure sensing electrode. The first reference voltage line and the second reference voltage line have a potential difference when the switching transistor is switched on. When the pressure sensing panel is deformed, the resistances of the first resistive pressure sensing electrode and the second resistive pressure sensing electrode change due to deformation of the first resistive pressure sensing electrode and the second resistive pressure sensing electrode at corresponding positions, which leads to a change in voltage between the first resistive pressure sensing electrode and the second resistive pressure sensing electrode. Then voltage signals output through the signal reading line will change, and deformation of the pressure sensing panel can be obtained through analyzing the output voltage signal.

The present disclosure discloses a monitoring device for internal deformation and fine particle loss of a railway subgrade, relating to the field of monitoring devices. The monitoring device includes an internal damage monitoring device arranged in a subgrade ballast layer. The internal damage monitoring device is connected to a resistance acquisition instrument through a wire. The resistance acquisition instrument is in wireless connection with a resistance signal receiver. The monitoring device for internal deformation and fine particle loss of a railway subgrade provided by the present disclosure can remotely realize real-time continuous monitoring of the deformation and fine particle loss inside the railway subgrade under a rail transit load, is economical and convenient, and has high practice value.

An upper-extremity prosthetic is adapted to engage with an athletic ball. The prosthetic includes one or more springs that provide energy return as a user is throwing the ball using the prosthetic. The springs can have a conductivity that changes in relation to an amount of strain or deformation of the spring. The change in conductivity can be used to provide haptic feedback to the user so the user can sense the amount of force being applied to throw the ball. In some embodiments, the springs are made by a multi-material 3D printing (additive manufacturing) process and include a first material that is electrically non-conductive and a second material that electrically conductive. In some embodiments, the prosthetic also includes one or more cantilevered springs that are also adapted to engage with the ball and to provide energy return while throwing the ball.

Eyewear including a sensor integrated into frame of eyewear. In one example, the sensor comprises a strain gauge, such as a metallic foil gauge, that is configured to sense and measure distortion of the frame when worn by a user and under different force profiles, by measuring a strain in the frame when bent. The measured strain by strain gauge is sensed by a processor, and the processor performs dynamic calibration of image processing based on the measured strain. The distortion measured by the strain gauge is used by the processor to correct calibration of the cameras, and the displays.

A system including strain sensors, transmission lines, and a common receive line is described. The strain sensors receive can receive signal(s) on the transmission lines. The information from the strain sensors is provided on the common receive line. The strain sensors are configured to be selectively activated to transmit information on the common receive line in response to a control signal.

Provided is a digitalization system capable of digitalizing the skills of delicate work. This digitalization system comprises a first sensor mounted on a work tool and which detects a deformation of the work tool when the work tool is pressed against a work target, a second sensor which detects a force applied to the work target or a force applied to the work tool when the work tool is pressed against the work target, and a computer which calculates an angle of a corner formed with the work tool and the work target based on sensor values acquired with the first sensor, and calculates a force applied to the work target when the work tool is pressed against the work target based on sensor values acquired with the second sensor.

A circuit configured to sense an input analog signal generated by a sensor at a first frequency and to generate an output digital signal indicative of the sensed input analog signal. The circuit includes a conditioning circuit, an ADC, a feedback circuit, and a low-pass filter. The conditioning circuit is configured to receive the input analog signal and to generate a conditioned analog signal. The ADC is configured to provide a converted digital signal based on the conditioned analog signal. The feedback circuit includes a band-pass filter configured to selectively detect a periodic signal at a second frequency higher than the first frequency and to act on the conditioning circuit to counter variations of the periodic signal at the second frequency. The low-pass filter is configured to filter out the periodic signal from the converted digital signal to generate the output digital signal.

A geosynthetic sensor that incorporates an arrangement of a first layer of lengths of electrically conductive geosynthetic and a second layer of lengths of electrically conductive geosynthetic where each said length undergoes a change in electrical resistance or capacitance when subject to changes in any one or more of: pressure; strain; water content; or temperature.

A sensor device, and methods of manufacture thereof, are disclosed. The sensor device comprising a deformable substrate and a plurality of sensing elements formed on the deformable substrate, each of the plurality of sensing elements comprises at least one of a plurality of strain sensitive lines radially extending with respect to a center of the deformable substrate and a plurality of arched-shaped strain sensitive lines extending with respect to the center of the deformable substrate. The plurality of sensing elements are arranged on the deformable substrate such that strain components measured due to extension of strain sensitive lines of at least one of the sensing elements are of opposite strain direction with respect to strain components measured due to compression of strain sensitive lines of at least one other of the sensing elements, thereby maximizing performance and measurement range.

A strain gauge includes a resistor formed of a doped silicon material, a conductive shield, and an isolation element disposed between the resistor and the conductive shield. The isolation element electrically isolates the resistor from the conductive shield.