A pneumatic-based tactile sensor according to an exemplary embodiment of the present invention includes: a tactile sense transmitting pneumatic unit for generating pneumatic pressure by an external load applied to a first side; and a tactile sense receiving sensor unit for measuring the load by transforming a magnitude of pneumatic pressure of the tactile sense transmitting pneumatic unit into a displacement.

Disclosed is a pressure detection device (10), wherein the pressure detection device (10) is configured to detect the pressure in a sealed cavity. The pressure detection device (10) further comprises: a pressure sensing assembly (I), wherein the pressure sensing assembly (I) comprises a fixed part (14) and a movable part (13), the movable part (13) moves relative to the fixed part (14) when a change of the pressure in the sealed cavity is sensed, so as to change a sensing parameter of the pressure sensing assembly (I); and a detection unit (II), wherein the detection unit (II) is connected to the pressure sensing assembly (I), and the detection unit (II) is used for obtaining the pressure in the sealed cavity according to a current sensing parameter of the pressure sensing assembly (I).

A sensor system includes a sensor that includes a RLC tank having a first input impedance. The RLC tank includes a first coupling inductor. The sensor system also includes a reader that includes a -RLC tank having a second input impedance. Characteristically, the -RLC tank includes a second coupling inductor inductively coupled to the first coupling inductor wherein the first input impedance multiplied by i is approximately equal to the complex conjugate of the second input impedance multiplied by i at one or more predetermined frequencies.

A pressure sensor has a stem in which a pressure introduction hole into which a pressure medium is introduced and a diaphragm deformable according to the pressure of the pressure medium are formed, and a strain detecting element which is arranged on the diaphragm via an insulating film and being configured to output a detection signal according to the deformation of the diaphragm. The strain detecting element is configured to have a portion made of polysilicon. A low doping layer having a higher electrical resistivity than polysilicon and a higher crystallinity than the insulating film is arranged between the insulating film and the strain detecting element.

A method of manufacture of a force sensor and a force sensor is provided. The force sensor can be used to measure contact forces. The force sensor includes a substrate with an electromagnetic sensing element for contactless sensing of a field formed by a target. The target is included in a flexible piece which receives the force, and can deform by it. The flexible piece is treated so that the force sensor is reliable and has long durability.

A differential pressure sensor includes a containment body including internally a wall creating first and second cavities, a piston slidingly housed in the first cavity and including a magnet mounted on a first axial end thereof, proximal to the wall and a magnetic sensor housed in the second cavity, near the wall for measuring the axial distance of the magnet from the wall and generating a signal representing such distance. The pressure sensor further includes a lighting element for emitting light radiation, a control circuit operatively interposed between the magnetic sensor and the lighting element and configured for varying the light radiation emitted by the lighting element as a function of a variation in the representative signal generated by the magnetic sensor. An interface element includes a radiant surface facing outwards from the body and an optical guide, extending between the lighting element and the radiant surface.

A differential pressure sensor includes a containment body including internally a wall creating first and second cavities, a piston slidingly housed in the first cavity and including a magnet mounted on a first axial end thereof, proximal to the wall and a magnetic sensor housed in the second cavity, near the wall for measuring the axial distance of the magnet from the wall and generating a signal representing such distance. The pressure sensor further includes a lighting element for emitting light radiation, a control circuit operatively interposed between the magnetic sensor and the lighting element and configured for varying the light radiation emitted by the lighting element as a function of a variation in the representative signal generated by the magnetic sensor. An interface element includes a radiant surface facing outwards from the body and an optical guide, extending between the lighting element and the radiant surface.

A system for generating an electrical signal responsive to a pressure input, a sensory system, and a method for generating an electrical signal responsive to a pressure input. The system comprises a diaphragm configured to be subjected to the pressure input; a microfluidic channel with a first end thereof coupled to the diaphragm such that the pressure input generates a corresponding pressure change in the microfluidic channel; one or more magnets disposed in a carrier liquid in the microfluidic channel; and one or more coils disposed along the microfluidic channel and for generating the electrical signal based on Faraday effect by the magnets moving, under the pressure change in the microfluidic channel, through the respective coils.

A system for generating an electrical signal responsive to a pressure input, a sensory system, and a method for generating an electrical signal responsive to a pressure input. The system comprises a diaphragm configured to be subjected to the pressure input; a microfluidic channel with a first end thereof coupled to the diaphragm such that the pressure input generates a corresponding pressure change in the microfluidic channel; one or more magnets disposed in a carrier liquid in the microfluidic channel; and one or more coils disposed along the microfluidic channel and for generating the electrical signal based on Faraday effect by the magnets moving, under the pressure change in the microfluidic channel, through the respective coils.

A pressure sensor comprising at least a pressure measuring cell, a pressure balancer, as well as at least one measurement line to transfer a pressure applied to the pressure means to the pressure measuring cell, wherein the pressure sensor comprises at least one compensation line showing the same features as the measurement line, which is arranged parallel in reference to the measurement line.