A system may include an array of sensor elements, the array of sensor elements each comprising a first type of passive reactive element, a second type of passive reactive element electrically coupled to the array of sensor elements, a driver configured to drive the array of sensor elements and the second type of passive reactive element, and control circuitry configured to control enabling and disabling of individual sensor elements of the array of sensor elements to ensure no more than one of the array of sensor elements is enabled at a time such that when one of the array of sensor elements is enabled, the one of the array of sensor elements and the second type of passive reactive element together operate as a resonant sensor.

An apparatus for measuring pressure is disclosed. The apparatus can be used to measure static pressures or dynamic pressures as would a conventional microphone, but can be integrated with antenna elements, and can be implemented without need for conductive elements in the array itself to provide the sensed pressure signal for processing. Instead, diaphragm movement is remotely and wirelessly sensed and used to determine pressure.

Device for measuring pressure comprising a base body, and a diaphragm that is arranged on the base body such that the base body and the diaphragm at least partially enclose a cavity, wherein the diaphragm is embodied to be deformable in accordance with the external pressure incident on it, such that the magnitude of a spatial dimension of the cavity is correspondingly changed, wherein a position element is arranged to move in accordance with the diaphragm, wherein an inductive planar coil is arranged across the cavity and opposite to the position element, such that the position element and the inductive planar coil are separated, wherein the position element serves to influence the inductance of the coil in dependence on the magnitude of the separation.

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 semiconductor package having an air pressure sensor and methods to form a semiconductor package having an air pressure sensor are described. For example, a semiconductor package includes a plurality of build-up layers. A cavity is disposed in one or more of the build-up layers. An air pressure sensor is disposed in the plurality of build-up layers and includes the cavity and an electrode disposed above the cavity.

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 device for determining a measurand, includes a first pattern made from a first conductive material, the first pattern having a first impedance and having a first end and a second end spaced apart from the first end, a second pattern at least arranged between the first end and the second end of the first pattern, being in electrical contact with the first pattern. The second pattern has a second impedance that changes continuously as a function of the measurand, such that the impedance or the inductance of the assembly formed by the first and second patterns changes continuously as a function of the measurand. The device also comprises a means for determining the impedance or the inductance of the assembly, formed by the first and second patterns.

A cerebrospinal-fluid-pressure-measuring device including a pressure gauge including a hollow cylindrical body for inserting through a skull and having a lower and upper end, and an inner surface, a membrane attached to the lower end and to move under a pressure of cerebrospinal fluid within the skull, and coils including a stationary coil disposed in the cylindrical body and connected to the inner surface so as to remain stationary, and a moving coil disposed in the cylindrical body and connected to the membrane so that the moving coil moves when the membrane moves under the pressure, one of the coils being configured as a transmitting coil and another of the coils being configured as a receiving coil, and a control unit to apply an input signal to the transmitting coil and receive an output signal from the receiving coil, and to generate an indication of the pressure.