G01L19/00

Thickness-shear mode resonators
11598684 · 2023-03-07 · ·

A pressure sensor that resonates in the thickness-shear mode (TSM) includes a center resonator structure, a first electrode positioned on a first side of the center resonator structure, and a first electrode flag. The first electrode flag forms a first electrically conductive path from the first electrode toward an outer portion of the center resonator structure. The first electrode flag extends at least partially over the first side of the center resonator structure. The first electrode flag also includes one or more first tab metals migrated thereinto from opposing sides of the first electrode flag.

METHOD AND APPARATUS FOR MONITORING VITAL SIGNS REMOTELY

A method and apparatus for monitoring vital signs, such as cardiopulmonary activity, using a ballistograph are provided. The method and apparatus may be used to monitor an infant sleeping in a crib, a patient in a hospital, a person with a chronic disease at home or in professional care, or a person in an elder-care setting.

FOOT FORCE ACQUISITION APPARATUS AND QUADRUPED ROBOT USING THE SAME
20220324526 · 2022-10-13 ·

A foot force acquisition apparatus includes a first connecting rod, a pressure signal acquisition board, a second connecting rod rotatably connected with the first connecting rod, and an air tube provided in the first connecting rod and the second connecting rod. An end portion of the second connecting rod is fixedly provided with an elastic foot pad. An air chamber is provided in the elastic foot pad. One end of the air tube is connected with the air chamber. The other end is connected with the pressure signal acquisition board. By providing the pressure signal acquisition board and providing the air chamber in the foot, the air tube spans a joint formed by the first connecting rod and the second connecting rod to acquire the internal pressure value of the air chamber, thus achieving the advantages of simple structure, low cost and high reliability.

SENSING MODULE

A sensing module including a circuit substrate, a sensing element, a packaging material and a blocking structure is provided. The sensing element, the packaging material and the blocking structure are disposed on the circuit substrate. The sensing element comprises a sensing portion. The outer side surface of the blocking structure is in direction contact with the packaging material to define a boundary of the packaging material. The sensing portion is disposed in a region encircled by the boundary of the packaging material, and the maximum thickness of the packaging material from a surface facing away from the circuit substrate to the circuit substrate is less than or equal to a distance from the second surface of the blocking structure to the circuit substrate.

MICROMECHANICAL COMPONENT FOR A PRESSURE AND INERTIAL SENSOR DEVICE
20220326105 · 2022-10-13 ·

A micromechanical component for a pressure and inertial sensor device. The component includes a substrate having an upper substrate surface; a diaphragm having an inner diaphragm side oriented towards the upper substrate surface and an outer diaphragm side pointing away from the upper substrate surface, the inner diaphragm side bordering on an inner volume, in which a reference pressure is enclosed, and the diaphragm being able to be warped using a pressure difference between a pressure prevailing on its outer diaphragm side and the reference pressure; and a seismic mass situated in the inner volume, a sensor electrode, which projects out on the inner diaphragm side and extends into the inner volume, being displaceable with respect to the substrate due to a warping of the diaphragm. A pressure and inertial sensor device, and a method of manufacturing a micromechanical component for a pressure and inertial sensor device, are also described.

PRESSURE SENSOR
20230064437 · 2023-03-02 · ·

Provided is a pressure sensor including: a housing portion including a housing part housing a pressure sensor module, a concave portion facing the housing part across an inner wall, and a through hole part formed in the inner wall; a filter covering the through hole part; and a cover mounted on the housing portion while covering the concave portion and including cutout parts. The concave portion includes a bottom surface that is one surface of the inner wall, and two side surfaces perpendicular to the bottom surface and opposed to each other. The cover is formed with a rectangular upper plate and two rectangular side plates continuous with edges of the upper plate in a vertical direction and opposed to each other. The upper plate is arranged to face the bottom surface. The two side plates are arranged between the two side surfaces opposed to each other.

Device for measuring pressure in a fluid

A measurement chamber that is essentially dome shaped and has a base area with a membrane and has at least two connection points fora fluid flow. The measurement chamber has two outer webs opposite each other, one of the webs engaging a clamping edge of a coupling element.

APPARATUS AND METHOD FOR MEASURING GROUND SUBSIDENCE USING PRESSURE GAUGE
20220326103 · 2022-10-13 ·

The present invention relates to an apparatus and a method for measuring ground subsidence using a pressure gauge, in which the apparatus includes: a plurality of pressure gauges installed along a ground surface at a subsidence reference point of ground and a plurality of measurement positions to be measured, respectively, to measure a pressure displacement at each of the measurement positions; a pressure transmission pipe filled therein with a liquid supplied from a tank installed at the subsidence reference point to transmit a pressure to each of the pressure gauges; and a measurement terminal connected to each of the pressure gauges through an optical cable, and configured to convert the pressure displacement measured by each of the pressure gauges into a height displacement to measure an amount of the ground subsidence.

Micro-molded fluid pressure sensor housing

A micro pressure sensor includes a sense die mounted on a substrate, a ring structure encircling the sense die, and a silicone material is overmolded to an exterior of the ring structure to form a seal with the ring structure and fills an interior of the ring structure. The ring structure has one or more legs at bottom side, which are snap fitted to the substrate through mating holes such that the ring structure encircles the sense die; and a top surface of the silicone material receives the external pressure and transmits the external pressure to the sense surface of the sense die to generate an output signal on the sense die, wherein a processor converts the output signal into a pressure reading. The pressure-transmitting media transmits a received external pressure to the sense surface of the sense die to generate an output signal from the sense die, wherein a processor converts the output signal into a pressure reading.

Tire sensor container system for improved sensor functionality and longevity

A tire sensor container system is provided. A tire includes a carcass toroidally extending from a first bead area to a second bead area, and an innerliner formed on an inner surface of the carcass. The tire sensor container system includes a tire pressure monitoring system sensor, which in turn includes a rigid housing that is formed with an oval shape. A flexible container is mounted to the innerliner. The container includes a base and a wall extending radially outwardly from the base, and the wall terminates in a lip. The container wall is formed with an oval shape that cooperates with the shape of the tire pressure monitoring sensor housing. A cavity is defined by the base, the wall, and the lip, and cavity receives and secures the tire pressure monitoring system sensor. The system reduces sensor rotation and maintains consistent sensor orientation to improve sensor functionality and longevity.