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WO/2004/057291 |
The invention relates to a long-term stable, high-precision differential pressure sensor, comprising a pressure-sensitive, electrically conductive membrane (1) which is arranged between a first and a second base body (3, 5). During opera...
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WO/2004/054639 |
A vacuum pressure regulator system for use in association with a vacuum system in which a vacuum is employed for healthcare purposes, for assisting in monitoring and regulating the vacuum pressure, and having a manual pressure control va...
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WO/2004/053450 |
A pressure measurement device (100) includes a housing (110) having an inlet (113), a transducer (120) coupled to the inlet to generate an electrical signal representative of pressure at the inlet, and a data communication device (140) c...
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WO/2004/051208 |
Disclosed is a pressure sensor (1) comprising a pressure chamber (7) that is embodied between a separating membrane (3) and a base member (2), a pressure duct (4) for hydraulically transducing the pressure to a measuring cell, and a vent...
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WO/2004/048914 |
A sealed capacitive pressure sensor (30) has a body with a first (32) chamber and a second chamber (35).The chambers are separated from each other y a printed circuit board (31). The first chamber (32) has an air inlet (44) and at least ...
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WO/2004/048901 |
The present invention relates to a pressure-thermometer in same time (thermometer combined with manometer) capable of achieving one combined meter in which a Bourdon tube manometer and a bimetal type thermometer are combined. A pressure ...
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WO/2004/048915 |
The inventive measuring transducer (1) for measuring the pressure of a process medium comprises a measuring cell (2) and a housing (18) that has an inner space (6) and an opening (4). Said measuring cell (2) is located inside the inner s...
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WO/2004/042337 |
The invention relates to a pressure sensor (1) with a monolithic body (2) comprising a carrier body (3) and a membrane (4) on which a circuit for detecting pressure is printed. Components of the circuit are made of hardened paste. The pr...
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WO/2004/042338 |
The relative pressure sensor comprises two chambers (5, 6) and two separating membranes (2, 3) respectively provided for a process pressure and an ambient pressure. The chambers (5, 6) are separated by a pressure-sensitive element (4) (m...
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WO/2004/036169 |
A heat loss gauge for measuring gas pressure in an environment includes a resistive sensing element and a resistive compensating element. The resistive compensating element is in circuit with the sensing element and is exposed to a subst...
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WO/2004/036166 |
A recall mechanism for a pressure gauge (10) stores pressure reading outputs for effectively conveying 'last value' information to a usser when requested.
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WO/2004/034376 |
A source-controlled Variable bit-rate Multi-mode WideBand (VMR-WB) speech codec, having a mode of operation that is interoperable with the Adaptive Multi-Rate wideband (AMR-WB) codec, the codec comprising: at least one Interoperable full...
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WO/2004/034379 |
Speech signal classification and encoding systems and methods are disclosed herein. The signal classification is done in three steps each of them discriminating a specific signal class. First, a voice activity detector (VAD) discriminate...
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WO/2004/031716 |
According to the invention, the range error of a pressure sensor, comprising an essentially cylindrical base body and a measuring membrane, mounted on a front face of the base body, whereby the pressure measuring cell is axially tensione...
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WO/2004/029571 |
The present invention relates to an apparatus (1) for measuring pressure and temperature respectively in fluid conduits (3) to heating and cooling plants. The apparatus comprises at least one nipple (4), screwed into a fluid conduit sock...
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WO/2004/027382 |
An assembly (200) and a method of securing elongated members (90, 110) within the assembly (200) are provided. In particular, one or more particular elongated members (90, 110) which are adapted to contain a particular fluid may be affix...
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WO/2004/025237 |
Method for measuring the pressure (P) of the residual gases in a vacuum environment (7), which comprises the following operating steps: arranging in this environment (7) a sensor comprising a control circuit (6) connected to at least one...
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WO/2004/023423 |
A process variable transmitter (200) connects a serial bus (232) to an accessory load. A supply limiter circuit (234) provides a first supply current limit and provides a stored energy output (236). A recessive driver circuit (238) draws...
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WO/2004/020965 |
A detector (11) having a housing (13) which is mounted to an air filter (23) provides a signal if the filter (23) is dirty. The housing (13) has a cavity (35) with a diaphragm (27). An upstream air inlet and a downstream air inlet lead f...
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WO/2004/013594 |
Disclosed is an asymmetrically designed differential pressure sensor comprising a measuring unit that is provided with a first half-chamber which has a first volume V1 and is closed by a first separating membrane having a first stiffness...
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WO/2004/013593 |
Disclosed is a capacitive pressure sensor (1) comprising a base element (10), one side of which is provided with a supporting membrane bed (11) having a concave central area, and a membrane (17) that is connected in a pressure-proof mann...
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WO/2004/011333 |
An inflatable bladder (10) is provided with an inflation valve device (2) that includes a sleeve member (21), a tubular indicator (22) mounted movably in the sleeve member and marked with indicia, an inflation needle (24) mounted in the ...
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WO/2004/005872 |
The present invention provides a system (10) for measuring and remotely monitoring strain in an element (1) having a strain sensor (20), a telemetry circuit (40) for transmitting strain data to a remote location, and a reader module (60)...
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WO/2004/005875 |
The aim of the invention is to minimize the tensioning error of a pressure sensor comprising an essentially cylindrical base body and a measurement diaphragm which is mounted on a face of the base body, the pressure-measuring cell being ...
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WO/2004/001360 |
A pressure sensor housing and assembly is disclosed. The pressure sensor may have a manifold and a header comprising one integral unitary housing. The unitary housing may have a pressure inlet in communication with an elongated tube. The...
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WO/2004/001359 |
The invention relates to a pressure measuring unit that can be used in the most versatile possible matter, comprising a ceramic pressure sensor (2) that can be enclosed inside a metallic housing (1, 29). According to the invention, the s...
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WO/2004/001339 |
A compact variable capacitance measuring device (10) having a capacitor electrode (12), a gettering housing, and pinch-off connector aligned a common axis to reduce width without a substantial increase in length.
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WO/2004/001341 |
The invention relates to the temperature compensation for a GMR (Giant MagnetoResistive) crossed half-bridge sensor arrangement (39). On a temperature change the potential at the first connector (44) is altered in a first sense, the pote...
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WO/2004/001362 |
The invention relates to a device for pressure measurement, especially for high-pressure measurement, comprising a pressure sensor (10) which is arranged in a sensor housing. Said sensor housing comprises a first sensor housing element (...
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WO/2004/001358 |
The invention relates to a pressure sensor (10) for use in a device for measuring (high) pressure. Said pressure sensor is configured as a semiconductor pressure sensor and soldered directly onto a support element (5) provided with a fir...
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WO/2003/106957 |
According to the invention, one edge of the chip housing (2), on which the sensor element (1) is situated, is pressed into a sealing substance (7), to enable the passage of a pressure to the sensor element (1). A silicon gel (3) is provi...
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WO/2003/106329 |
A microelectromechanical device and method of fabricating the same, including a layer of patterned and deposited metal or mechanical-quality, doped polysilicon inserted between the appropriate device element layers, which provides a cond...
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WO/2003/106205 |
A system and method for regulating the temperature of a sensor to reduce temperature gradients that form within the sensor. In one embodiment, the temperature gradients are reduced utilizing a temperature regulator (270) with two control...
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WO/2003/106945 |
A compensated sensor includes a sensor(108), a relatively fast feedthrough path, and a relatively slow compensation path. The relatively fast feedthrough path includes a summer (204) and output circuitry, such as a summing amplifier. The...
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WO/2003/106956 |
A capacitive pressure transmitter (300) is provided. In one aspect, the transmitter (300) includes a capacitive pressure sensor (56) coupled directly to the measured media without any intervening fluid isolation. A filter is preferably u...
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WO/2003/102921 |
The present invention relates to a method and device for improving concealment of frame erasure caused by frames of an encoded sound signal erased during transmission from an encoder (106) to a decoder (110), and for accelerating recover...
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WO/2003/102527 |
Systems and methods for digitally controlling sensors, one embodiment being a digital controller for a capacitance diaphragm gauge which is embedded in a digital signal processor (DSP). The digital controller receives digitized input fro...
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WO/2003/100373 |
The invention relates to a hydraulic pressure sensor for measuring the pressure in a hydraulic pressure compartment. Said hydraulic pressure sensor is disposed in a sensor compartment which is filled with a liquid with which the sensor e...
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WO/2003/100371 |
The invention relates to a pressure measuring device which comprises a housing (9) wherein a carrier (3) with a sensor element (31) and an electric connecting element (34) is arranged . The housing (9) comprises a first chamber (4) which...
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WO/2003/098179 |
A fibre optic sensor deployed on a fibre optic cable to a remote location, such as an oil or gas well. The sensor, which can sense any of a variety of parameters such as pressure, temperature, flow rate, strain, or chemical properties, i...
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WO/2003/095962 |
A pressure sensor assembly (100) includes an elongate pressure sensor (102) mounted to a sensor mounting block (104). A protective element covers (120) the elongate pressure sensor (102) to prevent the pressure sensor from contacting pro...
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WO/2003/095963 |
A barometric pressure sensor (100) including a base layer (102), a sensor layer (110) and a reference layer (120). The base layer has a passageway (104) between a pressure inlet (106) and a mounting face (108). The sensor layer is bonded...
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WO/2003/093780 |
The present invention lessens the amount of air entering between mating membranes of a pressure sensor. The pressure sensor of the present invention includes a transducer portion and separate patient or medical fluid transfer portion or ...
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WO/2003/093779 |
A sensor package is disclosed. The sensor package includes a housing that has a recess and a sealing member epoxied within the recess of the housing. The housing also has small EDM holes to allow conductive output wires to feed through t...
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WO/2003/089891 |
A method is disclosed for providing transient temperature compensation in a pressure transducer. The transducer includes a capacitive pressure sensor, the pressure sensor including a diaphragm, at least part of the diaphragm moving in re...
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WO/2003/089892 |
A method for generating from audio signals Line Spectral Frequency (LSF) vectors with a desired vector output rate. In order to alleviate problems of signal aliasing and to reduce complexity of the system, it is proposed that the method ...
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WO/2003/081197 |
The present invention relates to a pressure housing for in-water pressure based systems and to a method for improving the life of the transducers and electronics of underwater systems by maintaining a humidity-free and clean environment ...
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WO/2003/081195 |
A pressure monitor has a base with a rigid frame, and a lid secured to the base to define with the base a substantially fluid tight chamber. At least part of the lid is flexible and forms a diaphragm which will deflect in response to cha...
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WO/2003/078953 |
The inventive protective device for measuring instruments comprises a body embodied in the form of a hollow cylinder provided with an access opening, an inflow pipe provided with a bypass and fixed to the body above said access opening. ...
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WO/2003/078952 |
The disclosed pressure transducer assembly includes a housing, a pressure sensor disposed within the housing, a coupling establishing a sealed pathway between the housing and an external source of gas or fluid, and a deposition trap disp...
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