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Match Document Document Title
9038454 Thermal flowmeter  
Measuring flow rate of gas based on amount of heat transfer from gas to temperature-sensing resistors, comprises: substrate having hollow space formed therethrough; an insulating film deposited on...
9030190 Measuring device  
A measuring device (1) with a housing (2) and two electronic devices (3, 4). To provide a measuring device whose electronics are modular, enabling easy adaptation to self-protection, the measuring...
9003876 Thermal mass flowmeter with a metal-encapsulated sensor system  
A thermal mass flowmeter with a metal-encapsulated sensor system is provided. The sensor system included at least one heating resistor having a platelet geometry, and a sensor cap surrounding the...
8969088 Substrate mimicking intercellular lipids in stratum corneum and method of evaluating skin roughening using the same  
A substrate mimicking intercellular lipids in stratum corneum consisting of a substrate and a lipid membrane formed on the substrate, wherein the lipid membrane is formed from ceramide, palmitic...
8966975 Method and apparatus for packaging crash sensors  
A crash sensor assembly including a printed circuit board and a crash sensor mounted on the printed circuit board, At least one connector pin is mounted to the printed circuit board so as to...
8939012 Thermal conductivity detector and gas chromatograph using same  
The present invention provides a thermal conductivity detector capable of realizing high detection performance even with the use of a miniaturized heating element, and expanding an effective...
8899103 Thermal air flow meter  
A thermal air flow meter comprises: a bridge circuit unit that incorporates a bridge circuit including a heating resistor and supplies a current to the heating resistor so that the temperature of...
8869604 Flow rate detection device  
A flow rate detection device of the invention comprises a flow rate meter 11 for outputting an output value Vd depending on a gas flow rate and detects the gas flow rate by calculating the gas...
8844349 Thermal type air flow meter having a reinforcing structure provided on the base member between the board fixing part and the secondary passage constituting part  
A thermal type air flow meter that is capable of suppressing deformation of a base member at the time of molding is disclosed, to thereby secure dimension accuracy and reduce an influence of a...
8844350 Flow quantity measuring apparatus including branched conductive lines connected to midpoints of series circuits of the bridge circuit  
A sensor chip in a flow quantity measuring apparatus includes a first conductive line, through which a midpoint electric potential of a first series circuit of a bridge circuit is outputted, is...
8806933 Thermal type air flow meter  
A thermal type air flow meter, which detects a flow rate of air flowing in an air passage, includes a sensor portion having a heating element in an air passage, a temperature control unit. The...
8794082 MEMS time-of-flight thermal mass flow meter  
An apparatus comprising a micromachined (a.k.a. MEMS, Micro Electro Mechanical Systems) silicon flow sensor, a flow channel package, and a driving circuitry, which operates in a working principle...
8756989 Flow measuring device  
A flow measuring device includes a housing, a support, and a flow measurement element. The housing defines a passage therein and includes a passage narrowing part, which reduces a cross-sectional...
8726729 Measuring device  
A measuring device with at least one housing and at least one electronic unit, wherein the housing has at least one electronic access opening for the electronic unit, wherein a first longitudinal...
8720268 Flow rate detection device having anti-undercurrent material  
The flow rate detection device includes a sensor element and a support. The sensor element includes: a cavity which is formed in a rear surface of a plate-shaped semiconductor silicon substrate by...
8695418 Fluidic systems and methods of determining properties of fluids flowing therein  
Fluidic systems and methods of determining properties of fluids flowing therein. The fluidic systems and methods make use of a micromachined device that determines at least one property of the...
8667839 Heat conduction-type sensor for calibrating effects of temperature and type of fluid, and thermal flow sensor and thermal barometric sensor using this sensor  
A heat conduction-type sensor corrects (calibrate) effects of a temperature of a measurement target fluid and a type of the fluid on a measurement value in measurement of a flow velocity, a mass...
8640538 Flow sensor and manufacturing method of the same and flow sensor module and manufacturing method of the same  
Technique of suppressing performance variations for each flow sensor is provided. In a flow sensor FS1 of the present invention, a part of a semiconductor chip CHP1 is configured to be covered...
8627717 Thermal flow sensor  
A thermal flow sensor includes a heater temperature controller that realizes stable startup characteristics and prevents degradation of a sensor element and can also accommodate a smaller heater....
8561461 Calorimetric flow meter having high heat conductivity strips  
A flow meter includes a heater for heating a fluid flow along a membrane. A temperature difference is measured between and upstream point and a downstream point. There are additionally provided...
8468883 Thermal type flow sensor having a humidity detection portion and an air flow detecting portion  
A thermal type fluid flow sensor includes an air flow detecting portion and a temperature detecting portion formed above the same substrate, capable of correcting a humidity, and having a high...
8464593 Integrated micro-machined air flow velocity meter for projectile arms  
An apparatus integrated with micromachined (a.k.a. MEMS, Micro Electro Mechanical Systems) silicon sensor to measure air flow velocity on targeting correction for projectiles arms is disclosed in...
8448508 Hot film air mass meter and method for its manufacture  
A device for determining at least one parameter of a fluid medium, in particular an intake air mass of an internal combustion engine. The device comprises a sensor chip for measuring the parameter...
8429964 Thermal fluid flow sensor having stacked insulating films above and below heater and temperature-measuring resistive elements  
A thermal fluid flow sensor having a diaphragm structure body configured by an insulating film formed by stacking a film having compressive stress and a film having tensile stress on the top and...
8424380 Flow sensors having nanoscale coating for corrosion resistance  
A corrosion resistant flow sensor apparatus includes a flow sensor including a micromachinable substrate mounted on a package substrate that includes electrically conductive traces and substrate...
8410946 Thermal measurement system and method for leak detection  
A system includes a controller configured to receive a signal from a thermal radiation sensor indicative of a temperature of a region including at least one fluid passage. The controller is also...
8359919 Thermal humidity sensor  
Provided is a high-precision, mechanically robust thermal humidity sensor. A detecting element 1 of the thermal humidity sensor of the present invention has a diaphragm (a bridge structure) 2...
8356514 Sensor with improved thermal stability  
Improved sensors are disclosed that include a heater resistor and/or one or more sensor resistors. In some instances, the heater resistor may be configured to have a zero or near-zero temperature...
8342018 High accuracy battery-operated MEMS mass flow meter  
With increasing demands on data communication and remote control in current industrial processes or gas measurement applications, development of new technologies would be necessary. The current...
8302471 Calorimetric flow meter having high heat conductivity strips  
A flow meter includes a heater for heating a fluid flow along a membrane. A temperature difference is measured between and upstream point and a downstream point. There are additionally provided...
8286478 Sensor bridge with thermally isolating apertures  
A sensor having a sensor bridge supported above a substrate is disclosed. A number of thermally isolating apertures are provided in the sensor bridge to help increase the thermal isolation of the...
RE43660 Flow sensor using a heat element and a resistance temperature detector formed of a metal film  
The present invention provides a technology capable of achieving a highly-sensitive flow sensor, by forming a metal film having a relatively high TCR on a semiconductor substrate via an insulating...
8225652 Thermal flow meter measuring flow rate based on temperature difference measurement and driving energy of the heater  
A thermal flow meter has a sensor chip, a heater, first and second flow rate calculators, and an output controller. The heater increases the ambient temperature in the vicinity of a pair of...
8220326 Flow sensor device having a gap formed between a sensor device and an engaging portion and a pooling portion formed in the gap  
Although flow detection accuracy deterioration due to a subject fluid inflow into a gap between a sensor device and an engaging portion is prevented by an underflow inhibitor, the underflow...
8186213 Thermal-type flowmeter  
The present invention provides a highly-sensitive thermal-type flow-rate sensor with enhanced reliability. Provided is a thermal-type flow-rate sensor including: a passage into which a...
8174352 Method for making a transducer, transducer made therefrom, and applications thereof  
A method for manufacturing or preparing thin-film stacks that exhibit moderate, finite, stress-dependent resistance and which can be incorporated into a transduction mechanism that enables simple,...
8166814 Flow sensor and manufacturing method therefor  
A flow sensor may be formed by bonding a sensor chip formed with a flow rate detecting part and a flow path-forming member that is provided on the sensor chip and is formed with a flow path for a...
8161811 Flow sensors having nanoscale coating for corrosion resistance  
A corrosion resistant flow sensor apparatus includes a flow sensor including a micromachinable substrate mounted on a package substrate that includes electrically conductive traces and substrate...
8143689 Sensor device  
A sensor device for sensing air flow speed at the exterior of an aircraft, comprising a substrate having an upper side on which is mounted a diaphragm over an aperture or recess in the substrate,...
8132455 Robust micromachined thermal mass flow sensor with double side passivated polyimide membrane  
A micromachined thermal mass flow sensor comprises a high mechanical strength polyimide film as a supporting layer of suspending membrane. The polyimide film provides superior thermal insulating...
8069718 Thermal flowmeter  
A simply configured thermal flowmeter can provide high measurement accuracy over a long period of time by suppressing the characteristics degradation due to adhering contaminants. On the surface...
8011240 Flow sensor with thermocouples  
The flow sensor comprises a heater arranged between two sensing thermopiles. In addition, at least one monitoring thermocouple is provided for measuring the temperature of the heater. The signal...
8006553 Semiconductor sensor having heater on insulation film and manufacturing method of the same  
A sensor includes: a silicon substrate having a hollow portion, which is arranged on a backside of the substrate; an insulation film disposed on a front side of the substrate and covering the...
7992435 Air flow meter  
In a structure in which peripheral part of a diaphragm section of an electrical insulating film is covered with a protective film made of an organic material, the resistor wire on the diaphragm...
7980126 Method for operating hot-film air-mass sensors  
A method is provided for operating a hot-film air-mass sensor, which can be used especially for measuring air mass flows in the intake tract of an internal combustion engine. The hot-film air-mass...
7966877 Heated hot-film air-mass sensor  
To determine air mass flows, especially for controlling internal combustion engines, a hot-film air-mass sensor is provided, which may be used especially for sensing air mass flows in the intake...
7963162 300° C flow sensor  
A measurement device, particularly an anemometric measurement device, is provided for mounting in an exhaust-gas pipe, particularly an exhaust-gas recirculation pipe. The device includes a ceramic...
7963161 Heating resistor type air flow rate measuring device utilizing an auxiliary passage  
An object of the present invention is to provide a structure which prevents a particulate contaminant and a liquid contaminant on which centrifugal separation hardly works, from arriving at a...
7962576 Quantity conversion interface for external program calls  
The application is directed to methods, systems, procedures, networks and storage apparatus used to conduct conversions of data using remote conversion servers. In one embodiment of the present...
7954373 Thermal type flow meter  
There is provided a thermal type flow meter capable of accurately detecting a flow rate even when a fluid temperature varies rapidly or when the fluid temperature is high. A probe includes: a...

Matches 1 - 50 out of 417 1 2 3 4 5 6 7 8 9 >