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8438931 |
Semiconductor strain sensor
A semiconductor strain sensor having a strain sensor chip composed of a semiconductor substrate having a piezoresistive element as a strain detection section. The semiconductor strain sensor has a...
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8434374 |
Sub-threshold forced plate FET sensor for sensing inertial displacements, a method and system thereof
The present invention relates to a Sub-threshold Field Effect Transistor (SF-FET). The invention integrates a MEMS mechanical transducer along with the sensing mechanism in a single device. Forced...
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8436436 |
Multifunctional nanoscopy for imaging cells
Disclosed herein is an apparatus for sensing characteristics of an object. In a preferred embodiment, the apparatus comprises an array, wherein the array comprises a plurality of nanoscale hybrid...
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8429981 |
Method of measuring a physical parameter and electronic interface circuit for a capacitive sensor for implementing the same
The measuring method is for measuring a physical parameter using an electronic interface circuit (1) for a capacitive sensor (2) with at least two capacitors (C1X, C2X) whose common electrode (CM)...
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8413519 |
Contact detector with piezoelectric sensor
Disclosed is an apparatus and methodology for detecting contact within a monitored area. A piezoelectric sensor (40) is attached to one end of detector (100), which is positioned, for contact by...
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8397580 |
Multi-ferroic structural health monitoring systems and methods
A method for testing a multiple layer structure is described. The method includes monitoring strains experienced by strain sensitive, magnetic particles disbursed within an adhesive between a first...
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8393646 |
Pipe connection with readable crimping marker
In an aspect, in general, a pipe connection with readable compression marker is provided with a fitting to which a pipe end can be connected, a pipe with an end connectable to fitting and a...
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8387468 |
Method and apparatus for a self-powered RFID-readable pedometer
A device, system and method for analyzing a user's motion using a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations, an EEPROM to...
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8387464 |
Laterally integrated MEMS sensor device with multi-stimulus sensing
A microelectromechanical systems (MEMS) sensor device (20) includes a substrate (22) having sensors (24, 26) disposed on the same side (28) of the substrate (22) and laterally spaced apart from one...
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8381601 |
Transducer matrix film
A transducer system includes a plurality of transducer elements formed on a flexible substrate with localized circuit elements and interconnects associated with each transducer element.
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8365609 |
Mechanical-quantity measuring device
A mechanical-quantity measuring device capable of measuring a strain component in a specific direction with high precision is provided. At least two or more pairs of bridge circuits are formed...
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8359931 |
Shear force detection device, tactile sensor and grasping apparatus
A shear force detection device for detecting a shear force includes: a support body including an opening defined by a pair of straight parts perpendicular to a detection direction of the shear...
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8347726 |
Free-standing nanowire sensor and methods for forming and using the same
A sensing device includes a nanowire configured to deform upon exposure to a force, and a transducer for converting the deformation into a measurement. The nanowire has two opposed ends; and the...
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8347727 |
Multi-format, binary code symbol for non-linear strain measurement
A binary code symbol for non-linear strain measurement that can be constructed in any geometric shape having a solid, continuous perimeter containing straight line segments. The symbol includes...
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8347728 |
Stress detection within an integrated circuit having through silicon vias
An integrated circuit 2 is formed of multiple wafer layers 4, 6, 8, 10 arranged in a stack and connected with through silicon vias 12. Mechanical strain sensors 26, 28, 30, 32 in the form of ring...
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8327715 |
Force sensor apparatus
A force sensor apparatus and method of forming the same. The apparatus includes a force sense element that can be attached to a substrate. An actuator disposed in a hole formed within the cap is...
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8307715 |
Directly applied read and transmit—digital strain encoder and digital load cell
A digital strain encoder includes a gage-emitter, a sensor-receiver, a transmitter, and an energy source. The gage-emitter is affixable to a surface to be measured and deformable on a one-to-one...
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8286497 |
Strain sensor
Improved microwire strain sensor elements (20, 40, 52, 62) and corresponding methods are provided, which permit accurate, wireless strain monitoring of a variety of structures, including composite...
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8272273 |
Strain measurement device and method of strain measurement using the same
A strain measurement device includes a strain gauge, a holding device, a transverse strain recorder, and a data processing device. The strain gauge includes at least one first and at least one...
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8250927 |
Flexible, stretchable, and distributed strain sensors
Methods and systems for sensing strain are disclosed. A thin film sensor includes a thin film polymer matrix that has two electrical terminals, conductive nanoparticles dispersed within the polymer...
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8245583 |
Sensing module having a piezo-resistive sensor for orthopedic load sensing insert device
A sensing insert device (100) is disclosed for measuring a parameter of the muscular-skeletal system. The sensing insert device (100) can be temporary or permanent. Used intra-operatively, the...
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8240218 |
Stress sensing devices and methods
Embodiments relate to stress sensing devices and methods. In an embodiment, a sensor device includes an active layer; and at least three contacts spaced apart from one another in the active layer,...
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8186228 |
Strain measuring device
A strain measuring device includes a bridge circuit comprising a p-type impurity diffused resistor as a strain detecting portion and a bridge circuit comprising an n-type impurity diffused resistor...
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8171806 |
Force detection element
A temperature compensated force detection element is provided with a substrate, an insulation layer disposed above the substrate, and a p-type semiconductor layer disposed above the insulation...
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8163585 |
Method for manufacturing a sensor element, and sensor element
A method for manufacturing a capped sensor element by providing a substrate with a sensor structure, the sensor structure being produced in the substrate using a sacrificial material, applying a...
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8151649 |
Physical quantity sensor device and method of manufacturing the same
A physical quantity sensor device (10) having a structure in which a stress-sensitive body (1) of which the electric characteristics vary depending upon the application of stress and an insulator...
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8141431 |
Load sensor having load detection element and support element and method for manufacturing the same
A method for manufacturing a load sensor including a load detection element and a support element is provided. The support element includes a base and a spring. The spring includes a support...
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8132468 |
Flexural deformation sensing device and a user interface using the same
A sensing device is provided for measuring flexural deformations of a surface. Such a sensing device may be used as a user interface in portable electronic devices. The sensing device comprises at...
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8109149 |
Contact stress sensor
A contact stress sensor includes one or more MEMS fabricated sensor elements, where each sensor element of includes a thin non-recessed portion, a recessed portion and a pressure sensitive element...
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8100020 |
Compliant and wireless health monitoring sensors for composite structures
A sensor is provided. The sensor includes a substrate having at least one intrinsically conductive polymer coated on at least a first surface thereof and at least a first and second conductive...
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8091437 |
Transducer matrix film
A transducer system includes a plurality of transducer elements formed on a flexible substrate with localized circuit elements and interconnects associated with each transducer element.
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8074524 |
Piezoelectric measuring element with transverse effect and sensor comprising such a measuring element
A piezoelectric measuring element comprises at least one bar with transverse effect which can be used with two conductor technology. Poles comprising the metallizations, electrodes and lines in the...
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8071413 |
Micro-electro-mechanical system (MEMS) sensor and method for making same
The present invention discloses an MEMS sensor and a method for making the MEMS sensor. The MEMS sensor according to the present invention includes: a substrate including an opening; a suspended...
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8056420 |
Self-powered sensor
A self-powered sensor is provided for fatigue monitoring and other low power requirement applications. The self-powered sensor is comprised of: a piezoelectric transducer; a non-volatile memory...
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8056421 |
Apparatus for measuring a mechanical quantity
An apparatus structure and measurement method are provided to retain high precision and high reliability of a semiconductor mechanical quantity measuring apparatus which senses a mechanical...
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8042404 |
Stress detection circuit and semiconductor chip including same
A stress detection circuit includes a function block and a detection signal generation circuit. The function block outputs a first voltage such that the first voltage is varied depending on an...
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8006566 |
Screening of silicon wafers used in photovoltaics
A method for screening silicon-based wafers used in the photovoltaic industry is provided herewith.
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7997145 |
System for preloading piezoelectric actuators and method
A system for preloading piezoelectric actuators includes a fixture, a preloading mechanism configured to apply a mechanical force to a piezoelectric element supported by the fixture, and a sensor...
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7997144 |
System and method of measuring quasi-static force with a piezoelectric sensor
A system and method employing a piezoelectric sensor for quasi-static force measurement substantially free of drift and with improved low-frequency response. The output signal from the sensor is...
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7992448 |
Mechanical-quantity measuring device
A mechanical-quantity measuring device capable of measuring a strain component in a specific direction with high precision is provided. At least two or more pairs of bridge circuits are formed...
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7992447 |
Miniature sensor
A strain sensing apparatus including a deformable substrate is presented. The deformable substrate is configured to detect a strain of the body that can be coupled to the deformable substrate....
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7971489 |
Carbon nanotube-based load cells
A robust, stand-alone load cell comprises a block of aligned carbon nanotubes with parallel electrodes on opposing sides of the block and an electrical circuit connected between the electrodes for...
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7963171 |
High temperature strain gages
A ceramic strain gage based on reactively sputtered indium-tin-oxide (ITO) thin films is used to monitor the structural integrity of components employed in aerospace propulsion systems operating at...
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7938012 |
Smart coat for damage detection information, detecting device and damage detecting method using said coating
A smart coat with damage following feature for damage detection information, a detecting device and a damage detecting method using said smart coat, the smart coat could be set on a subject body...
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7938013 |
Method and apparatus for a self-powered RFID-readable pedometer
A device, system and method for analyzing a user's motion using a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations, an EEPROM to...
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7938016 |
Multiple layer strain gauge
An apparatus and method uses a die having at least one perimeter side with multiple pads. A structure is positioned between the at least one perimeter side and the multiple pads having multiple...
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7934429 |
Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same
A stress-distribution detecting semiconductor package group includes multiple stress-distribution detecting semiconductor packages each formed by resin-encapsulating a stress detecting...
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7926355 |
Micromechanical part with an opening for fastening to a spindle
This micromechanical part is intended to be fastened to a spindle and has at least one opening (10, 20, 30) whose edges comprise an alternating arrangement of rigid areas (11) and elastic areas...
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7911315 |
Miniature pressure sensor assembly for catheter
A pressure sensor assembly configured for use with a catheter. In one illustrative embodiment, the pressure sensor assembly may include a multi-layer co-fired ceramic (MLCC) package. The MLCC...
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7905149 |
Physical sensor and method of process
There is provided a physical sensor which ensures long-term reliability and can be miniaturized and increased in density, and a method of producing the same. A physical sensor includes a supporting...
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