Class / Patent application number | Description | Number of patent applications / Date published |
073778000 | Vibratory element | 13 |
20110107841 | PIEZORESISTIVE STRAIN SENSOR BASED NANOWIRE MECHANICAL OSCILLATOR - An apparatus is provided and includes compressed conductive elements that each have independently adjustable dimensions sufficient to provide substantially enhanced piezoresistance to a current flowing across each conductive element with each of the conductive elements subjected to compressive strain, the conductive elements being oscillated in a direction parallel to that of the compressive strain at a defined frequency such that a resistance of the conductive elements to the current is thereby substantially reduced. | 05-12-2011 |
20110132098 | STRESS GAUGE HAVING AN ACOUSTIC RESONANT STRUCTURE AND SENSOR FOR AT LEAST ONE PHYSICAL PARAMETER USING SUCH STRESS GAUGE - The invention relates to a stress gauge of the type having an acoustic resonant structure, including a piezoelectric transducer ( | 06-09-2011 |
20120144925 | Apparatus, method, and computer program product for sensing flexural deformation - 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 least one cell. The cell comprises a first electrode, a central electrode, a second electrode, a first piezoelectric sensing layer placed between the first electrode and the central electrode, a second piezoelectric sensing layer placed between the central electrode and the second electrode, and a circuit connected to the first, second and the central electrodes. The circuit is configured to measure a first electrical signal between the first electrode and the central electrode, and a second electrical signal between the second electrode and the central electrode. At least one of the first electrical signal and the second electrical signal is responsive to an external stress applied on the sensing device. | 06-14-2012 |
20120167695 | BRAZED JOINT STRAIN SHIFT DETECTION METHOD FOR MONITORING INSTRUMENT HIGH CYCLE FATIGUE LIFE - A method of determining when a component exceeds a predetermined stress level that is less than a fatigue failure level for the component comprising providing a braze joint in a high stress area of a target component, the braze joint designed to accommodate stress/strain up to the predetermined threshold level; measuring strain at the braze joint; observing a shift in strain indicative of a failed brazed joint; utilizing information obtained to repair, replace or set a remaining service life for the target component. | 07-05-2012 |
20120272742 | NEMS COMPRISING ALSI ALLOY BASED TRANSDUCTION MEANS - The invention relates to a nano electro- mechanical system (NEMS) formed on a substrate ( | 11-01-2012 |
20120304778 | STRESS-DETECTING ELEMENT, SENSOR MODULE, AND ELECTRONIC APPARATUS - A stress-detecting element includes a support body, a support film, a first piezoelectric element, first and second elastic parts. The support body has an opening part with first and second rectilinear sections extending parallel to each other. The support film blocks off the opening part. The first piezoelectric element straddles the first rectilinear section from an interior area to an exterior area of the opening part as seen in plan view. The first elastic part straddles the first rectilinear section from the interior area to the exterior area of the opening part. The second elastic part straddles the second rectilinear section from the interior area to the exterior area of the opening part. The first and second elastic parts respectively have first and second elastic end sections disposed in the interior area of the opening part and spaced apart from each other. | 12-06-2012 |
20130068032 | MECHANICAL STRESS DETECTOR - A detector including: a control device configured to provide an electrical control signal in response to a mechanical stress; an emission transducer configured to convert the electrical control signal into a detection signal; a supply piezoelectric element connected electrically to the control device and configured to provide, when mechanically excited, an electrical supply energy to the control device; and a device for mechanically exciting the supply piezoelectric element using the mechanical stress. | 03-21-2013 |
20130098163 | ERYTHROCYTE MECHANICAL FRAGILITY TESTER USING DISPOSABLE CARTRIDGES - A device for testing erythrocyte membrane mechanical fragility that incorporates single-use disposable containers for holding cell samples, the device comprising: a stressor for subjecting a sample comprising red blood cells to a mechanical stress capable of causing hemolysis, wherein said sample remains within a disposable component during the subjecting; and a detector for direct or indirect measurement of said hemolysis present in said sample after particular extent(s) of said stress, whereby said measurement can occur while said sample remains within said component. In addition, the present disclosure specifically addresses such systems wherein said mechanical stress is ultrasonic stress. | 04-25-2013 |
20130305834 | DEVICE FOR CONVERTING A FORCE OR A PRESSURE INTO AN ELECTRICAL SIGNAL AND METHOD FOR PRODUCING SUCH A DEVICE - The invention relates to a device ( | 11-21-2013 |
20140338462 | STRESS-DETECTING ELEMENT, SENSOR MODULE, AND ELECTRONIC APPARATUS - A stress-detecting element includes a support body, a support film, a first piezoelectric element, first and second elastic parts. The support body has an opening part with first and second rectilinear sections extending parallel to each other. The support film blocks off the opening part. The first piezoelectric element straddles the first rectilinear section from an interior area to an exterior area of the opening part as seen in plan view. The first elastic part straddles the first rectilinear section from the interior area to the exterior area of the opening part. The second elastic part straddles the second rectilinear section from the interior area to the exterior area of the opening part. The first and second elastic parts respectively have first and second elastic end sections disposed in the interior area of the opening part and spaced apart from each other. | 11-20-2014 |
20140360281 | STRESS MEASUREMENT SENSOR - A stress measurement sensor provided with a sensor element that operates according to the SAW principle, comprising a base composed of a first material and the sensor element, which is fixed to the base with a joining material, is to be developed such that it can also be used at higher temperatures and has improved measurement properties. In addition, it is suggested that the joining material be a glass solder. | 12-11-2014 |
20150013468 | STRAIN SENSOR USING SAW TECHNOLOGY - A strain sensor for determining a strain experienced by a body under test in response to forces exerted on the body-under-test. The strain sensor comprises an interface member mounted on a surface of the body-under-test and a SAW sensor mounted on a surface of the interface member. The strain in the body-under-test is translated to strain in the SAW sensor and determined by the SAW sensor. The strain in the SAW sensor is responsive to the strain in the body-under-test. | 01-15-2015 |
20150082898 | STRAIN SENSOR - A strain sensor includes a package to be connected to a strain generating body, a detector configured to convert a mechanical strain of the strain generating body into an electric signal and output the electric signal, and a processor chip connected to an upper surface of the package and separated from a detector. A recess is provided in the upper surface of the package. The detector is accommodated in the recess and joined to the recess. This strain sensor can have a small size. | 03-26-2015 |