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| Number | Title | Issue Date |
| 8100016 | Vibratory sensor A vibratory sensor includes a resonator element including (i) a first base portion and a second base portion, each ot the first and the second base portions having an upper main surface and a lower main surface, (ii) a resonating arm extended in a beam shape between... | 01/24/2012 |
| 7878066 | Vibration measurement system The invention relates to a vibration measurement system for frequency-selective oscillation measurement in particular of low frequencies as are relevant in the field of automation and drive technology. The invention proposes coupling a broadband transmitter structur... | 02/01/2011 |
| 7819012 | Vibration measuring system A vibration measuring system for the frequency-selective measuring of especially low-frequency vibrations relevant in the area of automation and motive power engineering is disclosed which allows an economical vibration analysis of frequencies in the range of from 0... | 10/26/2010 |
| 7707888 | Vibration sensor and method of detecting vibration A vibration sensor for detecting a vibration of a vibrating object includes a plurality of detecting members. Each of the detecting members includes a vibrating portion disposed to be separated from the vibrating object, a transmitting portion for transmitting the v... | 05/04/2010 |
| 7600429 | Vibration spectrum sensor array having differing sensors According to embodiments of the present invention, vibration sensor array includes at least two microelectromechanical systems (MEMS) vibration sensors formed on a substrate. The vibration element of the first vibration sensor is a different type than the vibration ... | 10/13/2009 |
| 7559242 | Silicon micromachined ultra-sensitive vibration spectrum sensor array (VSSA) An apparatus comprising a substrate and an array of vibration sensors formed on the substrate, the array comprising two or more vibration sensors, wherein each vibration sensor in the array has a different noise floor and a different operational frequency range than... | 07/14/2009 |
| 7503219 | Monitoring and diagnosing a technical installation using purely mechanically activated signaling means A specific failure occurring during operation of a technical installation is detected by acquiring an acoustic and/or optical signal emitted by a device assigned to at least one component of the technical installation whereby the device is being activated mechanical... | 03/17/2009 |
| 7493818 | Drop shock measurement system and acceleration sensor element used in the same The drop impact measuring system has i) a plurality of bimorph-type acceleration sensor containing a plurality of free vibrating sections each of which has individual draw-out electrodes; ii) a switch section for selecting output from the bimorph-type acceleration s... | 02/24/2009 |
| 7444877 | Optical waveguide vibration sensor for use in hearing aid A directionally-sensitive device for detecting and processing vibration waves includes an array of polymeric optical waveguide resonators positioned between a light source, such as an LED array, and a light detector, such as a photodiode array. The resonators which ... | 11/04/2008 |
| 7357031 | Precision sensor assembly for rotating members in a machine tool A precision sensor assembly for rotating members in a machine tool comprises a rotor unit (16) rigidly fixed to a rotor portion (2a) of the machine tool and including a sensor (5) for detecting vibrations produced by the operation of the ... | 04/15/2008 |
| 7353706 | Weighted released-beam sensor A released-beam sensor includes a semiconductor substrate having a layer formed thereon, and an aperture formed in the layer. A beam is mechanically coupled at a first end to the layer and suspended above the layer such that a second end forms a cantilever above the... | 04/08/2008 |
| 7351018 | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool A method and apparatus for measuring a hole depth in a composite-material workpiece machined by a orbital cutting tool, including the steps of applying a low-level electric potential to an electrically insulated cutting tool having a cutting head with radial and axi... | 04/01/2008 |
| 7340791 | Washing machine and method of controlling the same A washing machine and a control method thereof are provided, which control a rotational speed of a rotary tub (or revolutions per minute: RPM of a motor) according to a vibration level thereof to attenuate a vibration of the rotary tub. The washing machine includes ... | 03/11/2008 |
| 7341325 | Droplet ejection apparatus and method of detecting ejection failure in droplet ejection heads It is an object of the invention to provide a droplet ejection apparatus and a method of detecting an ejection failure in droplet ejection heads capable of detecting an ejection failure in the droplet ejection heads by counting the number of reference pulses generat... | 03/11/2008 |
| 7337651 | Method for performing model based scanplan generation of a component under inspection A method for generating a scanplan for inspection of a component is provided. The method includes loading a geometric model of the component and generating the scanplan of the component based on the geometric model and at least one scanning parameter. A method of in... | 03/04/2008 |
| 7317994 | Method and apparatus for signal signature analysis for event detection in rotating machinery A method for analyzing vibration including: acquiring a vibration signal; isolating a vibration signal event in the acquired signal; determining a frequency of a damped sinusoid of the vibration signal event, wherein the damped sinusoid characterizes the vibration s... | 01/08/2008 |
| 7305867 | Engine knock sensor The piezoelectric element of an engine knock sensor is held between upper and lower ring-shaped bases by two identical clips that extend through the piezoelectric element and engage each base. Each clip has a ring-shaped flange engaging a groove circumscribing the i... | 12/11/2007 |
| 7262542 | Ultrasound radiation device into a material When input electric signals Ei (i=1, 2, . . . , n) with frequencies fi (i=1, 2, . . . , n), respectively, are applied to an input interdigital transducer, elastic waves are excited in a piezoelectric substrate. Leaky components of the elastic w... | 08/28/2007 |
| 7213460 | Ultrasonic sensor A receiver of an ultrasonic sensor includes reception elements, each of which has a shape of a flat rectangular plate. The reception elements are arranged one-dimensionally on a plane so that the reception surfaces face the same direction and that the reception elem... | 05/08/2007 |
| 7196261 | Electronic percussion instrument for producing sound at intended loudness and electronic percussion system using the same An electronic drum includes a pad to be beaten with sticks, a circular piezoelectric converter for converting stress to an electric signal and a semi-circular filter element adhered at one surface to the pad and at the other surface to the circular piezoelectric con... | 03/27/2007 |
| 7179674 | Bi-directional released-beam sensor An acceleration sensor includes a semiconductor substrate, a first layer formed on the substrate, a first aperture within the first layer, and a beam coupled at a first end to the substrate and suspended above the first layer for a portion of the length thereof. The... | 02/20/2007 |
| 7162913 | Method of evaluating restitution characteristic of golf club, system for evaluating restitution characteristic, and golf club A method of evaluating restitution characteristics of a golf club head, a system for evaluating the restitution characteristics and a golf club, are provided in which a coefficient of restitution of a golf club head is inferred and obtained without disassembling the... | 01/16/2007 |
| 7147486 | Method and apparatus for attaching a sensor assembly in a control unit A control unit for a safety restraint device includes a main printed circuit board that supports lateral and vertical acceleration sensors and an auxiliary printed circuit board that supports rollover sensors. The main and auxiliary printed circuit boards are spaced... | 12/12/2006 |
| 7138747 | Damping and stabilization for linear motor stage A system that facilitates damping of mechanical vibration associated with machinery that is subject to such mechanical vibration. The system comprises machinery with at least one moveable part and a piezoelectric actuator that is selectively applied to the machinery... | 11/21/2006 |
| 7116035 | Sound/vibration resonance separating device A sound/vibration resonance separating device for resonance-separating and instantly visualizing sound and vibration having one of various frequencies by fixing vibrators such as a plurality of piano wires to a rigid body. In other words, the device is an auditory m... | 10/03/2006 |
| 7077751 | Portable and stationary game machine system A game system including a stationary game machine requiring an external power supply, such as a coin-operable business-use game machine or a home game machine, and a portable game machine having an internal power supply. Game programs for raising game characters are... | 07/18/2006 |
| 7066028 | Acoustic sensor for monitoring machining processes in machining tools An acoustic sensor for monitoring machining processes in machining tools, e.g. grinding machines, includes a stationary unit, or stator (21) and a rotating unit, or rotor (23), the latter being coupled, for instance, to the grinding wheel and rotating ... | 06/27/2006 |
| 7043986 | Vibrators and vibratory gyroscopes A vibrator for generating a signal for measuring a physical quantity using a vibrator is provided, including at least one bending vibration arm vibrating in bending mode along a specified plane and having a first end, an opposed second end, and first and second main... | 05/16/2006 |
| 7012354 | Method and structure for a pusher-mode piezoelectrically actuated liquid metal switch A method and structure for an electrical switch. According to the structure of the present invention, a liquid-filled chamber is housed within a solid material. A plurality of switch contacts within the liquid-filled chamber are coupled to the solid material, while ... | 03/14/2006 |
| 6942619 | Ultrasound radiation device An ultrasound radiation device comprises a piezoelectric substrate, an interdigital arrangement of two comb-shaped electrodes formed on an upper end surface of the piezoelectric substrate, a counter electrode formed on a lower end surface of the piezoelectric substr... | 09/13/2005 |
| 6925223 | Pressure actuated optical latching relay A pressure actuated optical relay containing a transparent mirror housing, located at the intersection of two optical paths. A liquid metal slug is moved within a channel passing through the transparent mirror housing by the action of pressure exerted by an actuatio... | 08/02/2005 |
| 6918188 | Performing measurement or calibration on positioning machines Apparatus which can be used to calibrate, or provide measurement data on, a machine. The apparatus comprises two structures each with three spherical supports spaced in a triangular array thereon. The supports may be balls or sockets. The structures are interconnect... | 07/19/2005 |
| 6913472 | Method and apparatus for attaching a sensor assembly in a control unit A control unit for a safety restraint device includes a main printed circuit board that supports lateral and vertical acceleration sensors and an auxiliary printed circuit board that supports rollover sensors. The main and auxiliary printed circuit boards are spaced... | 07/05/2005 |
| 6901802 | Acoustic sensors using microstructures tunable with energy other than acoustic energy A sensor for detecting acoustic energy includes a microstructure tuned to a predetermined acoustic frequency and a device for detecting movement of the microstructure. A display device is operatively linked to the movement detecting device. When acoustic energy stri... | 06/07/2005 |
| 6903493 | Inserting-finger liquid metal relay An electrical relay comprising having two wettable electrical contacts supporting a conducting liquid. A non-wettable switch finger is moved between first and second positions between the electrical contacts by action of an actuator. In the first position the switch... | 06/07/2005 |
| 6903490 | Longitudinal mode optical latching relay A piezoelectric optical relay array having one or more array elements. Each array element contains a transparent mirror housing, located at the intersection of two optical paths. A liquid metal slug is moved within a channel passing through the transparent mirror ho... | 06/07/2005 |
| 6895131 | Hermetic seal for use in converting optical signals to electrical signals The present invention provides a configuration where all optical parts of a monitoring system are contained within a seal and within the generator itself. Non-optical preamplifier functions may also be placed within the seal. In this configuration there is an electr... | 05/17/2005 |
| 6848314 | Data receiving device for use in an impulse-based data transmission system A device (10) for receiving date transmitted as impulses through an input transmission body (16) is provided. The device (10) has a vibration sensitive transducer (50) which constitutes part of a floating mass assembly (40) with a ... | 02/01/2005 |
| 6848315 | Vibration detecting system of resilient body and vibrating contact detection probe A stylus structure (40) integrally incorporating a stylus (2), a vibrator (4), a detector (6), a first secondary magnetic circuit (12) and a second primary magnetic circuit (21), and a stylus support (30) integrally i... | 02/01/2005 |
| 6829938 | Method and apparatus for selecting trees for harvest A method for selecting trees for harvest according to a predetermined criterion is provided which includes at least the steps of applying a vibrative member to the tree, vibrating the vibrative member, determining the resonance properties of the vibrative member, ca... | 12/14/2004 |
