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8146434 Apparatus for measuring vibration characteristics of head gimbal assembly  
An apparatus for measuring the vibration characteristics of a head gimbal assembly can grasp resonant characteristics at high frequencies and efficiently measure the vibration characteristics of...
8113057 Switched resonant ultrasonic power amplifier system  
A switched resonant power amplifier system for ultrasonic transducers is disclosed. The system includes an amplifier that receives and processes a driver output signal for generating a drive signal...
8037768 Vibrometer mounting mechanism  
Adjustment of the distance between the tip of a pickup section and the outer surface of a shaft of a rotor can be carried out easily and with high precision. In a vibrometer mounting mechanism...
8006561 Detection sensor  
It is an object of the present invention to provide a technique that can realize improvement of sensitivity of a vibrator. A platform 50 to which a substance adheres or sticks is provided to be...
8006554 Filter and SPE plate clogged well detection  
The invention provides a method, a system, and a computer readable medium for determining the fill-ready status of one or more wells of a plurality of wells formed in a filter or solid-phase...
7975551 Piezoelectric vibrator  
A piezoelectric vibrator including a pair of first piezoelectric elements having the same rectangular parallelepiped shape and polarized in opposite directions; and a pair of second piezoelectric...
7966885 Sonotrode especially for accelerating shot for ultrasonic shot peening  
A sonotrode for accelerating shot for ultrasonic shot peening, includes at least one vibration exciter and a cover element that has an output side of the sonotrode, wherein the cover element is to...
7952347 Systems and methods of reducing a component of a signal caused by vibration  
A vibration detection circuit. The circuit includes an accelerometer, a combining filter, an amplifier, and an analog to digital converter. The accelerometer generates one or more signals...
7854903 Reaction chamber system for processing samples  
The invention relates to a reaction chamber system (10, 70) for processing samples, comprising a reaction chamber (12), a sample carrier (26) arranged at least in the reaction chamber (12). When in...
7793547 Self-supporting and self-aligning vibration excitator  
A vibration excitator is described, comprising: a main body (2); a stinger (3) which is adapted to move relative to the main body (2), in a particular working direction; an actuator (5) coupled to...
7784349 Vibrator table frame  
In a preferred embodiment, a vibrator table apparatus includes a primary table member driven by at least two vibrators, having upper and lower surfaces and defining x and y axes. The improvement of...
7764038 Devices, systems, and methods for relieving stress  
Certain exemplary embodiments comprise a method that can comprise, via a device that originates sub-harmonic vibrations, applying a vibration treatment, to a rotor of an electric motor for a...
7726190 Device, method and program for inspecting microstructure  
A speaker unit has a plurality of sound sources each outputting a sound wave. The compressional, sound wave output from the speaker unit arrives, or vibrates air, which moves a movable part of a...
7644619 Piezoelectric vibrator and ultrasonic motor having piezoelectric vibrator  
A piezoelectric vibrator and an ultrasonic motor having the piezoelectric vibrator. A piezoelectric vibrator has a multilayered piezoelectric actuator, with special internal and surface electrodes...
7590495 Inverse method to calculate material properties using a non-resonant technique  
A method for calculating material properties of a material includes determining a dilatational wavespeed and a shear wave speed. The dilatational wavespeed is determined by conducting vertical...
7587057 Vibroacoustic emulator  
The present invention is directed towards a family of vibroacoustic emulators to simulate the vibroacoustic characteristics of components of an electronic device. Specific embodiments for...
7549340 Apparatus for measuring vibration characteristic of head gimbal assembly  
An apparatus surely measures the vibration characteristic of a head gimbal assembly and has a wide range of resonance frequencies to be set, the apparatus has a first laser Doppler vibrometer to...
7383732 Device for inspecting micro structure, method for inspecting micro structure and program for inspecting micro structure  
Test sound wave is outputted from a speaker. A movable part of a three-axis acceleration sensor, which is a micro structure of a chip to be tested TP, moves due to the arrival of the test sound...
7363818 Programmable vibrator  
A pneumatic vibrator for generating a series of force impulses whose frequency, duration, magnitude and shape can be statically and dynamically programmed by varying mechanical, pneumatic, or...
7299698 Vibration test module having controllable vibration attributes  
The present vibration test module enables a test engineer in the field of vibration test systems to precisely implement a vibration environment that is applicable to a wide range of applications...
7213461 Torsional shaker apparatus for inspecting rotatable power generation machinery  
Apparatus for applying torsional vibration to a rotating machine is provided. In one exemplary embodiment the apparatus includes a permanent magnet machine (12) connected to the rotating machine...
7187184 Prevention of robot damage via capacitive sensor assembly  
A capacitive sensor assembly for a robot to prevent damage to the robot when it moves in an undesired manner is disclosed. The robot may be used in conjunction with semiconductor fabrication...
7162944 Continuous reciprocating linear motion device  
A linear fluid piston device not requiring a fluid valve to operate and has operating piston stroke capabilities beyond traditional vibration fluid devices. The linear fluid device features (a) a...
7131238 Method of testing seismic braces  
Braces for bracing objects in structures against forces due to earthquakes are tested by subjecting components of the braces for attaching the braces to the object or structure to cyclic loading of...
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...
7040171 Carrier tape vibrator module  
A vibrator module adapted for use in a taper apparatus for advancing carrier tape having a plurality of compartments and for placing parts in the compartments. The vibrator module includes a motor...
7037268 Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods  
A low profile acoustic array (10) is configured to selectively respond to shear waves while rejecting compression wave energy in the frequency range of interest. One sensor array is configured as a...
6920794 Method and apparatus for rotary machine vibration control  
A vibration control system for a rotary machine having a rotor, includes a sensor disposed within the rotary machine for sensing vibration of the rotor, a vibration damping device disposed within...
6904807 Shakers and methods of testing  
Shakers and methods of testing suitable for various applications, including those presenting adverse test environments. The shakers have a permanent magnet assembly mounted in a sealed housing for...
6881963 Vibration control of an object  
An apparatus for controlling motion of an object includes a first actuator for moving the object, an elastic-motion measuring unit for measuring elastic motion of the object, and a control unit for...
6851320 Closed-form head expander  
The closed-form HEAD EXPANDER comprises a table surface; one end of each edge surface having a curved side; a trumpet body with a plurality of cambered surfaces downwards reduced from the curved...
6843128 Method for determining automotive brake structure vibration damping and friction material bonding  
A method and apparatus for determining the vibration damping characteristics of an automotive brake structure measures the vibration response of a brake structure during application of...
6779404 Method for vibration analysis  
Output-only modal testing of an object. Vibrations are excited in said object and measured by a number of vibration sensitive detectors. From the data of the measurements, a spectral density matrix...
6750776 Machines having drive member and method for diagnosing the same  
A method for diagnosing a fabrication machine for a semiconductor device, in which damage condition of components for fast driving can be recognized and failure of the components can be predicted,...
6742393 Vibration control apparatus, vibration control method, exposure apparatus, and device manufacturing method  
The object of this invention is to constitute a high-accuracy position control system even for a low-rigidity object to be controlled. To achieve this object, a vibration control apparatus includes...
6721668 Vibration exciting apparatus and vibration testing apparatus for structure using same  
The testing performs a vibration excitation testing of a part of the structure, performs a numerical calculus of vibration response of the other parts of the structure, and calculates the vibration...
6718270 Vibration testing device and vibration response evaluating method  
A vibration testing device includes a computer system having: a measurement processing block for inputting an output of the monitoring sensor and processing the output; a model substituting block...
6684681 Mechanical ultrasonic and high frequency sonic device  
A mechanical ultrasonic device that includes a housing assembly, a mechanical vibration assembly disposed within the housing assembly, and having an impact member. The mechanical vibration assembly...
6668650 Vibration testing apparatus and method using acoustical waves  
A vibration testing system using acoustical waves having a testing unit including a main enclosure defining a main acoustical cavity and having a baffle provided with a main opening which is...
6666096 Vibrator, vibration gyro using the vibrator, and electronic device using the vibration gyro  
A vibrator has a construction that allows its electrodes to be easily formed and requires a smaller number of the assembly man-hours. The vibrator includes a drive electrode and two detection...
6662118 Modular monitoring and protection system accommodating multiple standard communications  
A monitoring and protection system includes a plurality of monitoring modules that are positioned proximate to points of interest in a machine system where dynamic operating conditions are to be...
6637271 Method and apparatus for identifying and eliminating vibration symptoms in hydraulic clutch actuators  
The present invention provides a method and apparatus for identifying and eliminating vibration in a hydraulic clutch actuator. The vibration is identified by using transducers to characterize the...
6629042 Testing system and testing method for structure  
The present invention discloses a testing system and a testing method for a structure which tests a structure made of a test piece structure and a numerical model virtually connected to the...
6622563 Vibration testing apparatus arranged to vibrate in multiple axes, method of vibration testing, and method of setting up vibration testing apparatus  
A vibration testing apparatus is arranged to provide vibration in multiple axes and includes a first frame member, at least one actuator connected to the first frame member for vibrating the first...
6619126 Mechano-electrical sensor  
A mechano/electrical sensor senses force or vibration and delivers at least one electrical signal that is a function of the sensed force or vibration. The sensor has at least one inner body...
6595058 Method and apparatus for determining dynamic response of microstructure by using pulsed broad bandwidth ultrasonic transducer as BAW hammer  
A method and/or an apparatus for determining the dynamic response of a microstructure is disclosed. A piezocomposite ultrasonic transducer device formed of a piezoelectric material and a polymer...
6571637 Flexure assembly  
Flexure assemblies include steel plates or pieces of metal material that are rigid in at least one direction but flexible in at least one other direction. One arrangement of components provides a...
6522388 Vibration eliminator, exposure apparatus and projection exposure method  
The columns of an aligner are placed on a surface plate. Actuators are provided between the surface plate and leg parts of the column. Acceleration sensors are attached to the surface plate and the...
6510738 Device and method for measuring vibration  
The present invention discloses a vibration measuring device for measuring a vibration of an object. Such device includes a sensing body generating a dynamic information in response to the...
6467353 System and method for using a surrogate component in shock testing  
A surrogate component for shock testing is disclosed that includes a housing with exterior dimensions, mass, and a center of gravity approximately the same as the exterior dimensions, mass, and...
Matches 1 - 50 out of 145 1 2 3 >