Patent application number | Description | Published |
20090050988 | MEMS APPARATUS AND METHOD OF MANUFACTURING THE SAME - A MEMS apparatus includes a MEMS unit formed on a semiconductor substrate and a cover provided with a pore and serving to seal the MEMS unit. The pore is sealed with a sealing material shaped in a sphere or a hemisphere. | 02-26-2009 |
20100077858 | INERTIA SENSOR - A multi-axis accelerometer or a multi-axis angular rate sensor which can be made by an easy process and the size of which can be greatly reduced is provided. An inertia sensor has a substrate, a flat proofmass formed on the substrate and a stacked structure including at least a lower electrode, a piezoelectric film, and an upper electrode, an anchor unit formed in a cutout inside of the proofmass and fixed on the substrate, and a plurality of flat piezoelectric beams each having one end connected to the proofmass, the other end connected to the anchor unit, and a stacked structure formed in a cutout inside of the proofmass and including at least a lower electrode, a piezoelectric film, and an upper electrode, wherein the inertia sensor enables to detect an acceleration applied on the proofmass based on charges generated to the electrodes of the piezoelectric beams. | 04-01-2010 |
20110234206 | ACCELERATION SENSOR - The present embodiments provide an acceleration sensor, which enables highly accurate detection and has an extremely compact size. The acceleration sensor of the present embodiments is provided with a substrate, a anchor portion formed on the substrate, a support beam, which has one end connected to the anchor portion and extends across a space from the substrate, and a proof mass which is connected to the other end of the support beam and held across a space from the substrate. The acceleration sensor is further provided with first and second piezoelectric bending resonators, a comparison unit, and a calculation unit. The first and second piezoelectric bending resonators have one end connected to the anchor portion and the other end connected to the proof mass or the support beam and have a stack of a first electrode, a first piezoelectric film, and a second electrode. The first and second piezoelectric bending resonators extend on the both sides of the support beam and perform bending resonance motion in a direction perpendicular to the piezoelectric film. The comparison unit measures a difference of a resonance frequency between the first and second piezoelectric bending resonators. The calculation unit calculates an acceleration in a direction perpendicular to the extending direction of the support beam in the substrate surface from the difference of the resonance frequency. | 09-29-2011 |
20120206018 | RESONATOR AND OSCILLATOR - A resonator according to the embodiment includes: a substrate; a flat layered body which is formed above the substrate and is formed with at least a lower electrode, a piezoelectric film and an upper electrode; an anchor portion which fixes the layered body above the substrate; a cut-out portion inside the layered body; a tuning fork vibrator which is formed in the cut-out portion, has both ends supported by the layered body and is formed with at least a lower electrode, a piezoelectric film and an upper electrode; and an envelope which envelopes the layered body and the tuning fork vibrator in a noncontact fashion, and prevents an external force from being applied to the layered body and the tuning fork vibrator. | 08-16-2012 |
20140023332 | PLASTIC FIBER RIBBON AND COVER REMOVAL METHOD THEREOF - A plastic fiber ribbon includes a plastic fiber, a buffer layer formed to surround an outer circumference of the plastic fiber, a spacer arranged substantially in parallel with the plastic fiber, and a cover part covering the plastic fiber, the buffer layer, and the spacer. A diameter L of the spacer is set to be larger than an inner diameter L | 01-23-2014 |
Patent application number | Description | Published |
20090209861 | Ultrasonic Doppler Blood Flow Meter - An ultrasonic Doppler blood flow meter has a clutter component estimation unit | 08-20-2009 |
20110101824 | ULTRASONIC DIAGNOSTIC APPARATUS - There are provided a transducer that irradiates an ultrasonic wave, a transmitter that drives the transducer, and a plurality of power sources that supply a plurality of positive voltages and negative voltages to the transmitter. The transmitter includes a plurality of switches (SW | 05-05-2011 |
20120296214 | ULTRASONIC DIAGNOSTIC DEVICE, AND REGION-TO-BE-DETECTED IMAGE DISPLAY METHOD AND MEASUREMENT METHOD USING SAME - An ultrasonic diagnostic apparatus that enables even an unskilled person to get accurate detection done is provided. | 11-22-2012 |
20130116567 | ULTRASOUND DIAGNOSTIC APPARATUS - An ultrasound diagnostic apparatus includes: a probe that transmits and receives ultrasound; a signal analysis unit that, when the probe scans a cross section of elevation direction of a blood vessel using ultrasound, detects a center scan line echo signal having passed through a center of the blood vessel among a plurality of scan line echo signals in the cross section of elevation direction of the blood vessel received by the probe, based on a part of each of the plurality of scan line echo signals that has a relatively small amplitude that corresponds to a reflected wave from a part of the blood vessel where blood flows; and an IMT measurement unit that computes an IMT from the center scan line echo signal. With this configuration, it is possible to provide an ultrasound diagnostic apparatus capable of performing wide-range IMT measurements with few errors even when a blood vessel seen from a body surface is not linear. | 05-09-2013 |
20130310689 | ULTRASOUND DIAGNOSTIC DEVICE - An ultrasound diagnostic device includes: a transmission pulser that applies a driving pulse output signal to an ultrasonic transducer so as to cause the ultrasonic transducer to irradiate ultrasound; and a trigger signal generator that generates a trigger signal that controls the transmission pulser to output the driving pulse output signal. The trigger signal generator adds, to the trigger signal in a predetermined term after completion of a driving term of the ultrasonic transducer, a plurality of trigger pulses that control an amplitude of an ultrasonic transducer output signal generated upon completion of the driving term so as to attenuate gradually. With this configuration, a free vibration of the ultrasonic transducer in a transient response can be suppressed with the minimum number of circuit materials. | 11-21-2013 |
20140005552 | ULTRASOUND PROBE | 01-02-2014 |