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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8148875 | Piezoelectric vibrator, manufacturing method of piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece A piezoelectric vibrator which can be manufactured efficiently and a manufacturing method thereof are provided. The piezoelectric vibrator includes: a tuning-fork-type piezoelectric vibrating piece which has a pair of vibration arm portions, excitation electrodes fo... | 04/03/2012 |
| 7579748 | Piezoelectric device and method for manufacturing thereof A piezoelectric device, includes: a package; a piezoelectric resonator element housed in the package; a lid made of metal and bonded to the package by seam welding to seal the package air-tightly; a metal film for frequency adjustment that is provided to the piezoel... | 08/25/2009 |
| 7489063 | Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same An object of the present invention is to provide an inexpensive thin film piezoelectric bulk acoustic wave resonator that allows fine-tuning of a resonant frequency. Another object is to provide an inexpensive filter with dramatically improved frequency characterist... | 02/10/2009 |
| 7443270 | Film bulk acoustic resonator, filter circuit and method for manufacturing a film bulk acoustic resonator A film bulk acoustic resonator includes a substrate having a cavity at a surface of the substrate; a bottom electrode provided on the surface of the substrate so as to extend over the cavity; a piezoelectric film disposed on the bottom electrode; a top electrode dis... | 10/28/2008 |
| 7436107 | Angular velocity sensor and method for manufacturing the same Provided is an angular velocity sensor which is thin, requires no individual adjustment and can control the generation of signals that are unnecessary to the angular velocity sensor and are generated on the sensing electrodes when the tuning fork is made to vibrate ... | 10/14/2008 |
| 7402381 | Method of immobilizing molecules onto a solid phase substrate and method of fabricating a biosensor using the method Aspects of the invention can provide a method capable of easily realizing immobilization with the optimum density derived from a concentration control and without phase separation in coadsorption of a number of molecules. The immobilization method can include the st... | 07/22/2008 |
| 7369013 | Acoustic resonator performance enhancement using filled recessed region An acoustic resonator that includes a substrate, a first electrode, a layer of piezoelectric material, a second electrode, and a fill region. The first electrode is adjacent the substrate, and the first electrode has an outer perimeter. The piezoelectric layer is ad... | 05/06/2008 |
| 7368859 | Piezoelectric thin-film resonator and filter having the same A piezoelectric thin-film resonator includes a lower electrode provided on a substrate, a piezoelectric thin film provided on the lower electrode, and an upper electrode provided on the piezoelectric thin film. A membrane region is defined by a region where the uppe... | 05/06/2008 |
| 7357025 | Micromachined apparatus with co-linear drive arrays A mass includes a first set of drive fingers interdigitated with a first array of fixed drive fingers and a second set of drive fingers interdigitated with a second array of fixed drive fingers. Each array of fixed drive fingers is affixed to a substrate using a plu... | 04/15/2008 |
| 7356314 | Systems and methods for reusing a low noise amplifier in a wireless communications device A wireless communication device comprises a plurality of receive signal paths, each of the receive signal paths is configured to receive signals in a certain frequency bandwidth. The communication device also comprises an amplifier coupled with each of the plurality... | 04/08/2008 |
| 7348193 | Hermetic seals for micro-electromechanical system devices The invention is directed to a hermetically sealed device and a method for making such device. The device includes optical, micro-electromechanical, electronic and opto-electronic devices, having a substrate with one or a plurality of optical, opto-electronic, elect... | 03/25/2008 |
| 7347094 | Coupling apparatus for inertial sensors A coupling apparatus allows anti-phase movements of inertial sensor element frames along parallel axes but substantially prevents in-phase movements of the frames. The coupling apparatus includes a bar coupled between first and second sensor element frames and at le... | 03/25/2008 |
| 7337667 | Angular velocity sensor and its designing method An angular velocity sensor includes a tuning fork vibrator, a drive unit provided on the tuning folk vibrator, and a detection unit for detecting an amount of deflection of the tuning folk vibrator. The tuning fork vibrator includes a first vibrating arm having a fi... | 03/04/2008 |
| 7328497 | Incremental tuning process for electrical resonators based on mechanical motion A method is provided for adjusting the resonant frequency of a mechanical resonator whose frequency is dependent on the overall resonator thickness. Alternating selective etching is used to remove distinct adjustment layers from a top electrode. One of the electrode... | 02/12/2008 |
| 7320164 | Method of manufacturing an electronic component A manufacturing method for an electronic component includes a process of forming a lower electrode and a dummy electrode, which are electrically connected to each other, on a substrate, and a process of forming a piezoelectric thin film on the dummy electrode and th... | 01/22/2008 |
| 7310861 | Method of producing a piezoelectric component A method for producing a piezoelectric component comprising at least two stacked crystal filters comprises the steps of depositing of the layer stack above the bottom electrode and the subsequent patterning of the upper electrically conductive layer and, if appropri... | 12/25/2007 |
| 7312553 | Micromechanical component and method for producing same A micromechanical component and a method for producing the component are provided. The micromechanical component includes a substrate and a micromechanical functional layer of a first material provided over the substrate. The functional layer has a first and second ... | 12/25/2007 |
| 7310029 | Bulk acoustic resonator with matched resonance frequency and fabrication process The resonator comprises a piezoelectric layer arranged between two electrodes. An electrical heating resistor is arranged in thermal contact with at least one of the electrodes. Temporary heating of the electrode enables the material constituting the electrode to be... | 12/18/2007 |
| 7307496 | Method and apparatus for frequency tuning of a micro-mechanical resonator A method for modifying the resonance frequency of a micro-mechanical resonator, and resonators on which the method is practiced. A packaged resonator is trimmed by directing electromagnetic energy to the resonator through a transparent portion of the package. The re... | 12/11/2007 |
| 7294951 | Piezoelectric vibrator, manufacturing method thereof, oscillator, electronic equipment, radio clock A piezoelectric vibrator has a vibrator piece and a frame integral with the vibrator piece. The frame is connected to one end of and surrounds the vibrator piece. A lid has a surface anodically bonded to a first surface of the frame. The lid has a recessed portion a... | 11/13/2007 |
| 7287428 | Inertial sensor with a linear array of sensor elements An inertial sensor includes at least one pair of sensor elements arranged in a linear array. Each sensor element has a frame and a movable mass suspended within the frame. The frames of each pair of sensor elements may be coupled so that the frames are allowed to mo... | 10/30/2007 |
| 7281304 | Method for fabricating a film bulk acoustic resonator A method for fabricating a film bulk acoustic resonator (FBAR) includes depositing a dielectric layer on a substrate, providing a sacrificial layer on part of the dielectric layer; providing a bottom electrode on part of the sacrificial layer on part of the dielectr... | 10/16/2007 |
| 7282834 | Micro electrical mechanical system (MEMS) tuning using focused ion beams A method for tuning an electro-mechanical device such as a MEMS device is disclosed. The method comprises operating a MEMS device in a depressurized system and using FIB micromachining to remove a portion of the MEMS device. Additionally, a method for tuning a plura... | 10/16/2007 |
| 7280668 | Ceramic metal matrix diaphragm for loudspeakers This invention provides a method of manufacturing speaker diaphragm for a loudspeaker that has a composite material formed of two layers of ceramic material separated by a light metal substrate and where the core is formed by stamping a sheet of standard gauge alumi... | 10/09/2007 |
| 7276994 | Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter A piezoelectric thin-film resonator includes a supporting substrate. A piezoelectric thin-film is formed on the supporting substrate. A lower electrode and an upper electrode are formed with the piezoelectric thin-film therebetween. The stiffness of at least one of ... | 10/02/2007 |
| 7277403 | Duplexer with a differential receiver port implemented using acoustic resonator elements A duplexer includes an input/output line, a receive segment and a transmit segment. The transmit segment is connected to the input/output line. The receive segment includes a balun and a differential filter. The balun includes a first output, a second output, a firs... | 10/02/2007 |
| 7271526 | Piezoelectric actuator A piezoelectric actuator for actuating a mechanical component, having a multilayered structure of piezoelectric layers with inner electrodes disposed between them and contacting outer electrodes on alternating sides and the piezoelectric actuator has chamfered corne... | 09/18/2007 |
| 7265480 | Vibration wave linear motor and a driving method thereof A vibration wave linear motor is a vibration wave linear motor that can drive a plurality of driving targets with a simple and small configuration. In the linear motor, two guide members sandwich two vibrators, which are individually and electrically connected to a ... | 09/04/2007 |
| 7254990 | Machine fluid sensor A sensor for sensing one or more properties of a vehicle fluid has a tuning fork resonator adapted to contact the fluid. The tuning fork resonator comprises two tines and is operable to oscillate so that the two tines move in opposite phase at a frequency of less th... | 08/14/2007 |
| 7253706 | Method for manufacturing surface acoustic wave element, as well as surface acoustic wave element manufactured by the same method A method for manufacturing a surface acoustic wave element including: forming a conductive film on a surface of a piezoelectric substrate; forming a photoresist film on the conductive film; printing a pattern by exposing and developing the pattern, which is original... | 08/07/2007 |
| 7250831 | Filter comprising inductor, duplexer using the filter and fabricating methods thereof A filter using an air gap type film bulk acoustic resonator is provided. The present filter includes a substrate on which a first port, a second port, and a ground port are formed to be connected to an external terminal; at least one first film bulk acoustic resonat... | 07/31/2007 |
| 7245057 | Micro-electromechanical structure resonator frequency adjustment using radiant energy trimming and laser/focused ion beam assisted deposition The invention relates to a microbeam oscillator. Tuning of the oscillator is carried out by addition or subtraction of material to an oscillator member in order to change the mass of the oscillator member. ... | 07/17/2007 |
| 7242130 | Piezoelectric device, antenna duplexer, and method of manufacturing piezoelectric resonators used therefor A piezoelectric device of the present invention includes first and second piezoelectric resonators. The first piezoelectric resonator has a structure in which a cavity, a lower electrode, a piezoelectric layer, and an upper electrode are formed on a substrate. The s... | 07/10/2007 |
| 7236066 | Film bulk acoustic resonator and filter circuit including a plurality of film bulk acoustic resonators A film bulk acoustic resonator includes a first electrode, a piezoelectric film disposed on the first electrode, a second electrode disposed on the piezoelectric film or disposed above the piezoelectric film, and an additional film disposed on and abutting the piezo... | 06/26/2007 |
| 7227292 | Methods of depositing piezoelectric films This invention relates to methods of depositing piezoelectric films such as in part of a stack including depositing a piezoelectric layer, measuring the thickness of the layer and depositing a further film or films such that the combined thickness is substantially e... | 06/05/2007 |
| 7216539 | Micromachined apparatus with split vibratory masses Each of a number of resonator masses is split into two separate lobes or masses joined together by a short flexure. The short flexure allows the separate lobes or masses to rotate slightly as they resonate so as to substantially relieve longitudinal stresses in cert... | 05/15/2007 |
| 7211930 | Multilayer piezoelectric element A multilayer piezoelectric element is provided with a multilayer body in which internal electrodes are arranged between stacked piezoelectric layers. The multilayer body has an active part piezoelectrically active, and nonactive parts piezoelectrically nonactive. Th... | 05/01/2007 |
| 7212084 | Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter A piezoelectric thin-film resonator includes a supporting substrate. A piezoelectric thin-film is formed on the supporting substrate. A lower electrode and an upper electrode are formed with the piezoelectric thin-film therebetween. The stiffness of at least one of ... | 05/01/2007 |
| 7207221 | Vibration type gyroscope and method for manufacturing vibration type gyroscope A piezo-electric vibration reed 1 including connection arms extended in opposing directions from a base 12, drive arms extended in a direction perpendicular to the connection arms at the respective tips of the connection arms 13 and 14, a... | 04/24/2007 |
| 7204144 | Micromachined apparatus with drive/sensing fingers in coupling levers Resonator structures include a plurality of resonator masses interconnected by a plurality of levers so as to resonate in anti-phase with one another. The levers include a plurality of lever fingers interdigitated with corresponding fixed fingers affixed to an under... | 04/17/2007 |
