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| Number | Title | Issue Date |
| 8183945 | Oscillator based on series of four nanowires The oscillator comprises at least a first series of a multiple of four sub-assemblies each of which comprises an excitation terminal and an output terminal. The sub-assemblies are arranged in series in a closed loop. The output terminal of each sub-assembly is conne... | 05/22/2012 |
| 8183944 | Method and system for using a MEMS structure as a timing source A system and method is disclosed that provides a technique for generating an accurate time base for MEMS sensors and actuators which has a vibrating MEMS structure. The accurate clock is generated from the MEMS oscillations and converted to the usable range by means... | 05/22/2012 |
| 8179201 | Resonator A resonator having an effective spring constant (kz) and comprising a beam having a beam spring constant (kB) adapted to resonate in an oscillation direction, and extending at a non-zero angle (θ) to the oscillation direction, wherein the reso... | 05/15/2012 |
| 8111108 | Micromechanical resonating devices and related methods Micromechanical resonating devices, as well as related methods, are described herein. The resonating devices can include a micromechanical resonating structure, an actuation structure that actuates the resonating structure, and a detection structure that detects mot... | 02/07/2012 |
| 8058940 | Dual in-situ mixing for extended tuning range of resonators A dual in-situ mixing approach for extended tuning range of resonators. In one embodiment, a dual in-situ mixing device tunes an input radio-frequency (RF) signal using a first mixer, a resonator body, and a second mixer. In one embodiment, the first mixer is couple... | 11/15/2011 |
| 8059322 | System for suppressing undesirable oscillations in a MEMS scanner A system for suppressing undesirable oscillations in a micro-electro-mechanical system (MEMS) scanner is provided. The system includes a tunable notch filter and a MEMS scanner. The tunable notch filter is operable to receive an original drive signal and to generate... | 11/15/2011 |
| 8022779 | Integrated circuit oscillators having microelectromechanical resonators therein with parasitic impedance cancellation An integrated circuit oscillator includes a microelectromechanical (MEM) resonator having input and output terminals. An oscillation sustaining circuit is provided. The oscillation sustaining circuit is electrically coupled between the input and output terminals of ... | 09/20/2011 |
| 8018294 | Oscillator device, optical deflector and image forming apparatus using the optical deflector An oscillator device includes an oscillation system having an oscillator and an elastic supporting member, a detecting member for detecting oscillation amplitude of the oscillator, a driving member for driving the oscillator, and a control unit for generating a driv... | 09/13/2011 |
| 7907027 | Frequency and/or phase compensated microelectromechanical oscillator Example embodiments of the present invention are directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circuitry, coupled to the microelectromechanical resonato... | 03/15/2011 |
| 7847649 | MEMS resonator, a method of manufacturing thereof, and a MEMS oscillator The invention relates to a MEMS resonator comprising a movable element (48), the movable element (48) comprising a first part (A) having a first Young's modulus and a first temperature coefficient of the first Young's modulus, and the movable element (... | 12/07/2010 |
| 7839227 | Oscillating circuit having an analog oscillating element An oscillating circuit includes an analog oscillation element. The oscillating circuit includes at least one analog-to-digital conversion device. A method is for operating an oscillating circuit, in which a mechanical oscillator oscillates at a natural frequency. Th... | 11/23/2010 |
| 7812680 | MEMS resonator-based signal modulation Disclosed herein are devices and methods for generating a modulated signal with a MEMS resonator, or microresonator. A bias, or polarization, voltage for activating the MEMS resonator is determined by a control signal, or input voltage, indicative of information to ... | 10/12/2010 |
| 7755441 | Frequency and temperature compensation synthesis for a MEMS resonator A signal generation technique is based on a reference frequency provided by a MEMS resonator. The signal generation technique compensates for temperature- and fabrication process-induced frequency variations collectively. In some embodiments, a device implementing t... | 07/13/2010 |
| 7750746 | Oscillator device and optical deflection device An oscillator device includes an oscillation system including an oscillator and a resilient supporting member, a driving member configured to supply a driving force to the oscillation system based on a driving signal, and a driving frequency control unit configured ... | 07/06/2010 |
| 7724103 | Ultra-high frequency self-sustaining oscillators, coupled oscillators, voltage-controlled oscillators, and oscillator arrays based on vibrating nanoelectromechanical resonators A self-sustaining ultra-high frequency oscillator and method enable the ability to oscillate and output a signal. A balanced bridge circuit is utilized to null an embedding background response. A first vibrating nanoelectromechanical (NEMS) beam resonator is part of... | 05/25/2010 |
| 7639096 | Oscillator device and method for manufacturing the device An object of the present invention is to provide a compact and highly reliable oscillator device having stable vibration characteristics, the object being achieved by constructing the oscillator device by bonding an oscillator in place by accurately positioning it, ... | 12/29/2009 |
| 7532081 | Frequency and/or phase compensated microelectromechanical oscillator There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circui... | 05/12/2009 |
| 7515007 | Integrated dielectric resonator filter and clock extraction device using the same Provided are an integrated dielectric resonator filter and a clock extraction device using the integrated dielectric resonator filter. The integrated dielectric resonator filter includes: a microwave substrate; a disc type dielectric resonator installed on the micro... | 04/07/2009 |
| 7463105 | Microresonator, band-pass filter, semiconductor device, and communication apparatus A microresonator includes a plurality of beam-type oscillator elements arranged in parallel and to which DC voltages are applied, wherein the DC voltages are caused to be different among the oscillator elements. ... | 12/09/2008 |
| 7456698 | Mechanical self-reciprocating oscillator and mechanism and a method for establishing and maintaining regular back and forth movement of a micromachined device without the aid of any electronic components A mechanical self-reciprocating oscillator and mechanism and method for establishing and maintaining regular back and forth movement of a micromachined device without the aid of any electronic components are provided. The fully mechanical micromachined oscillator an... | 11/25/2008 |
| 7453324 | Frequency and/or phase compensated microelectromechanical oscillator There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circui... | 11/18/2008 |
| 7449968 | Frequency and temperature compensation synthesis for a MEMS resonator Disclosed herein is a signal generation technique based on a reference frequency provided by a MEMS resonator. The signal generation technique compensates for temperature- and fabrication process-induced frequency variations collectively. In some embodiments, a devi... | 11/11/2008 |
| 7411465 | AGC circuit for the reduction of harmonics in the drive signal A drive circuit apparatus for use in generating a drive signal for energizing an actuator about a natural resonant frequency is disclosed. The circuit has a counter that generates a count sequence derived from a drive sense signal. Additionally, a demodulator is fur... | 08/12/2008 |
| 7404325 | Micro-machined vibrating structure and associated micro-gyroscope The invention relates to a micro-machined, vibrating structure (4), comprising a fixing end (5), connected to a fixed support (6) and a hollow shell, preferably in a cylindrical form with a lateral wall (7), forming a vibrating wall (7... | 07/29/2008 |
| 7394326 | Quartz oscillator manufacturing method and quartz oscillator A method for manufacturing a quartz oscillator having a stable temperature drift characteristic attributed to the quartz oscillating piece and a quartz oscillator are disclosed. The method comprises a quartz crystal etching step S1 of processing a quar... | 07/01/2008 |
| 7382205 | Transducer and electronic device The transducer (1) comprises an electrically conductive resonator element (20) extending in a longitudinal direction having a length (l). It can be elastically deformed by an electrically conductive actuator (30) such that the elastic deformatio... | 06/03/2008 |
| 7372346 | Acoustic resonator A tuneable film bulk acoustic resonator (FBAR) device. The FBAR device includes a bottom electrode, a top electrode and a piezoelectric layer in between the bottom electrode and the top electrode. The piezoelectric layer has a first overlap with the bottom electrode... | 05/13/2008 |
| 7352117 | Piezoelectric vibrator A tuning fork type piezoelectric vibrator is provided with vibrating arms which can improve shock resistance while suppressing a CI value to a small value. A first groove (base end side) and a second groove (tip side) extend along a longitudinal direction from a bas... | 04/01/2008 |
| 7352262 | Insulation of anti-resonance in resonators A cancellation circuit to remove the anti-resonance signal from a resonator. Micro-mechanical and surface and bulk acoustic wave resonators include an anti-resonance in an output signal. This has an undesirable effect on certain types of systems in their function an... | 04/01/2008 |
| 7352254 | Micro-oscillator, semiconductor device and communication apparatus A micro-oscillator is provided. In an example, the micro-oscillator applied to a signal filter and the like, ground capacitance thereof is reduced to control the loss of signal output. An oscillator element having a beam facing lower electrodes and to be electrostat... | 04/01/2008 |
| 7345554 | Integrable phase-locked loop including an acoustic resonator A phase-locked loop that can be integrated into a semiconductor product comprises: a phase comparator having a first input, a second input and an output, said first input receiving a reference frequency; a low-pass filter having an input connected to said output of ... | 03/18/2008 |
| 7295088 | High-Q micromechanical resonator devices and filters utilizing same High-Q micromechanical resonator devices and filters utilizing same are provided. The devices and filters include a vibrating polysilicon micromechanical “hollow-disk” ring resonators obtained by removing quadrants of material from solid disk resonators, but pur... | 11/13/2007 |
| 7286023 | Crystal oscillation circuit with frequency regulation It is an object of the invention to obtain a stable operation with a low phase noise. Moreover, it is another object to obtain an oscillating output which does not cause the delay of a starting time. According to the invention, it is possible to implement a crystal ... | 10/23/2007 |
| 7268646 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 09/11/2007 |
| 7250892 | Data converter with integrated MEMS resonator clock An improved clocked data converter with a vibrating microelectromechanical systems (MEMS) resonator. The MEMS resonator is used as part of the clock circuitry of an analog to digital converter or a digital to analog converter. The MEMS resonator may be used as the f... | 07/31/2007 |
| 7248128 | Reference oscillator frequency stabilization Method for stabilizing the frequency of a MEMS (Micro Electro Mechanical Systems) reference oscillator, and a MEMS reference oscillator, wherein the method comprises following steps: using two or more MEMS components, wherein each MEMS component is characterized by ... | 07/24/2007 |
| 7230501 | Oscillation circuit and electronic equipment An oscillation circuit comprises a SAW resonator having a pair of reflectors disposed on a piezoelectric substrate and a pair of IDTs which are set up in parallel between the pair of reflectors and which are constituted by teeth-of-a-comb electrodes; an inverter to ... | 06/12/2007 |
| 7224236 | Frequency and/or phase compensated microelectromechanical oscillator There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circui... | 05/29/2007 |
| 7221230 | Frequency and/or phase compensated microelectromechanical oscillator There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circui... | 05/22/2007 |
| 7215061 | Micromechanical electrostatic resonator Exemplary embodiments of the invention provide a micromechanical electrostatic resonator which designs high frequency, increases a ratio of output voltage to input voltage, and designs low drive voltage or reduced power consumption. A micromechanical electrostatic r... | 05/08/2007 |
