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Mems

Mems-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Packaging for mems transducers
Cirrus Logic International Semiconductor Ltd.
October 12, 2017 - N°20170295434

This application describes methods and apparatus relating to packaging of mems transducers and to mems transducer packages. The application describes a mems transducer package (300) having a first integrated circuit die (200) which has an integrated mems transducer (202) and integrated electronic circuitry (203) for operation of the mems transducer. The package is arranged such that the footprint of the mems transducer package is ...
Multi-frequency tunable low noise amplifier and multi-frequency tuning implementation method therefor
Zte Corporation
October 12, 2017 - N°20170294884

A multi-frequency tunable low-noise amplifier and a multi-frequency tuning implementation method therefor. The amplifier comprises: a system controller (13) and a micro-electro-mechanical system (mems) matching tuner (12) connected to the system controller (13). The system controller (13) is configured to respond to a first operation executed by a user via a user interface (15) when in a first mode, to acquire a first matching value ...
Pinched doped well for a junction field effect transistor (jfet) isolated from the substrate
Cirrus Logic International Semiconductor Ltd.
October 12, 2017 - N°20170294512

A jfet structure may be formed such that the channel region is isolated from the substrate to reduce parasitic capacitance. For example, instead of using a deep well as part of a gate structure for the jfet, the deep well may be used as an isolation region from the surrounding substrate. As a result, the channel in the jfet may ...
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Optical switch
Huawei Technologies Co., Ltd.
October 12, 2017 - N°20170293137

An optical switch, including an input collimator array, an input micro-electro-mechanical system (mems) chip, an output mems chip, and an output collimator array. An included angle (β) exists between a surface of a micromirror array on the output mems chip and a surface of a lens array of the output collimator array, micromirrors of the micromirror array on the ...
Mems-based transducers on a downhole tool
Halliburton Energy Services, Inc.
October 12, 2017 - N°20170293044

In accordance with embodiments of the present disclosure, systems and methods for taking acoustic/ultrasonic wave measurements of a wellbore using a downhole tool equipped with microelectromechanical (mem) transducers are provided. The mem transducers may include a plurality of mem transmitters (e. G., mem speakers) and a plurality of separate mem receivers (e. G., mem microphones). These mem transducers may ...
Mems-based active cooling system
Halliburton Energy Services, Inc.
October 12, 2017 - N°20170292537

In various embodiments, a cooling device for dissipating heat generated in an electronic or electrochemical device includes a substrate, multiple benders arranged on the substrate, and supply circuitry for supplying an electric field to actuate the benders for causing movement thereof, thereby producing an air flow.
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Loudspeaker arrangement
Usound Gmbh
October 05, 2017 - N°20170289700

A loudspeaker arrangement for a plurality of mems loudspeakers for generating sound waves in the audible wavelength spectrum includes a housing, which has a sound conduction cavity and at least one sound outlet opening, and at least two mems loudspeakers, arranged in the interior of the housing opposite and spaced apart from each other by the sound conduction cavity. Each ...
Sensing device and corresponding apparatus and method
Stmicroelectronics S.r.l
October 05, 2017 - N°20170289649

A sensing device includes a barometric sensor, e. G., mems-based, and a processing unit coupled to the barometric sensor to receive therefrom a barometric signal. The processing unit is configured as a state machine having a plurality of states including an initial state and a final state with a set of transitions from the initial state to the final state. ...
Magnetic circuits for mems devices
Intel Corporation
October 05, 2017 - N°20170288479

An example apparatus for produce magnetic fields includes a base plate comprising a plurality of grooves. The apparatus includes an mems device disposed on the base plate. The apparatus further includes a number of magnets to produce one or more magnetic fields disposed on the plurality of grooves and adjacent to the mems device.
Mems heater or emitter structure for fast heating and cooling cycles
Infineon Technologies Ag
October 05, 2017 - N°20170288125

According to various embodiments, a mems device includes a substrate, an electrically movable heating element having a first node coupled to a first terminal of a first voltage source and the second node coupled to a reference voltage source, a first anchor anchoring the first node and a second anchor anchoring the second node of the electrically movable heating element ...
Control-electrode shielding for improved linearity of a mems dvc device
Cavendish Kinetics, Inc.
October 05, 2017 - N°20170287646

The present invention generally relates to a mems dvc having a shielding electrode structure between the rf electrode and one or more other electrodes that cause a plate to move. The shielding electrode structure may be grounded and, in essence, block or shield the rf electrode from the one or more electrodes that cause the plate to move. By shielding ...
Display device
Sharp Kabushiki Kaisha
October 05, 2017 - N°20170287387

Provided is a display device characterized in that the electric power consumption when optical modulation elements (for example, mems shutters) are driven is reduced: a display device (1000) includes a backlight unit (1), a display panel unit (2), a source driver (3), and a controller (4). The backlight unit (1) includes a light source. The display panel unit (2) includes segmented pixel regions ar11 to arnm each ...
System and method for capturing dose information
Becton, Dickinson And Company
October 05, 2017 - N°20170286638

A system for capture of dose delivery information is provided. The system includes a medication delivery device, a dose information capture device adapted to he attached to the medication delivery device, and a target element adapted to be attached to the medication delivery device. The target element comprises a magnet or ferrous element and the target element attaches to the ...
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Mems device oscillating about two axes and having a position detecting system, in particular of ...
Stmicroelectronics S.r.l.
October 05, 2017 - N°20170285332

A mems device includes a platform carried by a frame via elastic connection elements configured to enable rotation of the platform about a first axis. A bearing structure supports the frame through first and second elastic suspension arms configured to enable rotation of the frame about a second axis transverse to the first axis. The first and second elastic suspension ...
Method for controlling position of a linear mems mirror with variable resolution and/or light ...
Stmicroelectronics Ltd
October 05, 2017 - N°20170285327

The method for controlling an angular position of a mems mirror, includes: applying a first driving moment to the mems mirror to generate a rotational scanning movement of the mirror; and, at a zooming instant, applying a second driving moment to the mems mirror, wherein the second driving moment is equal to the first driving moment plus an extra moment. ...
Hybrid mems scanning module
Apple Inc.
October 05, 2017 - N°20170285325

A scanning device includes a base containing one or more rotational bearings disposed along a gimbal axis. A gimbal includes a shaft that fits into the rotational bearings so that the gimbal rotates about the gimbal axis relative to the base. A mirror assembly includes a semiconductor substrate, which has been etched and coated to define a support, which is ...
Optical isolator
Intel Corporation
October 05, 2017 - N°20170285238

An optical assembly including a polarizing beam splitter (pbs) to receive a laser beam from a light source. A micro-electro-mechanical systems (mems) mirror disposed in a support structure of the assembly, wherein the mems mirror is rotatable and is configured to receive the laser beam from the pbs and to reflect an exit beam. A phase retardation layer deposited on ...
Mems accelerometric sensor having high accuracy and low sensitivity to temperature and aging
Stmicroelectronics S.r.l.
October 05, 2017 - N°20170285064

A mems accelerometric sensor includes a bearing structure and a suspended region that is made of semiconductor material, mobile with respect to the bearing structure. At least one modulation electrode is fixed to the bearing structure and is biased with an electrical modulation signal including at least one periodic component having a first frequency. At least one variable capacitor is ...
Accelerometric sensor in mems technology having high accuracy and low sensitivity to temperature and ageing
Stmicroelectronics S.r.l.
October 05, 2017 - N°20170285061

The accelerometric sensor has a suspended region, mobile with respect to a supporting structure, and a sensing assembly coupled to the suspended region and configured to detect a movement of the suspended region with respect to the supporting structure. The suspended region has a geometry variable between at least two configurations associated with respective centroids, different from each other. The ...
Process for manufacturing a mems pressure sensor, and corresponding mems pressure sensor
Stmicroelectronics S.r.l.
October 05, 2017 - N°20170284882

A process for manufacturing a mems pressure sensor having a micromechanical structure envisages: providing a wafer having a substrate of semiconductor material and a top surface; forming a buried cavity entirely contained within the substrate and separated from the top surface by a membrane suspended above the buried cavity; forming a fluidic-communication access for fluidic communication of the membrane with ...
Low cost heating regulation circuit for self-heating flow mems
Honeywell International Inc.
October 05, 2017 - N°20170284846

Traditional flow sensors include an upstream resistive sensor element, a downstream resistive sensor element and an intervening heater resistive element. To help reduce the size and/or cost of such flow sensor, it is contemplated that the heater resistor may be eliminated. When so provided, the space required for the heater resistive element, as well as the corresponding heater control ...
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