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Invensense International Inc patents


Recent patent applications related to Invensense International Inc. Invensense International Inc is listed as an Agent/Assignee. Note: Invensense International Inc may have other listings under different names/spellings. We're not affiliated with Invensense International Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Invensense International Inc-related inventors


Method for positioning a mobile terminal at the moment when a trigger event occurs

The invention relates to navigation, particularly, to detection of indoor and outdoor positions of mobile devices. Technical result of the invention is to improve the accuracy of mobile terminal position detection at time of occurrence of a specific trigger event and decrease of load on sensor, computing, communication and other... Invensense International Inc

Yaw rate gyroscope robust to linear and angular acceleration

A gyroscope includes four drive masses and four sense masses. Each drive mass is adjacent to two other drive masses and opposite the fourth drive mass, and each sense mass is adjacent to two other sense masses and opposite the fourth sense mass. Each drive mass may oscillate in a... Invensense International Inc

Two frequency gyroscope compensation system and method

A gyroscope is driven at a drive frequency and senses a Coriolis force caused by rotation of the gyroscope. The response of the gyroscope to a given Coriolis force may change due to changes in the gyroscope over time. A plurality of test frequencies are applied to the gyroscope, and... Invensense International Inc

Mems sensor with voltage sensing of movable mass

A suspended spring-mass system is suspended from a plurality of the anchoring points. A source voltage is provided from one of anchoring points to the suspended spring-mass system. The other anchoring points have measurement nodes which measure the voltage at those anchoring points. If a voltage other than the source... Invensense International Inc

Gyroscope with auxiliary self-test

A gyroscope includes drive electrodes that drive a drive mass at a drive frequency. A sense mass is responsive to a Coriolis force caused by rotation of the gyroscope and oscillates based on the drive frequency. Electrodes adjacent to the sense mass drive the sense mass at test frequencies. The... Invensense International Inc

Identification of a seal failure in mems devices

A microelectromechanical sensor (MEMS) package includes a gyroscope and an accelerometer. The gyroscope is located within a low-pressure cavity that is sealed from an external pressure. The accelerometer is located within a cavity, and the seal for the accelerometer cavity is entirely within the gyroscope cavity. Under normal operating conditions,... Invensense International Inc

Residual voltage self test

A sensor such as an accelerometer includes a proof mass located opposite a plurality of electrodes located on a substrate. Some of the electrodes are auxiliary electrodes that apply an alternating current auxiliary signal to the proof mass while other electrodes are sense electrodes that sense movement of the proof... Invensense International Inc

Mems sensor with compensation of residual voltage

A microelectromechanical (MEMS) sensor, such as an accelerometer, has one more proof masses that respond to movement of the sensor, the movement of which is measured based on a distance between the one or more proof masses and on one or more sense electrodes. The accelerometer also has a plurality... Invensense International Inc

Accelerometer sense path self-test

A microelectromechanical (MEMS) accelerometer has a proof mass, a sense electrode, and an auxiliary electrode. The sense electrode is located relative to the proof mass such that a capacitance formed by the sense electrode and the proof mass changes in response to a linear acceleration along a sense axis of... Invensense International Inc

Identification and compensation of mems accelerometer errors

A microelectromechanical (MEMS) accelerometer has a proof mass, a sense electrode, and an auxiliary electrode. The sense electrode is located relative to the proof mass such that a capacitance formed by the sense electrode and the proof mass changes in response to a linear acceleration along a sense axis of... Invensense International Inc








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