Seiko Epson Corporation

Sony Corporation

Japan Display West Inc.

Taketo Chino

Masayasu Sakuma

Yoshihiro Kobayashi

Shojiro Kitamura

Nobuyuki Imai

Yoshikuni Saito

Fumikazu Otani

Michiharu Ogami

An inertial measurement unit includes an angular velocity sensor and an acceleration sensor that output inertial information, a storage portion that stores a plurality of correction parameters related to a range of values of the inertial information, a parameter control portion that selects a selection correction parameter from the plurality of correction parameters, and a correction calculation portion that corrects the inertial information using the selection correction parameter.

Inertial measurement unit

A sensor device includes a mounting member having fixation surfaces inside, and at least one electronic component directly or indirectly fixed to the fixation surfaces of the mounting member, and the mounting member constitutes a part of a casing for housing the electronic component. Further, the fixation surfaces are perpendicular to each other.

Sensor device and electronic apparatus

A posture estimation device estimates a posture of a movable body based on acceleration information based on a posture change of the movable body and angular velocity information based on the posture change of the movable body. The posture estimation device includes a storage unit that stores the acceleration information, the angular velocity information, and a plurality of posture parameters related to a movement of the movable body, a parameter control unit that selects a selection posture parameter from the plurality of posture parameters, and a posture calculation unit that estimates the posture of the movable body by using the acceleration information, the angular velocity information, and the selection posture parameter.

Posture estimation device, sensor module, measurement system, moving object, and posture estimation method

A sensor module includes an X-axis angular velocity sensor device that outputs digital X-axis angular velocity data, a Y-axis angular velocity sensor device that outputs digital Y-axis angular velocity data, a Z-axis angular velocity sensor device that outputs digital Z-axis angular velocity data, an acceleration sensor device that outputs digital X-axis, Y-axis, and Z-axis acceleration data, a microcontroller, a first digital interface bus that electrically connects the X-axis angular velocity sensor device, the Y-axis angular velocity sensor device, and the Z-axis angular velocity sensor device to a first digital interface, and a second digital interface bus that electrically connects the acceleration sensor device to a second digital interface.

Sensor module, measurement system, and vehicle

A sensor module includes a first sensor device that outputs first measurement data from a first measurement circuit receiving a signal from a first sensor element and performing a measurement process, a second sensor device that outputs a second measurement circuit receiving a signal from a second sensor element and performing a measurement process, and a microcontroller that receives the first measurement data and the second measurement data, in which the first sensor device includes a first terminal that is used for input of an external synchronization signal or a synchronization signal which is a signal based on the external synchronization signal, and input or output of a communication signal, and the second sensor device includes a second terminal that is used for input of the synchronization signal, and input or output of the communication signal.

Sensor module, electronic apparatus, and vehicle

A sensor unit includes a circuit board including, on a first surface, a plurality of electrode pads to which a plurality of mounting terminals of an inertial sensor are respectively attached via connecting members. The first surface of the circuit board includes an insulating layer provided on the outer side of the plurality of electrode pads in a plan view, includes, in a portion overlapping a center region further on the inner side than the mounting terminals of the inertial sensor in the plan view, a first region where the insulating layer is not provided, and includes, from the first region to the outer side of the inertial sensor in the plan view, a second region where the insulating layer is not provided.

Sensor unit, vehicle positioning device, and vehicle

A sensor module includes a first sensor device, a second sensor device, and a microcontroller. The first sensor device includes a first synchronization terminal to which an external synchronization signal or a synchronization signal which is a signal based on the external synchronization signal is input, a first interface outputs first measurement data to the microcontroller on the basis of the synchronization signal which is input to the first synchronization terminal, the second sensor device includes a second synchronization terminal to which the synchronization signal is input, and a second interface outputs second measurement data to the microcontroller on the basis of the synchronization signal which is input to the second synchronization terminal.

Growing community of inventors

Hokuto, Japan

Taketo Chino