Title:
慣性力センサ
Document Type and Number:
Japanese Patent JP6653479
Kind Code:
B2
Abstract:
An inertial force sensor includes: an acceleration detection element; a temperature sensor that detects an ambient temperature of the acceleration detection element; a bridge circuit that processes an output signal from the acceleration detection element; an AD converter that converts an analog signal output from the bridge circuit into a digital signal, and outputs the digital signal; a calculation circuit that performs calculation on the output signal from the AD converter; and a storage that stores correction data for correcting a variation in the output signal from the AD converter due to a temperature change. The correction data are coefficients of a formula expressed by a calibration curve that is a quadratic or higher-degree curve, and the storage stores, as the correction data, the coefficients of the calibration curve of each of a plurality of patterns that differ between a predetermined temperature or more and less than the predetermined temperature.
More Like This:
| WO/2017/098459 | ACCELEROMETER COMMON MODE SELF-TEST |
| JPH06117804 | METHOD AND APPARATUS FOR MEASURING ANGLE |
Inventors:
Suzuki Yuji
Nakaichi Takaichi
Masaki Nakamura
Nakaichi Takaichi
Masaki Nakamura
Application Number:
JP2017527082A
Publication Date:
February 26, 2020
Filing Date:
July 05, 2016
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G01P21/00; G01P15/08; G01P15/12; G01P15/18
Domestic Patent References:
| JP201594723A | ||||
| JP2014106206A | ||||
| JP201258010A | ||||
| JP2008170294A | ||||
| JP2002286573A |
Foreign References:
| WO2013100156A1 | ||||
| US5458000 | ||||
| US5537882 |
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka