TILT SENSOR UNIT
First Claim
Patent Images
1. A tilt sensor unit comprising:
- a detection unit that outputs an output signal corresponding to a tilt angle; and
a signal processing unit that arithmetically operates the tilt angle based on the output signal of the detection unit,wherein a plurality of the detection units are arranged, and in addition, at least two detection units among the plurality of detection units are arranged so that detection axes thereof can be directed in directions different from each other,the detection units arranged so that the detection axes can be directed in the directions different from one another are arranged so that, even in a case where any of the detection axes of the detection units is made horizontal, other detection axes of the detection units cannot be horizontal in a state where the tilt sensor unit is enabled to detect the tilt angle, andthe signal processing unit arithmetically operates the tilt angle based on an output signal of a detection unit in which a detection axis is nearest a horizon among the detection units arranged so that the detection axes can be directed in the directions different from one another.
2 Assignments
0 Petitions
Accused Products
Abstract
Acceleration sensors and a microcomputer are mounted on a sensor mounting board. At this time, the accelerations sensors are arranged so that, even in the case where any detection axes of the acceleration sensors is made horizontal, the other detection axes of the acceleration sensors cannot be horizontal. Then, the microcomputer selects an acceleration sensor in which detection accuracy is the best from among the acceleration sensors, and arithmetically operates a tilt angle of a tilt sensor unit based on an output signal of the selected acceleration sensor.
-
Citations
20 Claims
-
1. A tilt sensor unit comprising:
-
a detection unit that outputs an output signal corresponding to a tilt angle; and a signal processing unit that arithmetically operates the tilt angle based on the output signal of the detection unit, wherein a plurality of the detection units are arranged, and in addition, at least two detection units among the plurality of detection units are arranged so that detection axes thereof can be directed in directions different from each other, the detection units arranged so that the detection axes can be directed in the directions different from one another are arranged so that, even in a case where any of the detection axes of the detection units is made horizontal, other detection axes of the detection units cannot be horizontal in a state where the tilt sensor unit is enabled to detect the tilt angle, and the signal processing unit arithmetically operates the tilt angle based on an output signal of a detection unit in which a detection axis is nearest a horizon among the detection units arranged so that the detection axes can be directed in the directions different from one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A tilt sensor unit comprising:
-
a detection unit that outputs an output signal corresponding to a tilt angle; and a signal processing unit that arithmetically operates the tilt angle based on the output signal of the detection unit, wherein a plurality of the detection units are arranged, and in addition, at least two detection units among the plurality of detection units are arranged so that detection axes thereof can be directed in directions different from each other, the detection units arranged so that the detection axes can be directed in the directions different from one another are arranged so that, even in a case where any of the detection axes of the detection units is made horizontal, other detection axes of the detection units cannot be horizontal in a state where the tilt sensor unit is enabled to detect the tilt angle, and the signal processing unit selects a detection unit in which a detected output signal is within a predetermined range from among the detection units arranged so that the detection axes can be directed in the directions different from one another, and arithmetically operates the tilt angle based on the output signal of the selected detection unit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification