| 摘要 |
<p>A tilt angle sensor capable of being mounted to vehicles such as automobiles, highly resistant to disturbance such as vibration, excellent in turning performance and capable of being downsized, comprising a non-magnetic and electrically conductive weight (1), a rotary shaft (2) fixed to the weight (1), a bearing (3) for turnably supporting the rotary shaft (2), a frame (4) for holding the bearing (3), a reflection type optical interrupter (6) comprising one or two sets of light reception/emission devices (27, 26) having the signals thereof changed depending on the operation of the weight (1), a flange portion (7) so extended to the outer peripheral portion of the weight as to be parallel, or to have a predetermined angle, with the rotary shaft (2) and a magnet (8) fitted to the frame (4) in such a manner that a magnetic flux is generated preferentially in the direction of the flange portion (7).</p> |
