Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Satoshi Fujitani0
Tomoharu Horio0
Date of Patent
May 31, 2011
0Patent Application Number
126050470
Date Filed
October 23, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A tilt sensor includes a light emitting element and two light receiving elements accommodated in a case. The case is formed with an inner space in which a rolling member is provided in a freely movable manner by the pulling force of gravity. A cover plate is fixed to the case to close the inner space. The cover plate is provided with an irregular, inner ceiling surface that is exposed to the inner surface so as to come into sliding contact with the rolling member.
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