发明名称 IMPROVEMENTS IN OR RELATING TO PROFILE CHANGE SENSORS
摘要 <p>This invention relates to profile change sensors and is especially concerned with low energy profile change sensors. In more detail the profile sensor of the invention senses a change in the shape of a relative position or both of at least one surface (5), or a part thereof, of a body and comprises a source of energy, at least one signal conveying member (1, 8, 2) for establishing a signal path from a signal emitter (9) to a signal responsive member (10) with the signal conveying member (1, 8, 2) or a further member associated therewith so disposed in relation to at least a part of a surface (5) of a body that in the event of a change, greater than a given magnitude and in a given direction of the position or the shape of the said part of the body or both, occurrence of the change results in the interruption or establishment of a signal.</p>
申请公布号 WO1983003472(A1) 申请公布日期 1983.10.13
申请号 GB1983000092 申请日期 1983.03.25
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