OPTICAL FIBER TYPE DISPLACEMENT GAUGE
PROBLEM TO BE SOLVED: To provide an optical fiber type displacement gauge hardly affected by external factors such as weather and high-voltage electrical power lines, having high durability and capable being monitored from a remote place. SOLUTION: This optical fiber type displacement gauge comprise...
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| creator | KOMATSU HIROYUKI FUJIHASHI KAZUHIKO OKUTSU MASARU |
| description | PROBLEM TO BE SOLVED: To provide an optical fiber type displacement gauge hardly affected by external factors such as weather and high-voltage electrical power lines, having high durability and capable being monitored from a remote place. SOLUTION: This optical fiber type displacement gauge comprises a plate member receiving the displacement in accordance with the displacement of a measured object and having a rack at least on a part of it, a gear engaged with the rack, a displacement converting part for converting the rotation in accompany with the displacement of the plate member, of the gear into the displacement in the rotating axis direction, of the rotation, an elastic member having the cylindrical shape rotationally symmetric to the rotating axis of the gear, an elastic member elastically deformed in the direction approximately perpendicular to the moving direction in accordance with the movement in the rotating axis direction, of the gear on the basis of the conversion by a displacement converting part, and an optical fiber approximately orthogonal to the displacement direction of the elastic member, and wound around the elastic member. COPYRIGHT: (C)2004,JPO&NCIPI |
| format | Patent |
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SOLUTION: This optical fiber type displacement gauge comprises a plate member receiving the displacement in accordance with the displacement of a measured object and having a rack at least on a part of it, a gear engaged with the rack, a displacement converting part for converting the rotation in accompany with the displacement of the plate member, of the gear into the displacement in the rotating axis direction, of the rotation, an elastic member having the cylindrical shape rotationally symmetric to the rotating axis of the gear, an elastic member elastically deformed in the direction approximately perpendicular to the moving direction in accordance with the movement in the rotating axis direction, of the gear on the basis of the conversion by a displacement converting part, and an optical fiber approximately orthogonal to the displacement direction of the elastic member, and wound around the elastic member. 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SOLUTION: This optical fiber type displacement gauge comprises a plate member receiving the displacement in accordance with the displacement of a measured object and having a rack at least on a part of it, a gear engaged with the rack, a displacement converting part for converting the rotation in accompany with the displacement of the plate member, of the gear into the displacement in the rotating axis direction, of the rotation, an elastic member having the cylindrical shape rotationally symmetric to the rotating axis of the gear, an elastic member elastically deformed in the direction approximately perpendicular to the moving direction in accordance with the movement in the rotating axis direction, of the gear on the basis of the conversion by a displacement converting part, and an optical fiber approximately orthogonal to the displacement direction of the elastic member, and wound around the elastic member. 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SOLUTION: This optical fiber type displacement gauge comprises a plate member receiving the displacement in accordance with the displacement of a measured object and having a rack at least on a part of it, a gear engaged with the rack, a displacement converting part for converting the rotation in accompany with the displacement of the plate member, of the gear into the displacement in the rotating axis direction, of the rotation, an elastic member having the cylindrical shape rotationally symmetric to the rotating axis of the gear, an elastic member elastically deformed in the direction approximately perpendicular to the moving direction in accordance with the movement in the rotating axis direction, of the gear on the basis of the conversion by a displacement converting part, and an optical fiber approximately orthogonal to the displacement direction of the elastic member, and wound around the elastic member. COPYRIGHT: (C)2004,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2004257933A |
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| subjects | MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
| title | OPTICAL FIBER TYPE DISPLACEMENT GAUGE |
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