G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 7/00 (2006.01) G01F 23/284 (2006.01) G01F 23/44 (2006.01) G01F 23/60 (2006.01) G01F 23/62 (2006.01) G01F 23/68 (2006.01) G01F 23/72 (2006.01) G08C 21/00 (2006.01)
Patent
CA 2416623
A linear position sensor using time domain reflectometry (TDR) includes a rigid linear guide having a first end and a second end. The linear guide is made of a conductive material. A follower is provided having a central aperture. The follower is positioned with the linear guide passing through the central aperture. The follower is of a material that is attracted to a magnet. A TDR instrument is positioned at one end of the linear guide. The TDR instrument is adapted to send a TDR signal parallel to the linear guide which is directed at the follower. The TDR instrument receives a return signal reflected from the follower which indicates the linear positioning of the follower. At least one magnet is provided which is adapted for mounting on an object. The follower is magnetically attracted to the magnet to such an extent that the follower follows the movement of the magnet, thereby indicating the positioning of the object.
Mcgillis Greg
Sherrard Wayne
Thompson Lambert Llp
Titan Logix Corp
LandOfFree
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