Electricity: measuring and testing – Magnetic – Displacement
Patent
1994-11-30
1996-10-15
Snow, Walter E.
Electricity: measuring and testing
Magnetic
Displacement
32420722, 324262, G01B 714, G01B 730, G01B 702, G01D 5244
Patent
active
055657699
ABSTRACT:
A position detector operable to detect the position of a moving body by generating an electrical signal and feeding it to an electronic processing means whenever the moving body reaches a predeterminable position has an energy storage means which, when the body approaches the predeterminable position, accumulates and stores a part of the kinetic energy of the body in the form of potential energy and, when said predeterminable position is reached, abruptly liberates the stored potential energy in the form of kinetic energy. The detector further has a means for conversion of the kinetic energy into an electrical energy pulse which is fed to the electronic processing means, whereby the electronic processing means operates reliably even when its regular power supply has failed and the moving body is approaching the predeterminable position at a very low speed.
REFERENCES:
patent: 3826985 (1974-07-01), Wiley
patent: 4470010 (1984-09-01), Sears
Patent Abstracts of Japan, vol. 12, No. 173, May 24, 1988 & JP-A-62 285012 Dec. 10, 1987.
Mehnert Walter
Theil Thomas
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