Apparatus for determining the position of a rotating shaft

Details Apparatus for determining the position of a rotating shaft Apparatus for determining the position of a rotating shaft

1997-03-31

1998-10-27

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023118, G01D 534

Patent

active

058280600

ABSTRACT:
An apparatus is provided for determining the position of a shaft that is rotatably displaceable about a longitudinal axis. The apparatus includes a source of light energy, first and second light detecting devices that are arranged adjacent the shaft, and a third light detecting device mounted on the shaft. A rotatably displaceable disc having an opening near the disc's perimeter is mounted between the source of light energy and the light detecting devices. A position-determining circuit connected to the light detecting devices measures the time that the light detecting devices are sequentially activated by the light emanating from the disc opening and applies the time so measured to a position-determining scheme. The position-determining scheme uses the time measured and the physical geometry of the apparatus to determine the position of the shaft.

REFERENCES:
patent: 5003171 (1991-03-01), Paley
patent: 5773820 (1998-06-01), Osajda et al.

Affiliated with

Also associated with

Rating

Apparatus for determining the position of a rotating shaft does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for determining the position of a rotating shaft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for determining the position of a rotating shaft will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1615068