Retroreflective elevator hoistway position sensor

Details Retroreflective elevator hoistway position sensor Retroreflective elevator hoistway position sensor

1997-12-31

2000-10-03

Chan, Jason

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

187391, 359169, H04B 138, H04B 1010, B66B 302

Patent

active

061281166

ABSTRACT:
Retroreflective tape 28, 29 disposed on select positions on an elevator guide rail 13 is sensed by infrared transceivers 24, 25 disposed on an elevator car 10 to provide a signal indicative of the elevator as being at a vertical position in a hoistway designated by said retroreflective tape.

REFERENCES:
patent: 5304751 (1994-04-01), Skalksi et al.
patent: 5889239 (1999-03-01), Blackaby et al.
patent: 5931264 (1999-08-01), Gillingham et al.

Affiliated with

Also associated with

Rating

Retroreflective elevator hoistway position sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Retroreflective elevator hoistway position sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Retroreflective elevator hoistway position sensor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-201296