Door mounted safety apparatus

Details Door mounted safety apparatus Door mounted safety apparatus

1989-12-18

1994-01-04

Wysocki, Jonathan

Electricity: motive power systems

Automatic and/or with time-delay means

Radiant energy

49 25, G05B 500

Patent

active

052763919

ABSTRACT:
An object sensing apparatus includes a plurality of light emitting diodes for illuminating a region of space and a plurality of closely arranged light detectors for receiving light reflected from an object. The apparatus is particularly useful in connection with automatically operated doors.

REFERENCES:
patent: 1972682 (1934-09-01), Fitzgerald
patent: 3534499 (1970-10-01), Chaffee
patent: 3742434 (1973-06-01), Leyde et al.
patent: 4029176 (1977-06-01), Mills
patent: 4084149 (1978-04-01), Driver et al.
patent: 4467251 (1984-08-01), Jonsson
patent: 4560912 (1985-12-01), Jonsson
patent: 4590410 (1986-05-01), Jonsson
patent: 4888532 (1989-12-01), Jonsson

Affiliated with

Also associated with

Rating

Door mounted safety apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Door mounted safety apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Door mounted safety apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-310317