Non-electronic character display

Details Non-electronic character display Non-electronic character display

1978-10-12

1980-09-02

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

340764, G08B 502

Patent

active

042209480

ABSTRACT:
A sign board comprises an opaque front plate interfacing with a translucent or reflective back plate. Slots in the front plate define the segments of 7-segment characters. Shutters are slideable within the interface to selectively open and close slots for defining individual characters. Means are provided for retaining the shutters in open and closed positions.

REFERENCES:
patent: 1577609 (1926-03-01), Chubb
patent: 2426079 (1947-08-01), Bliss
patent: 3402694 (1968-09-01), Christman
patent: 3485204 (1969-12-01), Christman

Affiliated with

Also associated with

Rating

Non-electronic character display does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Non-electronic character display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-electronic character display will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1711248