Apparatus for signalling the position of a point on a surface

Details Apparatus for signalling the position of a point on a surface Apparatus for signalling the position of a point on a surface

1975-09-23

1977-05-10

Robinson, Thomas A.

Telegraphy

Systems

Position coordinate determination for writing

340324M, G08C 2100

Patent

active

040229696

ABSTRACT:
Apparatus for signalling the position of a point on a surface divided into a plurality of identical subsidiary areas includes primary transducer means operable to identify uniquely the subsidiary area in which the point is located, and secondary transducer means representing the sub-divisions of a single subsidiary area. The primary and secondary transducer means may each be represented by a rectangular matrix of light-emitting devices which may be scanned sequentially by scanning means.

REFERENCES:
patent: 3104369 (1963-09-01), Rabinow et al.
patent: 3342935 (1967-09-01), Leifer et al.
patent: 3665102 (1972-05-01), Townsend et al.
patent: 3832693 (1974-08-01), Ishizaki et al.

Affiliated with

Also associated with

Rating

Apparatus for signalling the position of a point on a surface 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 signalling the position of a point on a surface, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for signalling the position of a point on a surface will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1984406