The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1978
Filed:
Aug. 30, 1976
Emik A Avakian, Glastonbury, CT (US);
David Laizerovich, West Hartford, CT (US);
Other;
Abstract
Apparatus for generating coded signals commensurate with information to be entered into associated equipment includes a matrix of magnetically operated switches. The switches are disposed beneath a generally planar data entry area and transparent indicia bearing overlays are received on the data entry area; the overlays including target points aligned with individual switches and there typically being fewer target points than switches whereby the overlay has space for the indicia and a plurality of overlays are utilized to take full advantage of the capability of the matrix. The apparatus may also include light emitting devices associated with the switches to provide operator feedback or guidance.