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:
Mar. 24, 1981
Filed:
Dec. 20, 1977
Applicant:
Inventors:
Meinolph Kaufmann, Fislisbach, CH;
Allan R Kmetz, Nussbaumen, CH;
Assignee:
BBC Brown Boveri & Company Limited, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
340765 ; 340754 ; 340805 ; 340784 ;
Abstract
A display device including a plurality of adjoining display elements which comprise front and rear electrodes. The display elements are disposed geometrically in at least one row and are electrically grouped together to form at least one matrix. The display device further includes a drive circuit which drives the display elements in such a manner that along each row there is at most one transition from a first optical condition to a second optical condition different from the first.