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:
Nov. 23, 1976
Filed:
May. 16, 1975
Applicant:
Inventors:
Jean Hubertus Lorteije, Eindhoven, NL;
Maurice Vincent Whelan, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G01D / ;
U.S. Cl.
CPC ...
3403 / ; 307304 ; 324122 ; 340172 ; 357 23 ; 357 45 ;
Abstract
A device for driving or energizing a display device in which an input signal varying stepwise or continuously in amplitude is converted into one or more output signals supplied to the display device by means of a semiconductor surface layer which can be controlled with a common gate electrode and preferably with an inversion layer which can be controlled in lateral extent.