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:
Oct. 17, 1989
Filed:
Aug. 31, 1987
Applicant:
Inventors:
Bart van der Eijk, Heerlen, NL;
Johannes N van de Wiel, Heerlen, NL;
Engelbertus Rongen, Heerlen, NL;
Christiaan J Wulms, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313525 ; 313544 ; 313553 ; 220 / ;
Abstract
An X-ray image intensifier tube is constructed as a modulator system using modules which are uniform for as may different types of tube as possible. Whenever feasible, the modules are detachably combined so as to form one unit.