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:
Aug. 25, 2009
Filed:
Feb. 13, 2006
Applicant:
Stuart William Andrews, Langham Colchester, GB;
Inventor:
Stuart William Andrews, Langham Colchester, GB;
Assignee:
E2V Technologies (UK) Limited, Chelmsford, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J 23/087 (2006.01); H01J 25/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electron beam tube device has a magnetic frame with the top part being pivotable so as to pivot from a closed position in which the top part, including an electromagnetic coil covers the electron beam tube to an open position in which the electron beam tube is uncovered. This allows electron beam tubes with either large parts or integral parts such as output feeders to be removed from the magnetic frame without complete removal of the top plate.