Alexander M Blok

US Patent:

7095821, Aug 22, 2006

Filed:

Jul 25, 2003

Appl. No.:

10/604498

Inventors:

Gregory A. Steinlage - Milwaukee WI, US
Alexander M. Blok - Milwaukee WI, US
Mohamed Osama - Niskayuna NY, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

H01J 35/10
H01J 35/26

US Classification:

378131, 378129, 310 85, 310211, 310262

Abstract:

An rotor assembly () for an imaging X-ray tube () is provided. The imaging X-ray tube rotor assembly () includes at least partially a magnetic non-corrosive material. A method of producing the imaging tube X-ray rotor assembly () is also provided including forming a rotor core () at least partially from a magnetic non-corrosive material.

US Patent:

54083818, Apr 18, 1995

Filed:

Apr 28, 1994

Appl. No.:

8/234221

Inventors:

Paul E. Thoma - Cedarburg WI
Carl F. Klein - New Berlin WI
Alexander M. Blok - Bayside WI
Andrew R. Ralston - Madison WI

Assignee:

Johnson Service Company - Milwaukee WI

International Classification:

H01G 700

US Classification:

361286

Abstract:

A capacitance humidity sensor according to the invention has a film core which is in contact with a pair of conductive layers bonded to opposite faces of the core. The core is made of a polyimide having a dielectric constant which varies substantially linearly with humidity and which includes at least one ether linkage in the dianhydride portion thereof. The polyimide may also include at least one ether linkage in the diamine portion thereof and/or at least one fluorine atom in the diamine, dianhydride or both the diamine and dianhydride portions thereof.

US Patent:

62158503, Apr 10, 2001

Filed:

Dec 22, 1998

Appl. No.:

9/218347

Inventors:

James A. Blake - Franklin WI
Jonathan R. Schmidt - Wales WI
Alexander M. Blok - Milwaukee WI

Assignee:

General Electric Company - Schenectady NY

International Classification:

H05G 106

US Classification:

378114

Abstract:

The present invention, in one form, includes methods and apparatus for reducing the x-ray dosage to a patient in a medical imaging system. In accordance with one embodiment of the present invention, a switching unit, or circuit, is coupled to a x-ray tube and a power supply to control the emission of x-ray beams from the x-ray tube. The switching unit is configured to alter a voltage and current signal applied to the x-ray tube control grid so that the magnitude of the x-ray beams is modified, or altered. By utilizing the switching unit the patient x-ray dosage is reduced and the magnitude of the x-ray beams may be configured to match the requirements of the application.