Focal spot sensing device and method in an imaging system

Details Focal spot sensing device and method in an imaging system Focal spot sensing device and method in an imaging system

2007-10-23

2007-10-23

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C378S019000, C250S370090, C250S370100

Reexamination Certificate

active

10707422

ABSTRACT:
A focal spot sensing device includes: a housing that resists x-ray beams; an opening disposed in a wall of the housing that allows an x-ray beam to enter the housing; and a sensor device disposed in the housing that interprets a position of the x-ray beam for calculating a position of a focal spot. An imaging system includes: an x-ray source that produces an x-ray beam and has a focal spot; a detector array that receives the x-ray beam and includes a focal spot sensing device, the focal spot sensing device includes: a housing that resists x-ray beams; an opening disposed in a wall of the housing that allows the x-ray beam to enter the housing; and a sensor device disposed in the housing that interprets a position of the x-ray beam for calculating a position of the focal spot. A method for sensing a focal spot, the method includes: receiving an x-ray beam into an opening of a focal spot sensing device; interpreting a position of the x-ray beam; and calculating or measuring a position of a focal spot.

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