Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Reexamination Certificate
2006-03-17
2009-11-17
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
C315S500000
Reexamination Certificate
active
07619363
ABSTRACT:
An energy switch for use in a radiation system includes an element located within a structure having a cavity, the element capable of being biased by a magnetic field, and a device for generating the magnetic field to thereby bias the element. An energy switch for use in a radiation system includes a structure forming at least a part of a cavity, an element coupled to the structure and located outside the cavity, the element capable of being biased by a magnetic field, and a device for generating the magnetic field to bias the element. A method for use in a radiation procedure includes providing a first magnetic field, and using the first magnetic field to create a first bias for an element that is located outside a cavity of an accelerator, thereby changing en electric field associated with the accelerator.
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patent: 2005/0057198 (2005-03-01), Hanna
Tanabe Eiji
Whittum David H.
Alemu Ephrem
Owens Douglas W
Varian Medical Systems Inc.
Vista IP Law Group LLP.
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