(19)
(11) EP 1 784 837 A2

(12)

(88) Date of publication A3:
14.12.2006

(43) Date of publication:
16.05.2007 Bulletin 2007/20

(21) Application number: 05794388.8

(22) Date of filing: 02.09.2005
(51) International Patent Classification (IPC): 
G21G 4/00(2006.01)
H05G 2/00(2006.01)
(86) International application number:
PCT/US2005/031428
(87) International publication number:
WO 2006/029026 (16.03.2006 Gazette 2006/11)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 03.09.2004 US 933806
03.09.2004 US 933852

(71) Applicant: Varian Medical Systems Technologies, Inc.
Palo Alto, CA 94301 (US)

(72) Inventors:
  • ANDREWS, Gregory, C.
    Draper, UT 84020 (US)
  • BOYE, James, R.
    Salt Lake City, UT 84103 (US)

(74) Representative: Foster, Mark Charles et al
Mathisen & Macara The Coach House 6-8 Swakeleys Road
Ickenham, Uxbridge UB10 8BZ
Ickenham, Uxbridge UB10 8BZ (GB)

   


(54) SHIELD STRUCTURE AND FOCAL SPOT CONTROL ASSEMBLY FOR X-RAY DEVICE