(19)
(11) EP 2 294 597 A2

(12)

(88) Date of publication A3:
25.03.2010

(43) Date of publication:
16.03.2011 Bulletin 2011/11

(21) Application number: 09759450.1

(22) Date of filing: 04.06.2009
(51) International Patent Classification (IPC): 
H01J 25/34(2006.01)
H03F 3/58(2006.01)
H01J 23/20(2006.01)
(86) International application number:
PCT/US2009/046305
(87) International publication number:
WO 2009/149291 (10.12.2009 Gazette 2009/50)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 05.06.2008 US 59182

(71) Applicant: Innosys, Inc.
Salt Lake City, UT 84115 (US)

(72) Inventors:
  • HWU, Ruey-Jen
    Salt Lake City, UT (US)
  • SADWICK, Laurence, P.
    Salt Lake City, UT (US)
  • REN, Jishi
    Ottawa, Ontario K2J0E8 (CA)

(74) Representative: Martin, Philip John 
Marks & Clerk LLP 62-68 Hills Road
Cambridge CB2 1LA
Cambridge CB2 1LA (GB)

   


(54) COUPLED CAVITY TRAVELING WAVE TUBE