Global Patent Index - EP 1485933 B1

EP 1485933 B1 20090826 - MAGNETRON

Title (en)

MAGNETRON

Title (de)

MAGNETRON

Title (fr)

MAGNETRON

Publication

EP 1485933 B1 20090826 (EN)

Application

EP 03708352 A 20030317

Priority

  • GB 0301108 W 20030317
  • GB 0206242 A 20020316

Abstract (en)

[origin: WO03079394A1] A magnetron comprises an anode (2) having at least one vane (3), which defines a plurality of cavities. A dielectric resonator (7) is located such that it is in communication with the vane(s). The dielectric resonator includes a lossy portion. In use, the dielectric resonator at least partially absorbs spurious radiation generated in a predetermined mode of operation of the magnetron, such as the pi - 1 mode. Power generated in the pi - 1 mode, if transmitted, may interfere with other electronic devices. The resonator may be of ceramics material, such as alumina. The lossy material may comprise carbon-loaded ceramic.

IPC 8 full level

H01J 23/20 (2006.01); H01J 25/50 (2006.01); H01J 23/54 (2006.01); H03B 9/10 (2006.01)

CPC (source: EP KR)

H01J 23/54 (2013.01 - EP); H01J 25/50 (2013.01 - EP KR)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 03079394 A1 20030925; AT E441201 T1 20090915; AU 2003212532 A1 20030929; CN 100342478 C 20071010; CN 1643637 A 20050720; DE 60328975 D1 20091008; EP 1485933 A1 20041215; EP 1485933 B1 20090826; GB 0206242 D0 20020501; GB 2386749 A 20030924; GB 2386749 B 20051123; JP 2005521201 A 20050714; JP 4301958 B2 20090722; KR 20040102044 A 20041203

DOCDB simple family (application)

GB 0301108 W 20030317; AT 03708352 T 20030317; AU 2003212532 A 20030317; CN 03806170 A 20030317; DE 60328975 T 20030317; EP 03708352 A 20030317; GB 0206242 A 20020316; JP 2003577294 A 20030317; KR 20047014541 A 20030317