GB2388717B - Read notes before granting - Google Patents

Read notes before granting

Info

Publication number
GB2388717B
GB2388717B GB0227453A GB0227453A GB2388717B GB 2388717 B GB2388717 B GB 2388717B GB 0227453 A GB0227453 A GB 0227453A GB 0227453 A GB0227453 A GB 0227453A GB 2388717 B GB2388717 B GB 2388717B
Authority
GB
United Kingdom
Prior art keywords
before granting
notes before
read notes
read
granting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0227453A
Other versions
GB2388717A (en
GB0227453D0 (en
Inventor
Naoki Tsuji
Yasujirou Minamitani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Japan Radio Co Ltd
Original Assignee
New Japan Radio Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by New Japan Radio Co Ltd filed Critical New Japan Radio Co Ltd
Publication of GB0227453D0 publication Critical patent/GB0227453D0/en
Publication of GB2388717A publication Critical patent/GB2388717A/en
Application granted granted Critical
Publication of GB2388717B publication Critical patent/GB2388717B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/54—Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/211—Waffle-iron filters; Corrugated structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/24—Terminating devices
    • H01P1/26—Dissipative terminations
    • H01P1/264—Waveguide terminations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
    • H01J2223/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2225/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
    • H01J2225/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
GB0227453A 2002-05-13 2002-11-25 Read notes before granting Expired - Fee Related GB2388717B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002136488 2002-05-13
JP2002166590A JP4299997B2 (en) 2002-05-13 2002-06-07 Magnetron device

Publications (3)

Publication Number Publication Date
GB0227453D0 GB0227453D0 (en) 2002-12-31
GB2388717A GB2388717A (en) 2003-11-19
GB2388717B true GB2388717B (en) 2006-03-15

Family

ID=26625725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0227453A Expired - Fee Related GB2388717B (en) 2002-05-13 2002-11-25 Read notes before granting

Country Status (2)

Country Link
JP (1) JP4299997B2 (en)
GB (1) GB2388717B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101943321B1 (en) 2012-11-12 2019-01-29 엘지전자 주식회사 Lighting apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661857A (en) * 1946-08-22 1951-11-28 Western Electric Co Improvements in or relating to microwave testing systems, particularly for short pulse transmitters
JPS55114008A (en) * 1979-02-27 1980-09-03 Nec Corp Coaxial waveguide conversion type oscillator
US4749973A (en) * 1985-06-20 1988-06-07 Hitachi Heating Appliances Co., Ltd. Waveguide filter used in a microwave oven
US5910710A (en) * 1996-11-22 1999-06-08 Fusion Lighting, Inc. Method and apparatus for powering an electrodeless lamp with reduced radio frequency interference
GB2357630A (en) * 1999-12-21 2001-06-27 Marconi Applied Techn Ltd Magnetron with coaxial output extending in same direction as energy is transmitted along rectangular waveguide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661857A (en) * 1946-08-22 1951-11-28 Western Electric Co Improvements in or relating to microwave testing systems, particularly for short pulse transmitters
JPS55114008A (en) * 1979-02-27 1980-09-03 Nec Corp Coaxial waveguide conversion type oscillator
US4749973A (en) * 1985-06-20 1988-06-07 Hitachi Heating Appliances Co., Ltd. Waveguide filter used in a microwave oven
US5910710A (en) * 1996-11-22 1999-06-08 Fusion Lighting, Inc. Method and apparatus for powering an electrodeless lamp with reduced radio frequency interference
GB2357630A (en) * 1999-12-21 2001-06-27 Marconi Applied Techn Ltd Magnetron with coaxial output extending in same direction as energy is transmitted along rectangular waveguide

Also Published As

Publication number Publication date
JP4299997B2 (en) 2009-07-22
JP2004048087A (en) 2004-02-12
GB2388717A (en) 2003-11-19
GB0227453D0 (en) 2002-12-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141125