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1.Stub supported stripline helical slow wave circuit for electron tube 失效
Title translation: 短管支持带状线螺旋慢波电路用于电子管公开(公告)号:US3387170A
公开(公告)日:1968-06-04
申请号:US45414065
申请日:1965-05-07
Applicant: SFD LAB INC
Inventor: FARNEY GEORGE K , JOSEPH FEINSTEIN
IPC: H01J25/58
CPC classification number: H01J25/58
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公开(公告)号:US3296484A
公开(公告)日:1967-01-03
申请号:US12888161
申请日:1961-08-02
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN
IPC: H01J25/49
CPC classification number: H01J25/49
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3.Meandering slow wave circuit having high impedance stub support means 失效
Title translation: 具有高阻抗短截线支持装置的曲折慢波电路公开(公告)号:US3231780A
公开(公告)日:1966-01-25
申请号:US6258660
申请日:1960-10-14
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN
CPC classification number: H01J23/005 , H01J23/24 , H01J25/44
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4.Crossed field microwave tube having toroidal helical slow wave structure formed by a plurality of spaced slots 失效
Title translation: 交叉场微波管具有由多个间隔开的槽形成的环形螺旋慢波结构公开(公告)号:US3376463A
公开(公告)日:1968-04-02
申请号:US40630564
申请日:1964-10-26
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN
CPC classification number: H01J23/26 , H01J25/42 , H01J25/58 , Y10T29/49016
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公开(公告)号:US3096462A
公开(公告)日:1963-07-02
申请号:US1631360
申请日:1960-03-21
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN
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公开(公告)号:US3346766A
公开(公告)日:1967-10-10
申请号:US35174964
申请日:1964-03-13
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN
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公开(公告)号:US3255422A
公开(公告)日:1966-06-07
申请号:US21723862
申请日:1962-08-07
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN , JEROME DREXLER , MCDOWELL HUNTER L
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8.Cross fields nonreciprocal attenuator electron discharge device 失效
Title translation: 交叉场非互易衰减器电子放电装置公开(公告)号:US3192435A
公开(公告)日:1965-06-29
申请号:US1645860
申请日:1960-03-21
Applicant: SFD LAB INC
Inventor: JOSEPH FEINSTEIN , JEROME DREXLER
IPC: H01J25/44
CPC classification number: H01J25/44
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