发明授权
- 专利标题: Helix type travelling-wave tube amplifier
- 专利标题(中): 螺旋式行波管放大器
-
申请号: US818570申请日: 1977-07-25
-
公开(公告)号: US4138625A公开(公告)日: 1979-02-06
- 发明人: Kaoru Koyama , Tsutomu Kyuzaki , Toshimoto Kikuchi
- 申请人: Kaoru Koyama , Tsutomu Kyuzaki , Toshimoto Kikuchi
- 申请人地址: JPX
- 专利权人: Nippon Electric Co., Ltd.
- 当前专利权人: Nippon Electric Co., Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX51-88864 19760726
- 主分类号: H01J23/26
- IPC分类号: H01J23/26 ; H01J23/40 ; H01J23/42 ; H01J23/48 ; H01J23/54 ; H01J25/34
摘要:
A band-rejection filter which rejects harmonic components of the fundamental frequency of the output of a helix type travelling-wave tube is built into the connection of the output connection from the tube to its external circuit. A wide variety of specific filter structures are disclosed.
公开/授权文献
- US6120431A Method for assisting stystolic and diastolic cardiac function 公开/授权日:2000-09-19
信息查询