专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11239537B2 Microwave resonator, a microwave filter and a microwave multiplexer 有权
公开(公告)号：US11239537B2
公开(公告)日：2022-02-01
申请号：US16485667
申请日：2018-02-13
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P1/208 , H01P5/02 , H01P7/06 , H01P7/10
摘要： A microwave resonator comprising a hollow tube comprising fan electrically conductive tube wall which defines a tube bore, the tube extending along a length axis from a first end to a second end; a first electrically conductive closing plate closing the first end of the tube; a second electrically conductive closing plate closing the second end of the tube; a plurality of dielectric resonant pucks, each puck comprising first and second end faces and a side wall extending therebetween, each puck being dimensioned such that its dominant mode is a doubly degenerate mode; the pucks being arranged within the tube bore spaced apart from each other and the closing plates, each puck being arranged with its end faces normal to the length axis and centered on the length axis and its side wall abutting the tube wall such that there is no air gap between the puck and tube wall which extends from one end face to the other of the puck, the puck adjacent to the first closing plate being termed the input puck; each puck being separated from the adjacent puck in the tube bore by a coupling gap, each coupling gap having ah electrically conductive iris plate arranged therein, each iris plate being arranged normal to the length axis, each iris plate comprising at least one coupling slot extending therethrough; an input microwave coupler adapted to receive a microwave signal and provide it to the input puck; each puck comprising a symmetry breaking structure for modifying the frequency of one of the degenerate modes relative to the other and the coupling between the two modes.

2. 发明授权

US10819376B2 Microwave switched multiplexer and a mobile telecommunications device including such a multiplexer 有权
公开(公告)号：US10819376B2
公开(公告)日：2020-10-27
申请号：US16326610
申请日：2016-09-08
申请人： ISOTEK MICROWAVE LIMITED
发明人： David Rhodes
IPC分类号： H04B1/00 , H04B1/69 , H05B6/70 , H03H7/01 , H03H7/46 , H01P1/213 , H03H9/70 , H03H9/72 , H03H9/17
摘要： A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.

3. 发明申请

US20190222235A1 A MICROWAVE SWITCHED MULTIPLEXER AND A MOBILE TELECOMMUNICATIONS DEVICE INCLUDING SUCH A MULTIPLEXER 审中-公开
公开(公告)号：US20190222235A1
公开(公告)日：2019-07-18
申请号：US16326612
申请日：2016-09-08
申请人： ISOTEK MICROWAVE LIMITED
发明人： David Rhodes
IPC分类号： H04B1/00
摘要： A microwave switched multiplexer having a bandpass At between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising n signal channels, where n>1, each signal channel having a signal bandpass at a center frequency within M, the center frequencies of the signal channels being equally spaced apart by Δf/n; each signal channel comprising (a) a switch having first, second and third ports, the switch being adapted to be switched between a transmit position in Which the first port is connected to the second port, a receive position in which the first port is connected to the third port and an off position in which the first port is not connected to either second or third ports; (b) a common line extending from an antenna end to the first port, the common; line ι comprising an input resonator and a center resonator connected together in cascade, the center resonator being coupled between the resonator and the first port.

4. 发明授权

US11056755B2 Microwave resonator 有权
公开(公告)号：US11056755B2
公开(公告)日：2021-07-06
申请号：US16485665
申请日：2018-02-13
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P1/208 , H01P5/02 , H01P7/06 , H01P7/10
摘要： A microwave resonator comprising a hollow tube comprising a plurality of electrically conductive wall faces which together define a tube wall defining a tube bore, the tube extending along a length axis from a first end to a second end; the tube wall having an N fold rotational symmetry about the length axis where 2

5. 发明申请

US20210043994A1 A MICROWAVE RESONATOR, A MICROWAVE FILTER AND A MICROWAVE MULTIPLEXER 有权
公开(公告)号：US20210043994A1
公开(公告)日：2021-02-11
申请号：US16979800
申请日：2019-02-28
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P1/208 , H01P7/10 , H01P7/06
摘要： A microwave resonator comprising a hollow tube comprising an electrically conductive tube wall which defines a tube bore, the tube extending along a length axis from a first end to a second end; a first electrically conductive closing plate closing the first end of the tube, the first electrically conductive closing plate comprising at least one coupling slot extending therethrough; a second electrically conducting closing plate closing the second end of the tube, the second electrically conductive closing plate comprising at least one coupling slot extending therethrough; a plurality of dielectric resonant pucks, each puck comprising first and second end faces and a side wall extending therebetween, each puck being dimensioned such that when in the tube its dominant mode is a doubly degenerate mode; the pucks being arranged within the tube bore spaced apart from each other and the closing plates, each puck being arranged centered on the length axis and its side wall abutting the tube wall such that there is no air gap between the puck and the tube wall which extends from one end face to the other of the puck, the puck adjacent to the first closing plate being termed the input puck; each puck being separated from the adjacent puck in the tube bore by a coupling gap, each coupling gap having an electrically conductive iris plate arranged therein, each iris plate being arranged normal to the length axis, each iris plate comprising at feast one coupling slot extending therethrough; a single mode input microwave resonator adapted to provide a microwave signal to the input puck; each puck comprising a symmetry breaking structure for modifying the frequency of one of the degenerate modes relative to the other and the coupling between the two modes; each puck further comprising a central aperture extending from one end face to the other along the length axis; and, each central aperture comprising at least one electrically conductive insert arranged therein.

6. 发明授权

US10804941B2 Microwave switched multiplexer and a mobile telecommunications device including such a multiplexer 有权
公开(公告)号：US10804941B2
公开(公告)日：2020-10-13
申请号：US16326612
申请日：2016-09-08
申请人： ISOTEK MICROWAVE LIMITED
发明人： David Rhodes
IPC分类号： H04B1/00 , H03H7/46 , H01P1/213 , H04B1/69 , H05B6/70 , H03H9/70 , H03H7/01 , H03H9/72 , H03H9/17
摘要： A microwave switched multiplexer having a bandpass At between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising n signal channels, where n>1, each signal channel having a signal bandpass at a center frequency within M, the center frequencies of the signal channels being equally spaced apart by Δf/n; each signal channel comprising (a) a switch having first, second and third ports, the switch being adapted to be switched between a transmit position in Which the first port is connected to the second port, a receive position in which the first port is connected to the third port and an off position in which the first port is not connected to either second or third ports; (b) a common line extending from an antenna end to the first port, the common; line ι comprising an input resonator and a center resonator connected together in cascade, the center resonator being coupled between the resonator and the first port.

7. 发明授权

US11342644B2 Microwave resonator, a microwave filter and a microwave multiplexer 有权
公开(公告)号：US11342644B2
公开(公告)日：2022-05-24
申请号：US16979800
申请日：2019-02-28
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P1/208 , H01P7/06 , H01P7/10 , H01P1/213
摘要： A microwave resonator comprising a hollow tube comprising an electrically conductive tube wall which defines a tube bore, the tube extending along a length axis from a first end to a second end; a first electrically conductive closing plate closing the first end of the tube, the first electrically conductive closing plate comprising at least one coupling slot extending therethrough; a second electrically conducting closing plate closing the second end of the tube, the second electrically conductive closing plate comprising at least one coupling slot extending therethrough; a plurality of dielectric resonant pucks, each puck comprising first and second end faces and a side wall extending therebetween, each puck being dimensioned such that when in the tube its dominant mode is a doubly degenerate mode; the pucks being arranged within the tube bore spaced apart from each other and the closing plates, each puck being arranged centered on the length axis and its side wall abutting the tube wall such that there is no air gap between the puck and the tube wall which extends from one end face to the other of the puck, the puck adjacent to the first closing plate being termed the input puck; each puck being separated from the adjacent puck in the tube bore by a coupling gap, each coupling gap having an electrically conductive iris plate arranged therein, each iris plate being arranged normal to the length axis, each iris plate comprising at least one coupling slot extending therethrough; a single mode input microwave resonator adapted to provide a microwave signal to the input puck; each puck comprising a symmetry breaking structure for modifying the frequency of one of the degenerate modes relative to the other and the coupling between the two modes; each puck further comprising a central aperture extending from one end face to the other along the length axis; and, each central aperture comprising at least one electrically conductive insert arranged therein.

8. 发明申请

US20200052360A1 A MICROWAVE RESONATOR 审中-公开
公开(公告)号：US20200052360A1
公开(公告)日：2020-02-13
申请号：US16485665
申请日：2018-02-13
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P7/06
摘要： A microwave resonator comprising a hollow tube comprising a plurality of electrically conductive wall faces which together define a tube wall defining a tube bore, the tube extending along a length axis from a first end to a second end; the tube wall having an N fold rotational symmetry about the length axis where 2

9. 发明申请

US20190386365A1 MICROWAVE RESONATOR, A MICROWAVE FILTER AND A MICROWAVE MULTIPLEXER 审中-公开
公开(公告)号：US20190386365A1
公开(公告)日：2019-12-19
申请号：US16485667
申请日：2018-02-13
申请人： ISOTEK MICROWAVE LIMITED
发明人： John David Rhodes , David Ibbetson , Vanessa Walker , Christopher Ian Mobbs
IPC分类号： H01P1/208 , H01P7/06 , H01P7/10 , H01P5/02
摘要： A microwave resonator comprising a hollow tube comprising fan electrically conductive tube wall which defines a tube bore, the tube extending along a length axis from a first end to a second end; a first electrically conductive closing plate closing the first end of the tube; a second electrically conductive closing plate closing the second end of the tube; a plurality of dielectric resonant pucks, each puck comprising first and second end faces and a side wall extending therebetween, each puck being dimensioned such that its dominant mode is a doubly degenerate mode; the pucks being arranged within the tube bore spaced apart from each other and the closing plates, each puck being arranged with its end faces normal to the length axis and centered on the length axis and its side wall abutting the tube wall such that there is no air gap between the puck and tube wall which extends from one end face to the other of the puck, the puck adjacent to the first closing plate being termed the input puck; each puck being separated from the adjacent puck in the tube bore by a coupling gap, each coupling gap having ah electrically conductive iris plate arranged therein, each iris plate being arranged normal to the length axis, each iris plate comprising at least one coupling slot extending therethrough; an input microwave coupler adapted to receive a microwave signal and provide it to the input puck; each puck comprising a symmetry breaking structure for modifying the frequency of one of the degenerate modes relative to the other and the coupling between the two modes.

10. 发明申请

US20190222234A1 A MICROWAVE SWITCHED MULTIPLEXER AND A MOBILE TELECOMMUNICATIONS DEVICE INCLUDING SUCH A MULTIPLEXER 审中-公开
公开(公告)号：US20190222234A1
公开(公告)日：2019-07-18
申请号：US16326610
申请日：2016-09-08
申请人： ISOTEK MICROWAVE LIMITED
发明人： David Rhodes
IPC分类号： H04B1/00
摘要： A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式