Coupler with waveguide transition for an antenna in a radar-based level measurement system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H03H-007/38
G01S-013/08
G01S-013/00
출원번호
US-0037925
(2005-01-18)
등록번호
US-7453393
(2008-11-18)
발명자
/ 주소
Duivenvoorden,Johannes Theodorus Cornelis
출원인 / 주소
Siemens Milltronics Process Instruments Inc.
대리인 / 주소
Tarolli, Sundheim, Covell & Tummino LLP
인용정보
피인용 횟수 :
172인용 특허 :
23
초록▼
A mechanism for coupling a coaxial waveguide to another waveguide. The mechanism includes a lower or matching waveguide and an impedance transformer. A coaxial port couples the coaxial waveguide to the matching waveguide. The matching waveguide has a waveguide impedance which is close to the impedan
A mechanism for coupling a coaxial waveguide to another waveguide. The mechanism includes a lower or matching waveguide and an impedance transformer. A coaxial port couples the coaxial waveguide to the matching waveguide. The matching waveguide has a waveguide impedance which is close to the impedance of the coaxial waveguide. This arrangement allows matching between the coaxial waveguide and the matching waveguide over a wider frequency band. The impedance transformer couples the matching waveguide to the other waveguide. The impedance transformer comprises a single-stage, double-stage, or multi-stage transformer. The mechanism is suitable for coupling an antenna to a coaxial cable interface in a radar or microwave based level measurement or time of flight ranging systems.
대표청구항▼
What is claimed is: 1. A coupler mechanism for coupling a coaxial waveguide with a circular waveguide having a TE11 waveguide mode of operation, said coupler mechanism comprising: a coaxial waveguide port for receiving said coaxial waveguide, said coaxial waveguide having a coaxial waveguide impeda
What is claimed is: 1. A coupler mechanism for coupling a coaxial waveguide with a circular waveguide having a TE11 waveguide mode of operation, said coupler mechanism comprising: a coaxial waveguide port for receiving said coaxial waveguide, said coaxial waveguide having a coaxial waveguide impedance; a port for coupling said circular waveguide, said circular waveguide having a circular waveguide impedance; an impedance transformer; a matching waveguide; and a body member, said body member having a stepped section, said stepped section receiving said impedance transformer; said matching waveguide being coupled to said coaxial waveguide port, said matching waveguide having an impedance matching the impedance of said coaxial waveguide and said matching waveguide further comprising a rounded rectangular waveguide having a quasi-TE10 waveguide mode of operation; said impedance transformer having a first port for receiving said matching waveguide, a second port for said circular waveguide and a transition section, said transition section having one or more waveguide transitions and serving to match the impedance of said circular waveguide with the impedance of said matching waveguide; and said stepped section in said body member having one or more steps corresponding to said waveguide transitions. 2. The coupler mechanism as claimed in claim 1, wherein said impedance transformer comprises a two-stage impedance transformer having two of said waveguide transitions. 3. The coupler mechanism as claimed in claim 1, wherein said waveguide transitions comprise straight stepped transitions. 4. The coupler mechanism as claimed in claim 1, wherein said waveguide transitions comprise rounded stepped transitions. 5. The coupler mechanism as claimed in claim 1, wherein said waveguide transitions comprise angled stepped transitions. 6. The coupler mechanism as claimed in claim 1, wherein said matching waveguide comprises a substantially rectangular waveguide, said substantially rectangular waveguide having a TE10 waveguide mode of operation, and said circular waveguide having a TE11 waveguide mode of operation. 7. The coupler mechanism as claimed in claim 1, wherein said impedance transformer comprises a multiple stage impedance transformer having a plurality of said waveguide transitions corresponding to the number of stages. 8. The antenna coupler mechanism as claimed in claim 7, wherein said other waveguide comprises a circular waveguide, and said circular waveguide couples to the second port of said impedance transformer. 9. The coupler mechanism as claimed in claim 8, wherein said matching waveguide comprises a substantially rectangular waveguide, said substantially rectangular waveguide having a TE10 waveguide mode of operation, and said circular waveguide having a TE11 waveguide mode of operation. 10. The coupler mechanism as claimed in claim 8, wherein said matching waveguide comprises a rounded rectangular waveguide, said rounded rectangular waveguide having a quasi-TE10 waveguide mode of operation, and said circular waveguide having a TE11 waveguide mode of operation. 11. Apparatus for coupling a coaxial waveguide with a circular waveguide having a TE11 waveguide mode of operation, said apparatus comprising: a coaxial waveguide port for receiving said coaxial waveguide, said coaxial waveguide having a coaxial waveguide impedance, and said circular waveguide having an associated impedance; an impedance transformer; a matching waveguide; said matching waveguide being coupled to said coaxial waveguide port, said matching waveguide having an impedance matching the impedance of said coaxial waveguide and said matching waveguide further comprising a rectangular waveguide having a TE10 waveguide mode of operation; said impedance transformer having a first port for receiving said matching waveguide, a port for coupling to said circular waveguide and a transition section, said transition section having one or more waveguide transitions, said transition section serving to match the associated impedance of said circular waveguide with the impedance of said matching waveguide; a stepped section, said stepped section receiving said impedance transformer, and said stepped section having one or more steps corresponding to said waveguide transitions. 12. The apparatus as claimed in claim 11, wherein said impedance transformer comprises a two-stage impedance transformer having two of said waveguide transitions. 13. The apparatus as claimed in claim 12, wherein said waveguide transitions comprise straight stepped transitions. 14. The apparatus as claimed in claim 11, wherein said waveguide transitions comprise rounded stepped transitions. 15. The apparatus as claimed in claim 11, wherein said waveguide transitions comprise angled stepped transitions. 16. Apparatus for coupling a coaxial waveguide with a circular waveguide having a TE11 waveguide mode of operation, said apparatus comprising: a coaxial waveguide port for receiving said coaxial waveguide, said coaxial waveguide having a coaxial waveguide impedance, and said circular waveguide having an associated impedance; an impedance transformer; a matching waveguide; said matching waveguide being coupled to said coaxial waveguide port, and said matching waveguide having an impedance matching the impedance of said coaxial waveguide and said matching waveguide further comprising a rounded rectangular waveguide having a TE10 waveguide mode of operation; said impedance transformer having a first port for receiving said matching waveguide, a port for coupling to said circular waveguide and a transition section, said transition section having one or more waveguide transitions, said transition section serving to match the associated impedance of said circular waveguide with the impedance of said matching waveguide; a stepped section, said stepped section receiving said impedance transformer, and said stepped section having one or more steps corresponding to said waveguide transitions.
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Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Network termination and methods for use therewith.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Node device, repeater and methods for use therewith.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Node device, repeater and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Passive electrical coupling device and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Passive electrical coupling device and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Radial antenna and methods for use therewith.
Barzegar, Farhad; Barnickel, Donald J.; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J.; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Henry, Paul Shala; Blandino, George; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Remote distributed antenna system.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Gerszberg, Irwin; Barzegar, Farhad; Henry, Paul Shala; Bennett, Robert; Barnickel, Donald J; Willis, III, Thomas M., System for generating topology information and methods thereof.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with channel equalization and control and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with channel equalization and control and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J.; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J.; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium and communication interfaces and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium and method for facilitating propagation of electromagnetic waves via a core.
Barzegar, Farhad; Barnickel, Donald J; Bennett, Robert; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Transmission medium and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Transmission medium having multiple cores and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium having multiple cores and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M.; Guntin, Ed, Waveguide system and methods for inducing a non-fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M.; Guntin, Ed, Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium.
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