GB1351871A - Mode filter for an electromagnetic waveguide - Google Patents
Mode filter for an electromagnetic waveguideInfo
- Publication number
- GB1351871A GB1351871A GB370671*[A GB1351871DA GB1351871A GB 1351871 A GB1351871 A GB 1351871A GB 1351871D A GB1351871D A GB 1351871DA GB 1351871 A GB1351871 A GB 1351871A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- layer
- helix
- feb
- mode filter
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/163—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion specifically adapted for selection or promotion of the TE01 circular-electric mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/52—Systems for transmission between fixed stations via waveguides
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
1351871 Waveguides BRITISH INSULATED CALLENDERS CABLES Ltd 2 Feb 1972 [2 Feb 1971] 3706/71 Heading H1W A mode filter for use with circular waveguides comprises an inner tubular layer of insulating material (omitted from Fig. 3) on the exterior of which are either a plurality of spaced, continuous, conductive circumferential rings 13 or at least one helix of conductive material. A reinforcing insulating layer 11 covers the rings or helix with the possible intervention of a lossy layer, and the insulating layer may be protected by a thin steel jacket or a braided wire sleeve. Sockets 18 at the ends of the filter permit direct connection of circular waveguides, but separate couplings may be used. Methods of building up the filter on a cylindrical mandrel are described and claimed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB370671 | 1971-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1351871A true GB1351871A (en) | 1974-05-01 |
Family
ID=9763430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB370671*[A Expired GB1351871A (en) | 1971-02-02 | 1971-02-02 | Mode filter for an electromagnetic waveguide |
Country Status (3)
Country | Link |
---|---|
US (1) | US3771078A (en) |
FR (1) | FR2124407A1 (en) |
GB (1) | GB1351871A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1510112A (en) * | 1974-03-29 | 1978-05-10 | Bicc Ltd | Electromagnetic waveguides |
US5942956A (en) * | 1996-01-18 | 1999-08-24 | Purdue Research Foundation | Design method for compact waveguide mode control and converter devices |
US9531048B2 (en) | 2013-03-13 | 2016-12-27 | Space Systems/Loral, Llc | Mode filter |
US9225052B2 (en) * | 2013-08-29 | 2015-12-29 | Thinkom Solutions, Inc. | Ruggedized low-relection/high-transmission integrated spindle for parallel-plate transmission-line structures |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2644028A (en) * | 1942-05-04 | 1953-06-30 | Edwin J Bernet | Expansion joint for coaxial lines |
US2544842A (en) * | 1943-06-23 | 1951-03-13 | James L Lawson | Overload protection of highfrequency receivers |
DE866960C (en) * | 1944-03-12 | 1953-02-12 | Siemens Ag | Hollow cable for mobile shortwave transmitting and receiving systems for the transmission of frequencies between 1 and 10 gigahertz |
US2564007A (en) * | 1947-11-14 | 1951-08-14 | Bell Telephone Labor Inc | Coupling for wave guides |
DE820455C (en) * | 1949-11-01 | 1951-11-12 | Siemens & Halske A G | Connection point for hollow tube cable |
US2695255A (en) * | 1950-10-25 | 1954-11-23 | Douglas W Avery | Method of expanding an elastic liner against the inner surface of a pipe |
US2848695A (en) * | 1954-03-15 | 1958-08-19 | Bell Telephone Labor Inc | Electromagnetic wave transmission |
US3066268A (en) * | 1955-08-05 | 1962-11-27 | Int Standard Electric Corp | Electric waveguide construction |
NL230209A (en) * | 1957-08-23 | |||
BE570125A (en) * | 1957-08-23 | |||
US3003020A (en) * | 1958-12-19 | 1961-10-03 | Bell Telephone Labor Inc | Joining assembly for wave guide sections or the like |
GB960683A (en) * | 1959-11-30 | 1964-06-17 | Marconi Co Ltd | Improvements in or relating to waveguides |
US3149295A (en) * | 1962-05-28 | 1964-09-15 | Dow Chemical Co | Waveguide joining by criss-cross welding of extended flanges |
GB1151763A (en) * | 1965-12-08 | 1969-05-14 | Nat Res Dev | Electromagnetic Waveguides. |
US3573681A (en) * | 1969-03-12 | 1971-04-06 | Bell Telephone Labor Inc | Helical waveguide formed from dielectric ribbon having symmetrically disposed conductive strips on opposite sides |
-
1971
- 1971-02-02 GB GB370671*[A patent/GB1351871A/en not_active Expired
-
1972
- 1972-02-01 US US00222478A patent/US3771078A/en not_active Expired - Lifetime
- 1972-02-02 FR FR7203514A patent/FR2124407A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2124407A1 (en) | 1972-09-22 |
US3771078A (en) | 1973-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |