GB767518A - Improvements relating to electrical waveguide systems - Google Patents

Improvements relating to electrical waveguide systems

Info

Publication number
GB767518A
GB767518A GB365254A GB365254A GB767518A GB 767518 A GB767518 A GB 767518A GB 365254 A GB365254 A GB 365254A GB 365254 A GB365254 A GB 365254A GB 767518 A GB767518 A GB 767518A
Authority
GB
United Kingdom
Prior art keywords
guide
fins
signal
coupling
plane
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
Application number
GB365254A
Inventor
Kenneth Milne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB365254A priority Critical patent/GB767518A/en
Publication of GB767518A publication Critical patent/GB767518A/en
Expired legal-status Critical Current

Links

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
    • H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)

Abstract

767,518. Waveguide matching systems. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 8, 1955 [Feb. 8, 1954], No. 3652/54. Class 40 (8). Two signals polarized in mutually perpendicular directions are propagated in a common waveguide 1 of square or circular cross-section, one signal Y being introduced by an aligned branch coupling 3 and the other signal X by a H-plane coupling 4. The directions of the electric fields of the two waves are indicated on the drawing. The signal X is fed to the guide 1 by means of a resonant slot 5. A further resonant slot 8 spaced a distance #g/4 from the slot 5 permits broad-band operation. The lateral branch 4 is matched to the guide 1 by means of two fins 6, 7, each of length equal to a multiple of #g/2, the positions of the fins being adjusted to control respectively the reactive and resistive components of the impedance presented by the guide 1. Examples of suitable dimensions are given in the Specification. Where the common waveguide 1 is of square section the coupling to the lateral branch may be in the E-plane instead of the H-plane. In the case of a circular section guide the fins 6, 7 are curved to lie orthogonally to the electric field.
GB365254A 1954-02-08 1954-02-08 Improvements relating to electrical waveguide systems Expired GB767518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB365254A GB767518A (en) 1954-02-08 1954-02-08 Improvements relating to electrical waveguide systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB365254A GB767518A (en) 1954-02-08 1954-02-08 Improvements relating to electrical waveguide systems

Publications (1)

Publication Number Publication Date
GB767518A true GB767518A (en) 1957-02-06

Family

ID=9762363

Family Applications (1)

Application Number Title Priority Date Filing Date
GB365254A Expired GB767518A (en) 1954-02-08 1954-02-08 Improvements relating to electrical waveguide systems

Country Status (1)

Country Link
GB (1) GB767518A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074099B (en) * 1960-01-28 Telefunken G.m.b.H.. Berlin Polarization filter for microwaves
DE1128491B (en) * 1960-07-05 1962-04-26 Telefunken Patent Broadband polarization filter for very short electromagnetic waves
DE1166303B (en) * 1962-05-23 1964-03-26 Siemens Ag Adaptation device in waveguides, predominantly square cross-section, for the transmission of two linearly polarized waves oscillating perpendicular to one another
US3327250A (en) * 1964-11-16 1967-06-20 Technical Appliance Corp Multi-mode broad-band selective coupler
US4167715A (en) * 1978-06-22 1979-09-11 Bell Telephone Laboratories, Incorporated Wideband polarization coupler
EP0196081A2 (en) * 1985-03-27 1986-10-01 SELENIA SPAZIO S.p.A. Device for the combination without r.f. power loss of two or more microwave transmitters running in parallel and without any power ratio
EP0905813A2 (en) * 1997-09-24 1999-03-31 Alcatel Polarisation filter for the illumination of an antenna

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074099B (en) * 1960-01-28 Telefunken G.m.b.H.. Berlin Polarization filter for microwaves
DE1128491B (en) * 1960-07-05 1962-04-26 Telefunken Patent Broadband polarization filter for very short electromagnetic waves
DE1166303B (en) * 1962-05-23 1964-03-26 Siemens Ag Adaptation device in waveguides, predominantly square cross-section, for the transmission of two linearly polarized waves oscillating perpendicular to one another
US3327250A (en) * 1964-11-16 1967-06-20 Technical Appliance Corp Multi-mode broad-band selective coupler
US4167715A (en) * 1978-06-22 1979-09-11 Bell Telephone Laboratories, Incorporated Wideband polarization coupler
EP0196081A2 (en) * 1985-03-27 1986-10-01 SELENIA SPAZIO S.p.A. Device for the combination without r.f. power loss of two or more microwave transmitters running in parallel and without any power ratio
EP0196081A3 (en) * 1985-03-27 1988-08-24 Selenia Spazio S.P.A. Device for the combination without r.f. power loss of two or more microwave transmitters running in parallel and without any power ratio
EP0905813A2 (en) * 1997-09-24 1999-03-31 Alcatel Polarisation filter for the illumination of an antenna
EP0905813A3 (en) * 1997-09-24 2000-04-12 Alcatel Polarisation filter for the illumination of an antenna
US6130649A (en) * 1997-09-24 2000-10-10 Alcatel Polarizer for exciting an antenna

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