GB1400071A - Directional couplers - Google Patents

Directional couplers

Info

Publication number
GB1400071A
GB1400071A GB2872772A GB2872772A GB1400071A GB 1400071 A GB1400071 A GB 1400071A GB 2872772 A GB2872772 A GB 2872772A GB 2872772 A GB2872772 A GB 2872772A GB 1400071 A GB1400071 A GB 1400071A
Authority
GB
United Kingdom
Prior art keywords
path
wave energy
components
incident
directed along
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
GB2872772A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1400071A publication Critical patent/GB1400071A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguides (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB2872772A 1971-06-21 1972-06-20 Directional couplers Expired GB1400071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15499571A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
GB1400071A true GB1400071A (en) 1975-07-16

Family

ID=22553711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2872772A Expired GB1400071A (en) 1971-06-21 1972-06-20 Directional couplers

Country Status (6)

Country Link
US (1) US3741625A (https=)
BE (1) BE785084A (https=)
CA (1) CA930040A (https=)
DE (1) DE2229669A1 (https=)
FR (1) FR2143067A1 (https=)
GB (1) GB1400071A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063391A (en) * 1989-06-06 1991-11-05 The Trustees Of The University Of Penn. Method of measuring chiral parameters of a chiral material
US5948718A (en) * 1991-04-19 1999-09-07 Murata Manufacturing Co., Ltd. Dielectric ceramic polarizer

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034315A (en) * 1975-03-08 1977-07-05 Licentia Patent-Verwaltungs-G.M.B.H. Waveguide directional coupler
US4662722A (en) * 1985-05-23 1987-05-05 Ford Aerospace & Communications Corp. Polarization insensitive mirror
US5309422A (en) * 1991-06-10 1994-05-03 Alps Electric Co., Ltd. Light separation element and light receiving optical device using same
US5400179A (en) * 1992-02-18 1995-03-21 Asahi Kogaku Kogyo Kabushiki Kaisha Optical multilayer thin film and beam splitter
WO1994000782A1 (fr) * 1992-06-19 1994-01-06 Fujitsu Limited Photocoupleur
US5644428A (en) * 1993-03-03 1997-07-01 International Business Machines Corporation Continuously variable beam splitter
US5304960A (en) * 1993-04-01 1994-04-19 Satyendranath Das Ferroelectric total internal reflection RF switch
DE60101364T2 (de) * 2001-12-14 2004-10-28 Agilent Technologies Inc., A Delaware Corp., Palo Alto Strahlteiler zur Reduktion von polarisationsabhängigen Effekten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735901A (en) * 1953-02-06 1955-08-31 Marconi Wireless Telegraph Co Improvements in or relating to hybrid junction arrangements for use on micro radio waves
GB944930A (en) * 1953-05-04 1963-12-18 Secr Aviation Improvements in or relating to electromagnetic wave apparatus
US3436143A (en) * 1965-11-30 1969-04-01 Bell Telephone Labor Inc Grid type magic tee
US3559090A (en) * 1968-10-08 1971-01-26 Bausch & Lomb Polarization free beam divider
US3579148A (en) * 1969-04-10 1971-05-18 Gen Electric Directional coupler for oversize circular waveguides

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063391A (en) * 1989-06-06 1991-11-05 The Trustees Of The University Of Penn. Method of measuring chiral parameters of a chiral material
US5948718A (en) * 1991-04-19 1999-09-07 Murata Manufacturing Co., Ltd. Dielectric ceramic polarizer

Also Published As

Publication number Publication date
BE785084A (fr) 1972-10-16
DE2229669A1 (de) 1972-12-28
US3741625A (en) 1973-06-26
FR2143067A1 (https=) 1973-02-02
CA930040A (en) 1973-07-10

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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