CA944445A - Broadband coupling networks - Google Patents

Broadband coupling networks

Info

Publication number: CA944445A
Authority: CA; Canada
Prior art keywords: coupling networks; broadband coupling; broadband; networks; coupling
Prior art date: 1971-12-15
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

CA145,417A

Other languages

English (en)

Other versions

CA145417S (en

Inventor

Harold Seidel

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.)

1971-12-15

Filing date

1972-06-22

Publication date

1974-03-26

1972-06-22 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1974-03-26 Application granted granted Critical

1974-03-26 Publication of CA944445A publication Critical patent/CA944445A/en

Status Expired legal-status Critical Current

Links

230000008878 coupling Effects 0.000 title 1
238000010168 coupling process Methods 0.000 title 1
238000005859 coupling reaction Methods 0.000 title 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/21—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output

CA145,417A 1971-12-15 1972-06-22 Broadband coupling networks Expired CA944445A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US20830571A	1971-12-15	1971-12-15

Publications (1)

Publication Number	Publication Date
CA944445A true CA944445A (en)	1974-03-26

Family

ID=22774094

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA145,417A Expired CA944445A (en)	1971-12-15	1972-06-22	Broadband coupling networks

Country Status (11)

Country	Link
US (1)	US3748601A (fr)
JP (1)	JPS4866955A (fr)
AU (1)	AU471293B2 (fr)
BE (1)	BE792560A (fr)
CA (1)	CA944445A (fr)
DE (1)	DE2261082A1 (fr)
FR (1)	FR2163631B1 (fr)
GB (1)	GB1388318A (fr)
IT (1)	IT974047B (fr)
NL (1)	NL7216909A (fr)
SE (1)	SE377247B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3988705A (en) *	1975-11-20	1976-10-26	Rockwell International Corporation	Balanced four-way power divider employing 3db, 90° couplers
US4394629A (en) *	1981-03-31	1983-07-19	Rca Corporation	Hybrid power divider/combiner circuit
WO1988009568A1 (fr) *	1987-05-29	1988-12-01	Atr Optical And Radio Communications Research Labo	Coupleur directionnel
US5063365A (en) *	1988-08-25	1991-11-05	Merrimac Industries, Inc.	Microwave stripline circuitry
US5376904A (en) *	1993-05-20	1994-12-27	Northern Telecom Limited	Directional coupler for differentially driven twisted line
US5528630A (en) *	1994-04-20	1996-06-18	At&T Corp.	Coupler for communication systems which utilize more than one frequency band
US7190240B2 (en) *	2003-06-25	2007-03-13	Werlatone, Inc.	Multi-section coupler assembly
US6972639B2 (en) *	2003-12-08	2005-12-06	Werlatone, Inc.	Bi-level coupler
US20080143456A1 (en) *	2006-12-15	2008-06-19	Isotek Electronics Limited	Band combining filter
US8392495B2 (en) *	2009-02-09	2013-03-05	Associated Universities, Inc.	Reflectionless filters
US9026040B2 (en) *	2011-03-01	2015-05-05	Silicon Image, Inc.	Tracking system with orthogonal polarizations and a retro-directive array
GB2496390B (en) *	2011-11-08	2017-06-28	Filtronic Wireless Ltd	A filter block and a signal transceiver comprising such a filter block
WO2015199895A1 (fr)	2014-06-25	2015-12-30	Associated Universities, Inc.	Topologie de filtre sans réflexion renforcé de sous-réseau
WO2016073293A2 (fr)	2014-11-05	2016-05-12	Associated Universities, Inc.	Filtres non réfléchissants de ligne de transmission
US10374577B2 (en)	2015-10-30	2019-08-06	Associated Universities, Inc.	Optimal response reflectionless filters
US10263592B2 (en)	2015-10-30	2019-04-16	Associated Universities, Inc.	Optimal response reflectionless filters
US10530321B2 (en)	2015-10-30	2020-01-07	Associated Universities, Inc.	Deep rejection reflectionless filters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3037175A (en) *	1958-05-12	1962-05-29	Bell Telephone Labor Inc	Broadband transformers
US3231837A (en) *	1961-06-20	1966-01-25	Hughes Aircraft Co	All-pass transformer coupling network utilizing high frequency and low frequency transformers in parallel connection
US3452300A (en) *	1965-08-11	1969-06-24	Merrimac Research & Dev Inc	Four port directive coupler having electrical symmetry with respect to both axes
US3444475A (en) *	1967-04-19	1969-05-13	Bell Telephone Labor Inc	Broadband hybrid-coupled circuit
DE1947889C3 (de) *	1969-09-22	1975-04-17	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Weichennetzwerk, bestehend aus einem Weichenallpaß

0
- BE BE792560D patent/BE792560A/fr unknown
1971
- 1971-12-15 US US00208305A patent/US3748601A/en not_active Expired - Lifetime
1972
- 1972-06-22 CA CA145,417A patent/CA944445A/en not_active Expired
- 1972-12-08 SE SE7216033A patent/SE377247B/xx unknown
- 1972-12-11 AU AU49926/72A patent/AU471293B2/en not_active Expired
- 1972-12-13 NL NL7216909A patent/NL7216909A/xx not_active Application Discontinuation
- 1972-12-13 IT IT54684/72A patent/IT974047B/it active
- 1972-12-13 GB GB5741472A patent/GB1388318A/en not_active Expired
- 1972-12-14 FR FR7244588A patent/FR2163631B1/fr not_active Expired
- 1972-12-14 DE DE2261082A patent/DE2261082A1/de active Pending
- 1972-12-15 JP JP47125334A patent/JPS4866955A/ja active Pending

Also Published As

Publication number	Publication date
BE792560A (fr)	1973-03-30
FR2163631A1 (fr)	1973-07-27
GB1388318A (en)	1975-03-26
DE2261082A1 (de)	1973-06-20
FR2163631B1 (fr)	1975-09-12
IT974047B (it)	1974-06-20
US3748601A (en)	1973-07-24
SE377247B (fr)	1975-06-23
NL7216909A (fr)	1973-06-19
AU4992672A (en)	1974-06-13
JPS4866955A (fr)	1973-09-13
AU471293B2 (en)	1976-04-15

Publication	Publication Date	Title
CA949096A (en)	1974-06-11	Hose coupling
CA951803A (en)	1974-07-23	Broadband circulator
CA949099A (en)	1974-06-11	Tube coupling
CA965263A (en)	1975-04-01	Hydrostatic-differential transmission
CA944445A (en)	1974-03-26	Broadband coupling networks
CA954552A (en)	1974-09-10	Quick disconnect coupling
CA967256A (en)	1975-05-06	Cable coupling
CA993531A (en)	1976-07-20	Mode coupler
CA963281A (en)	1975-02-25	Shaft-to-hub coupling
CA979433A (en)	1975-12-09	Naphtolic couplers
AU4000772A (en)	1973-09-20	Coupler
CA876928A (en)	1971-07-27	Networks using quadrature couplers
CA950549A (en)	1974-07-02	Two-part electrical coupling
CA909333A (en)	1972-09-05	Broadband end coupling arrangement
CA877553A (en)	1971-08-03	Connector construction
CA883225A (en)	1971-10-12	3-hydroxy-n-naphthyl-2-naphthamide couplers
CA931993A (en)	1973-08-14	Coupling
CA887536A (en)	1971-12-07	Coupling
CA875196A (en)	1971-07-06	Airflow-electric coupling
CA864700A (en)	1971-02-23	Broadband antenna
CA875842A (en)	1971-07-20	Coupling link
CA868579A (en)	1971-04-13	Broadband hybrid-coupled circuit
CA887537A (en)	1971-12-07	Solid set coupling
CA883192A (en)	1971-10-12	Quick-disconnect coupling
CA941408A (en)	1974-02-05	Coupler band