AU471293B2 - Improvements in or relating to networks - Google Patents
Improvements in or relating to networksInfo
- Publication number
- AU471293B2 AU471293B2 AU49926/72A AU4992672A AU471293B2 AU 471293 B2 AU471293 B2 AU 471293B2 AU 49926/72 A AU49926/72 A AU 49926/72A AU 4992672 A AU4992672 A AU 4992672A AU 471293 B2 AU471293 B2 AU 471293B2
- Authority
- AU
- Australia
- Prior art keywords
- networks
- relating
- 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
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20830571A | 1971-12-15 | 1971-12-15 | |
USUS208,305 | 1971-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4992672A AU4992672A (en) | 1974-06-13 |
AU471293B2 true AU471293B2 (en) | 1976-04-15 |
Family
ID=22774094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU49926/72A Expired AU471293B2 (en) | 1971-12-15 | 1972-12-11 | Improvements in or relating to networks |
Country Status (11)
Country | Link |
---|---|
US (1) | US3748601A (en) |
JP (1) | JPS4866955A (en) |
AU (1) | AU471293B2 (en) |
BE (1) | BE792560A (en) |
CA (1) | CA944445A (en) |
DE (1) | DE2261082A1 (en) |
FR (1) | FR2163631B1 (en) |
GB (1) | GB1388318A (en) |
IT (1) | IT974047B (en) |
NL (1) | NL7216909A (en) |
SE (1) | SE377247B (en) |
Families Citing this family (17)
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 |
EP0319584B1 (en) * | 1987-05-29 | 1994-09-28 | Atr Optical And Radio Communications Research Laboratories | Directional coupler |
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 (en) | 2014-06-25 | 2015-12-30 | Associated Universities, Inc. | Sub-network enhanced reflectionless filter topology |
WO2016073293A2 (en) | 2014-11-05 | 2016-05-12 | Associated Universities, Inc. | Transmission line 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 |
US10374577B2 (en) | 2015-10-30 | 2019-08-06 | Associated Universities, Inc. | Optimal response reflectionless filters |
Family Cites Families (5)
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 (en) * | 1969-09-22 | 1975-04-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Turnout network, consisting of a turnout all-pass |
-
0
- BE BE792560D patent/BE792560A/en 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 GB GB5741472A patent/GB1388318A/en not_active Expired
- 1972-12-13 IT IT54684/72A patent/IT974047B/en active
- 1972-12-13 NL NL7216909A patent/NL7216909A/xx not_active Application Discontinuation
- 1972-12-14 FR FR7244588A patent/FR2163631B1/fr not_active Expired
- 1972-12-14 DE DE2261082A patent/DE2261082A1/en active Pending
- 1972-12-15 JP JP47125334A patent/JPS4866955A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2163631A1 (en) | 1973-07-27 |
SE377247B (en) | 1975-06-23 |
DE2261082A1 (en) | 1973-06-20 |
US3748601A (en) | 1973-07-24 |
NL7216909A (en) | 1973-06-19 |
AU4992672A (en) | 1974-06-13 |
FR2163631B1 (en) | 1975-09-12 |
JPS4866955A (en) | 1973-09-13 |
IT974047B (en) | 1974-06-20 |
CA944445A (en) | 1974-03-26 |
GB1388318A (en) | 1975-03-26 |
BE792560A (en) | 1973-03-30 |
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