|
US3538460A
(en)
*
|
1967-10-09 |
1970-11-03 |
Varian Associates |
High power electronically tunable microwave filter composed of nonresonant filter subunits in series
|
|
US3490054A
(en)
*
|
1968-03-29 |
1970-01-13 |
Bell Telephone Labor Inc |
Power tempering of quadrature hybrid-coupled fan-outs
|
|
US3571739A
(en)
*
|
1968-10-18 |
1971-03-23 |
Bell Telephone Labor Inc |
Multimode hybrid-coupled fan-out and fan-in array
|
|
US3605044A
(en)
*
|
1968-11-18 |
1971-09-14 |
Bell Telephone Labor Inc |
Filter structures using bimodal, bisymmetric networks
|
|
US3517309A
(en)
*
|
1969-05-28 |
1970-06-23 |
Anaren Microwave Inc |
Microwave signal processing apparatus
|
|
US3585516A
(en)
*
|
1969-09-09 |
1971-06-15 |
Automatic Elect Lab |
All pass network for phase equalizers of wide band communication systems
|
|
US3571765A
(en)
*
|
1969-09-15 |
1971-03-23 |
Bell Telephone Labor Inc |
Quantized phase shifter utilizing open-circuited or short-circuited 3db quadrature couplers
|
|
BE758314A
(fr)
*
|
1969-11-04 |
1971-04-01 |
Western Electric Co |
Reseau de traitement de signal multibranche
|
|
GB1344405A
(en)
*
|
1971-10-21 |
1974-01-23 |
Edmac Ass Inc |
Sonobuoy receivers
|
|
US4016503A
(en)
*
|
1975-07-24 |
1977-04-05 |
Westinghouse Electric Corporation |
High-reliability power amplifier
|
|
US4288763A
(en)
*
|
1979-09-18 |
1981-09-08 |
General Microwave Corporation |
Analog phase shifter
|
|
US4305043A
(en)
*
|
1980-03-03 |
1981-12-08 |
Ford Aerospace & Communications Corporation |
Coupler having arbitrary impedance transformation ratio and arbitrary coubling ratio
|
|
US4394629A
(en)
*
|
1981-03-31 |
1983-07-19 |
Rca Corporation |
Hybrid power divider/combiner circuit
|
|
US4477781A
(en)
*
|
1983-02-17 |
1984-10-16 |
The United States Of America As Represented By The Secretary Of The Navy |
Combined microwave parallel amplifier- RF attenuator/modulator
|
|
US4549152A
(en)
*
|
1983-03-28 |
1985-10-22 |
Rca Corporation |
Broadband adjustable phase modulation circuit
|
|
NL8402613A
(nl)
*
|
1984-08-28 |
1986-03-17 |
Hollandse Signaalapparaten Bv |
Inrichting voor het combineren van de uitgangssignalen van meerdere op eenzelfde frequentie afgestemde zendeenheden.
|
|
US4688006A
(en)
*
|
1985-10-02 |
1987-08-18 |
Hughes Aircraft Company |
Phase compensated hybrid coupler
|
|
US4679010A
(en)
*
|
1985-12-20 |
1987-07-07 |
Itt Gallium Arsenide Technology Center, A Division Of Itt Corporation |
Microwave circulator comprising a plurality of directional couplers connected together by isolation amplifiers
|
|
FR2658665B1
(fr)
*
|
1990-02-16 |
1992-08-07 |
Thomson Tubes Electroniques |
Circuit de commutation d'un signal de sortie hyperfrequence vers une premiere ou une deuxieme sortie.
|
|
US5081425A
(en)
*
|
1990-05-24 |
1992-01-14 |
E-Systems, Inc. |
Vswr adaptive power amplifier system
|
|
US5793338A
(en)
*
|
1995-08-09 |
1998-08-11 |
Qualcomm Incorporated |
Quadrifilar helix antenna and feed network
|
|
RU2122279C1
(ru)
*
|
1996-08-28 |
1998-11-20 |
Акционерное общество "Московский научно-исследовательский институт радиосвязи" |
Регулятор комплексных амплитуд
|
|
US6097250A
(en)
*
|
1999-04-22 |
2000-08-01 |
Scientific-Atlanta, Inc. |
Amplifier circuit
|
|
WO2005031999A1
(en)
*
|
2003-09-22 |
2005-04-07 |
Soma Networks, Inc. |
Method and apparatus for electrically adjusting delay in radio-frequency systems
|
|
RU2339157C2
(ru)
*
|
2006-06-02 |
2008-11-20 |
Федеральное государственное унитарное предприятие "Государственный московский завод "Салют" |
Многокаскадное устройство суммирования мощности свч-усилителей
|
|
WO2010095100A2
(en)
*
|
2009-02-17 |
2010-08-26 |
Nxp B.V. |
Module for modulation and amplification
|
|
US9178262B2
(en)
*
|
2013-01-15 |
2015-11-03 |
Tyce Electronics Corporation |
Feed network comprised of marchand baluns and coupled line quadrature hybrids
|