BR8500973A - Aparelho comutador de controle de fase - Google Patents
Aparelho comutador de controle de faseInfo
- Publication number
- BR8500973A BR8500973A BR8500973A BR8500973A BR8500973A BR 8500973 A BR8500973 A BR 8500973A BR 8500973 A BR8500973 A BR 8500973A BR 8500973 A BR8500973 A BR 8500973A BR 8500973 A BR8500973 A BR 8500973A
- Authority
- BR
- Brazil
- Prior art keywords
- control switch
- phase control
- phase
- switch
- control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/183—Coaxial phase-shifters
-
- 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
- H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Transmitters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/635,926 US4602227A (en) | 1984-07-30 | 1984-07-30 | Coaxial LC phase-shifter for phase-controlled television broadcast switching circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8500973A true BR8500973A (pt) | 1986-04-15 |
Family
ID=24549678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8500973A BR8500973A (pt) | 1984-07-30 | 1985-03-04 | Aparelho comutador de controle de fase |
Country Status (4)
Country | Link |
---|---|
US (1) | US4602227A (pt) |
KR (1) | KR860001644A (pt) |
BR (1) | BR8500973A (pt) |
CA (1) | CA1228898A (pt) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4723307A (en) * | 1986-01-31 | 1988-02-02 | General Signal Corporation | Simplified phase-controlled television broadcast switching circuit and three-position coaxial LC phase shifter therefor |
CA1280180C (en) * | 1987-02-02 | 1991-02-12 | Masatoshi Ishida | Nonlinear signal generating circuit and nonlinear compensating deviceusing the same |
US4736170A (en) * | 1987-05-08 | 1988-04-05 | Rca Corporation | Unbalanced quarternary PSK modulator using unbalanced quadrature coupler |
US4807031A (en) * | 1987-10-20 | 1989-02-21 | Interactive Systems, Incorporated | Interactive video method and apparatus |
FR2629949B1 (fr) * | 1988-04-06 | 1990-11-16 | Alcatel Thomson Faisceaux | Combineur a dephasage pour ondes electromagnetiques |
US4940954A (en) * | 1988-04-12 | 1990-07-10 | General Electric Company | Unbalanced quadrature PSK modulator-limiter |
US4951013A (en) * | 1988-06-03 | 1990-08-21 | General Signal Corporation | Phase shift controlled broadcast switching system |
US4942376A (en) * | 1989-02-17 | 1990-07-17 | Itt Corporation | Tubular microwave phase shifter |
US5157697A (en) * | 1991-03-21 | 1992-10-20 | Novatel Communications, Ltd. | Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding |
AU5363494A (en) * | 1992-10-19 | 1994-05-09 | Jeffrey Scott Jani | Video and radio controlled moving and talking device |
IT1261423B (it) * | 1993-03-19 | 1996-05-23 | Alenia Spazio Spa | Divisore variabile di potenza planare. |
GB2276785B (en) * | 1993-03-31 | 1997-01-08 | Marconi Gec Ltd | Changeover means for R F source |
WO1995010862A1 (en) * | 1993-10-14 | 1995-04-20 | Deltec New Zealand Limited | A variable differential phase shifter |
US5606283A (en) * | 1995-05-12 | 1997-02-25 | Trw Inc. | Monolithic multi-function balanced switch and phase shifter |
US5943016A (en) * | 1995-12-07 | 1999-08-24 | Atlantic Aerospace Electronics, Corp. | Tunable microstrip patch antenna and feed network therefor |
US5778306A (en) * | 1996-11-08 | 1998-07-07 | Motorola Inc. | Low loss high frequency transmitting/receiving switching module |
US6333683B1 (en) * | 1998-09-04 | 2001-12-25 | Agere System Optoelectronics Guardian Corp. | Reflection mode phase shifter |
US6097267A (en) * | 1998-09-04 | 2000-08-01 | Lucent Technologies Inc. | Phase-tunable antenna feed network |
DE10104564C1 (de) | 2001-02-01 | 2002-09-19 | Kathrein Werke Kg | Steuerungsvorrichtung zum Einstellen eines unterschiedlichen Absenkwinkels insbesondere von zu einer Basisstation gehörenden Mobilfunkantennen sowie eine zugehörige Antenne und Verfahren zur Veränderung eines Absenkwinkels |
US7233217B2 (en) * | 2001-08-23 | 2007-06-19 | Andrew Corporation | Microstrip phase shifter |
WO2003026158A1 (en) * | 2001-09-14 | 2003-03-27 | Roke Manor Research Limited | Single frequency duplex fm transceiver with digital ssb demulator |
US6809694B2 (en) * | 2002-09-26 | 2004-10-26 | Andrew Corporation | Adjustable beamwidth and azimuth scanning antenna with dipole elements |
US6788165B2 (en) * | 2002-11-08 | 2004-09-07 | Ems Technologies, Inc. | Variable power divider |
US7221239B2 (en) * | 2002-11-08 | 2007-05-22 | Andrew Corporation | Variable power divider |
US7254374B2 (en) * | 2004-07-21 | 2007-08-07 | Spx Corporation | Switchable multi-transmitter combiner and method |
US7245257B1 (en) | 2004-08-13 | 2007-07-17 | Lockheed Martin Corporation | Optimization of radar antenna switching hybrid in response to operating frequency |
US7557675B2 (en) * | 2005-03-22 | 2009-07-07 | Radiacion Y Microondas, S.A. | Broad band mechanical phase shifter |
US7831222B1 (en) * | 2006-02-24 | 2010-11-09 | Clear Channel Management Services, Inc. | Method and apparatus for improving the isolation characteristics of HD radio combiners |
US10777890B2 (en) | 2017-12-19 | 2020-09-15 | Nokia Solutions And Networks Oy | Digitally controlled phase shifter and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2437067A (en) * | 1943-11-17 | 1948-03-02 | Philco Corp | Adjusting means for transmission lines |
US2440269A (en) * | 1944-09-20 | 1948-04-27 | Berthal W Hargrove | Tunable oscillator |
US2774044A (en) * | 1952-08-09 | 1956-12-11 | Itt | Tunable coaxial line |
-
1984
- 1984-07-30 US US06/635,926 patent/US4602227A/en not_active Expired - Fee Related
-
1985
- 1985-03-04 BR BR8500973A patent/BR8500973A/pt unknown
- 1985-03-08 KR KR1019850001494A patent/KR860001644A/ko not_active Application Discontinuation
- 1985-04-15 CA CA000479187A patent/CA1228898A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1228898A (en) | 1987-11-03 |
KR860001644A (ko) | 1986-03-20 |
US4602227A (en) | 1986-07-22 |
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