SE7501940L - - Google Patents
Info
- Publication number
- SE7501940L SE7501940L SE7501940A SE7501940A SE7501940L SE 7501940 L SE7501940 L SE 7501940L SE 7501940 A SE7501940 A SE 7501940A SE 7501940 A SE7501940 A SE 7501940A SE 7501940 L SE7501940 L SE 7501940L
- Authority
- SE
- Sweden
- Prior art keywords
- signals
- feb
- coupling
- lines
- division
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/002—Reducing depolarization effects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/446,459 US3963990A (en) | 1974-02-27 | 1974-02-27 | Interference reduction circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7501940L true SE7501940L (fr) | 1975-08-28 |
SE407001B SE407001B (sv) | 1979-03-05 |
Family
ID=23772661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7501940A SE407001B (sv) | 1974-02-27 | 1975-02-21 | Interferensreducerande krets |
Country Status (8)
Country | Link |
---|---|
US (1) | US3963990A (fr) |
JP (1) | JPS50122110A (fr) |
CA (1) | CA1035842A (fr) |
DE (1) | DE2453435C2 (fr) |
FR (1) | FR2262452B1 (fr) |
GB (1) | GB1503565A (fr) |
IT (1) | IT1024800B (fr) |
SE (1) | SE407001B (fr) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2301978A1 (fr) * | 1975-02-21 | 1976-09-17 | Ibm France | Egaliseur recursif a decision dirigee par la valeur de la phase du signal recu |
JPS51115717A (en) * | 1975-03-03 | 1976-10-12 | Nec Corp | Cross polarized wave compensating method |
US4109212A (en) * | 1976-10-29 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Complementary distortion circuit |
US6114983A (en) | 1977-09-15 | 2000-09-05 | American Nucleonics Corporation | Electronic counter measures in radar |
US4191926A (en) * | 1977-09-16 | 1980-03-04 | Communications Satellite Corporation | Method and apparatus for interference cancellation at base-band using multiplication of the desired interfering carriers |
US4220923A (en) * | 1978-03-29 | 1980-09-02 | Harris Corporation | Adaptive interference reduction system for crosstalk cancellation in a dual polarization system |
US4501004A (en) * | 1982-01-30 | 1985-02-19 | Nippon Electric Co., Ltd. | Device for eliminating FM or like interference from a digital microwave signal |
US4561067A (en) * | 1982-06-23 | 1985-12-24 | British Telecommunications | Multi-channel cross-talk interference reduction circuit using modulation-multiplying-demodulation correlator |
US4490684A (en) * | 1983-01-03 | 1984-12-25 | Motorola, Inc. | Adaptive quadrature combining apparatus |
US4932039A (en) * | 1989-06-08 | 1990-06-05 | The United States Of America As Represented By The Secretary The Navy | Pulse interference canceler of high power out-of-band pulse interference signals |
JPH0389643A (ja) * | 1989-08-31 | 1991-04-15 | Nec Corp | 交差偏波干渉補償器 |
US5568158A (en) * | 1990-08-06 | 1996-10-22 | Gould; Harry J. | Electronic variable polarization antenna feed apparatus |
FR2666186B1 (fr) * | 1990-08-24 | 1994-05-06 | Etat Francais Cnet | Duplexeur bidirectionnel pour ondes hyperfrequences polarisees realisable notamment en technologie monolithique sur arseniure de gallium. |
US5355512A (en) * | 1992-03-12 | 1994-10-11 | General Electric Co. | Uplink null intrusion rejection for satellite communications systems |
FR2690598B1 (fr) * | 1992-04-24 | 1994-06-03 | Sextant Avionique | Ordonnancement de troncons de lignes d'un reseau, notamment pour le calcul de diaphonies entre lignes d'un reseau electrique. |
US5710799A (en) * | 1992-06-01 | 1998-01-20 | Fujitsu Limited | Cross polarization interference canceler and cross polarization interference eliminating apparatus using the same |
US6157811A (en) * | 1994-01-11 | 2000-12-05 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
US5619503A (en) * | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
JPH08251094A (ja) * | 1995-03-15 | 1996-09-27 | Hitachi Ltd | 衛星通信システム及び方法 |
US6658234B1 (en) * | 1995-06-02 | 2003-12-02 | Northrop Grumman Corporation | Method for extending the effective dynamic range of a radio receiver system |
US6018317A (en) * | 1995-06-02 | 2000-01-25 | Trw Inc. | Cochannel signal processing system |
US5894590A (en) * | 1995-07-31 | 1999-04-13 | Motorola, Inc. | Independent satellite-based communications systems sharing common frequency spectrum and method of operation thereof |
US6008760A (en) * | 1997-05-23 | 1999-12-28 | Genghis Comm | Cancellation system for frequency reuse in microwave communications |
US6804304B1 (en) | 1998-10-30 | 2004-10-12 | Broadcom Corporation | Reduction of aggregate EMI emissions of multiple transmitters |
US6925130B2 (en) * | 1998-10-30 | 2005-08-02 | Broadcom Corporation | Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications |
US6259745B1 (en) | 1998-10-30 | 2001-07-10 | Broadcom Corporation | Integrated Gigabit Ethernet transmitter architecture |
US6373908B2 (en) | 1998-11-11 | 2002-04-16 | Broadcom Corporation | Adaptive electronic transmission signal cancellation apparatus for full duplex communication |
US6823483B1 (en) * | 1999-04-22 | 2004-11-23 | Broadcom Corporation | Physical coding sublayer for a multi-pair gigabit transceiver |
US7149526B2 (en) * | 2000-08-02 | 2006-12-12 | Atc Technologies, Llc | Coordinated satellite-terrestrial frequency reuse |
US6859652B2 (en) | 2000-08-02 | 2005-02-22 | Mobile Satellite Ventures, Lp | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7792488B2 (en) | 2000-12-04 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength |
JP4354681B2 (ja) * | 2002-09-13 | 2009-10-28 | 株式会社日立製作所 | 通信用半導体集積回路 |
KR100754635B1 (ko) * | 2004-08-04 | 2007-09-05 | 삼성전자주식회사 | 통신 시스템에서의 전력 분배기/합성기 |
US7812693B1 (en) * | 2007-02-28 | 2010-10-12 | Pmc-Sierra Us, Inc. | Lowpass-bandstop common mode filter for differential lines carrying high rate digital signals |
GB0822967D0 (en) * | 2008-12-16 | 2009-07-29 | Era Tech Ltd | Use of Steering in Interference Cancellation with Application to Communication through Disnal Jamming |
US20120127034A1 (en) * | 2010-11-19 | 2012-05-24 | Raysat Antenna Systems, L.L.C. | Phased Array Antenna with Reduced Component Count |
US9628752B2 (en) | 2011-09-06 | 2017-04-18 | Comcast Cable Communications, Llc | Transmitting signals using directional diversity over a network |
US10135423B1 (en) * | 2017-11-01 | 2018-11-20 | Hughes Network Systems, Llc | 90 degree hybrid with varactor diodes for low loss, simple bias and zero power consumption phase shifter |
WO2019171360A1 (fr) | 2018-03-09 | 2019-09-12 | Isotropic Systems Ltd. | Réduction d'interférence dynamique pour systèmes de suivi de faisceau d'antenne |
US11031680B2 (en) | 2018-10-02 | 2021-06-08 | Nxp B.V. | Near-field electromagnetic induction (NFEMI) antenna |
US10277284B1 (en) | 2018-11-20 | 2019-04-30 | Nxp B.V. | Near-field device |
US10819024B1 (en) | 2019-04-10 | 2020-10-27 | Nxp B.V. | Combination near-field and far-field antenna |
US11211694B2 (en) | 2019-07-08 | 2021-12-28 | Nxp B.V. | Near-field wireless device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3044062A (en) * | 1960-04-27 | 1962-07-10 | Katzin Martin | Polarization diversity receiver |
DE1298154B (de) * | 1967-06-19 | 1969-06-26 | Telefunken Patent | Verfahren zum Ausblenden einer Stoerwelle |
US3668567A (en) * | 1970-07-02 | 1972-06-06 | Hughes Aircraft Co | Dual mode rotary microwave coupler |
US3728643A (en) * | 1971-11-01 | 1973-04-17 | Bell Telephone Labor Inc | Apparatus for transforming nonorthogonal elliptically polarized waves into orthogonal linearly polarized waves |
US3735266A (en) * | 1971-12-20 | 1973-05-22 | Bell Telephone Labor Inc | Method and apparatus for reducing crosstalk on cross-polarized communication links |
US3815028A (en) * | 1972-08-09 | 1974-06-04 | Itt | Maximum-likelihood detection system |
-
1974
- 1974-02-27 US US05/446,459 patent/US3963990A/en not_active Expired - Lifetime
- 1974-11-11 IT IT70308/74A patent/IT1024800B/it active
- 1974-11-11 DE DE2453435A patent/DE2453435C2/de not_active Expired
- 1974-11-12 CA CA213,478A patent/CA1035842A/fr not_active Expired
-
1975
- 1975-02-21 SE SE7501940A patent/SE407001B/xx not_active IP Right Cessation
- 1975-02-24 GB GB7622/75A patent/GB1503565A/en not_active Expired
- 1975-02-27 FR FR7506200A patent/FR2262452B1/fr not_active Expired
- 1975-02-27 JP JP50024483A patent/JPS50122110A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3963990A (en) | 1976-06-15 |
FR2262452A1 (fr) | 1975-09-19 |
CA1035842A (fr) | 1978-08-01 |
IT1024800B (it) | 1978-07-20 |
SE407001B (sv) | 1979-03-05 |
GB1503565A (en) | 1978-03-15 |
DE2453435A1 (de) | 1975-08-28 |
JPS50122110A (fr) | 1975-09-25 |
DE2453435C2 (de) | 1985-07-04 |
FR2262452B1 (fr) | 1978-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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