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Plural level beam-forming netowrk

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01Q-003/22
출원번호 US-0411810 (1989-09-25)
발명자 / 주소
  • Thompson James D. (Manhattan Beach CA)
출원인 / 주소
  • Hughes Aircraft Company (Los Angeles CA 02)
인용정보 피인용 횟수 : 20  인용 특허 : 6

초록

A beam-forming network (98) employs one or a plurality of first transmission delay lines (168, 170, 172, 174) for receiving transmit signals (T1-T4) applied thereto, and a plurality of second transmission lines (176), which serve as line summers. Each of the first transmission delay lines has first

대표청구항

A beam-forming network for producing, from at least one transmit signal, a plurality of output signals having a predetermined relationship with respect to one another for providing a predetermined excitation pattern to an array of radiating elements in an antenna system, comprising: a first line for

이 특허에 인용된 특허 (6)

  1. Lopez Alfred R. (Commack NY), Array antenna system.
  2. Yokoyama Hiroshi (Tokyo JPX), Array antenna system.
  3. Fassett Matthew (Billerica MA) Pizette Seymour B. (Framingham MA) Toth John F. (Billerica MA), Monopulse antenna system with independently specifiable patterns.
  4. Shnitkin Harold (Roslyn NY) Smith Peter W. (Westport CT), Multi-mode dual-feed array radar antenna.
  5. Rudish Ronald M. (50 Bethany Dr. Commack NY 11725) McVeigh Peter J. (10 Thomas Dr. Hauppauge NY 11787), Phased array system to produce, steer and stabilize non-circularly-symmetric beams.
  6. Thompson James D. (Manhattan Beach CA), Plural level beam-forming network.

이 특허를 인용한 특허 (20)

  1. Rasheed, Irshad; Schiller, Christopher T., Adaptive transmit array for beam-steering.
  2. Rasheed, Irshad; Schiller, Christopher T., Automatic high-resolution adaptive beam-steering.
  3. Schiller, Christopher T.; Kennedy, Jonathan, Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof.
  4. Schiller, Christopher T., Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof.
  5. Schiller, Christopher T., Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof.
  6. Schiller, Christopher T., Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication.
  7. Dent Paul W.,SEX ; Lampe Ross Warren, Linear amplifying apparatus using coupled non-linear amplifiers.
  8. Webb Lance L. (Hermosa Beach CA) Hong John H. (Moorpark CA), Multi-element true time delay shifter for microwave beamsteering and beamforming.
  9. Sarraf Jamal ; Fitzpatrick Edward J. ; Justiss James E. ; Martin Remberto ; Glaser-Weiner Michelle J., Multi-spot-beam satellite system with broadcast and surge capacity capability.
  10. Sarraf, Jamal; Fitzpatrick, Edward J.; Justiss, James E.; Martin, Remberto; Glaser-Weiner, Michelle J., Multi-spot-beam satellite system with broadcast and surge capacity capability.
  11. Schiller, Christopher T.; Kennedy, Jonathan, Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming.
  12. Schiller, Christopher T; Shaw, Michael Joseph, Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof.
  13. Goldman, Geoffrey Howard, Radar system and antenna with delay lines and method thereof.
  14. Shaw, Michael Joseph; Kennedy, Jonathan Lee; Livezey, Darrell Lee; Laskar, Joy, Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver.
  15. Dent Paul W. (Stehag SEX) Lampe Ross W. (Raleigh NC), Waste energy control and management in power amplifier.
  16. Dent Paul W. (Stehag SEX) Lampe Ross W. (Raleigh NC), Waste energy control and management in power amplifiers.
  17. Dent Paul W. (Stehag SEX) Lampe Ross W. (Raleigh NC), Waste energy control and management in power amplifiers.
  18. Dent Paul W.,SEX ; Lampe Ross Warren, Waste energy control and management in power amplifiers.
  19. Dent Paul W.,SEX ; Lampe Ross Warren, Waste energy control and management in power amplifiers.
  20. Lee Jar J. ; Chu Ruey S. ; Schaffer Kenneth L., Wideband cylindrical UHF array.
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