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High frequency antenna with a variable directing radiation pattern 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01Q-009/160
  • H01Q-019/280
출원번호 US-0748326 (1991-08-21)
우선권정보 FR-0010528 (1990-08-21)
발명자 / 주소
  • Audren James (Guidel FRX) Brault Patrice (Lorient FRX)
출원인 / 주소
  • Societe d\Etudes et de Realisation de Protection Electronique Informatique Electronique (Guidel FRX 03)
인용정보 피인용 횟수 : 74  인용 특허 : 0

초록 ▼

The present invention relates to an antenna apparatus emitting or receiving high frequency waves and comprising four parasitic vertical rod elements disposed symmetrically to a central vertical rod element and switching elements controlled by a control circuit so that the parasitic rod elements are

대표청구항 ▼

An antenna apparatus emitting or receiving high frequency waves with a variable directing radiation pattern by a rotation thereof through an electronic control circuit, comprising at least three parasitic conductive and vertical rod elements disposed concentrically to a central conductive and vertic

이 특허를 인용한 특허 (74)

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  4. Gothard, Griffin K.; Keel, Jr., Alton S.; Snyder, Christopher A.; Chiang, Bing; Richeson, Joe T.; Wood, Douglas H.; Proctor, Jr., James A.; Gainey, Kenneth M., Adaptive antenna for use in wireless communication systems.
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  5. Gothard,Griffin K.; Keel, Jr.,Alton S.; Snyder,Christopher A.; Chiang,Bing; Richeson,Joe T.; Wood,Douglas H.; Proctor, Jr.,James A.; Gainey,Kenneth M., Adaptive antenna for use in wireless communication systems.
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  6. Gothard,Griffin K.; Keel, Jr.,Alton S.; Snyder,Christopher A.; Chiang,Bing; Richeson,Joe T.; Wood,Douglas H.; Proctor, Jr.,James A.; Gainey,Kenneth M., Adaptive antenna for use in wireless communication systems.
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