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[미국특허] Antenna apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01Q-019/00
  • H01Q-019/10
출원번호 US-0514274 (2000-02-28)
우선권정보 JP-0059449 (1999-03-05); JP-0139122 (1999-05-19); JP-0231381 (1999-08-18)
발명자 / 주소
  • Hideo Ito JP
  • Takashi Enoki JP
  • Suguru Kojima JP
출원인 / 주소
  • Matsushita Electric Industrial Co., Ltd. JP
대리인 / 주소
    Stevens, Davis, Miller & Mosher, LLP
인용정보 피인용 횟수 : 145  인용 특허 : 3

초록

The antenna apparatus of the present invention places antenna element 302 that transmits or receives electromagnetic waves on basic plate 301, places parasitic antenna elements 303 to 306 on basic plate 301 evenly spaced concentrically centered on antenna element 302, places switch elements 307 to 3

대표청구항

1. An antenna apparatus comprising:a first antenna element installed on a base plate for transmitting or receiving electromagnetic waves; a parasitic second antenna element installed on said base plate; a first capacitor provided between an end of said second antenna element and said base plate; and

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

  1. Bachvarov Hristo A. (Sofia BGX), Aerial system for broadcasting having a passive middle antenna flanked by two end-fed antennas.
  2. Dubois Serge (Conflans Ste Honorine FRX), Airborne IFF antenna with switchable multiple patterns.
  3. Yanagisawa Wasuke,JPX ; Horie Ryo,JPX ; Kawahara Takao,JPX ; Oshiyama Tadashi,JPX ; Arai Michio,JPX ; Yano Takumi,JPX ; Sato Atsushi,JPX, Antenna having a returned portion forming a portion arranged in parallel to the longitudinal antenna direction.

이 특허를 인용한 특허 (145) 인용/피인용 타임라인 분석

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  68. Kish, William S.; Chanak, John, Increasing reliable data throughput in a wireless network.
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  70. Sheu, Ming-Jye; Ranade, Prashant, Key assignment for a brand.
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  81. Kish, William S.; Chanak, John; Gram, Charles Andrew, MAC based mapping in IP based communications.
  82. Kish, William S.; Chanak, John; Gram, Charles Andrew, MAC based mapping in IP based communications.
  83. Sievenpiper,Daniel F., Meta-element antenna and array.
  84. Roland A. Gilbert ; Jesse L. Butler, Metamorphic parallel plate antenna.
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  92. Shtrom, Victor; Baron, Bernard, Mountable antenna elements for dual band antenna.
  93. Shtrom, Victor; Baron, Bernard, Mountable antenna elements for dual band antenna.
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  95. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  96. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  97. Shtrom, Victor; Baron, Bernard; Lin, Chia-Ching, Multiband monopole antenna apparatus with ground plane aperture.
  98. Shtrom, Victor, Multiband omnidirectional planar antenna apparatus with selectable elements.
  99. Shtrom, Victor; Baron, Bernard, Multiple-input multiple-output wireless antennas.
  100. Kuo, Ted Tsei; Sheu, Ming-Jye; Lin, Tian-Yuan; Jou, Tyan-Shu, On-demand services by wireless base station virtualization.
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  139. Kish, William S.; Gram, Charles Andrew, Unicast to multicast conversion.
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