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Method of communications in a backscatter system, interrogator, and backscatter communications system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-003/02
  • H03C-007/02
  • G08B-026/00
출원번호 US-0080624 (1998-05-18)
발명자 / 주소
  • Greeff Roy
  • Ovard David K.
출원인 / 주소
  • Micron Technology, Inc.
대리인 / 주소
    Wells, St. John, Roberts, Gregory & Matkin, P.S.
인용정보 피인용 횟수 : 136  인용 특허 : 12

초록 ▼

An interrogator for use in a backscatter system, the interrogator comprising an antenna configured to receive a backscatter signal; an IQ downconverter coupled to the antenna and configured to downconvert the backscatter signal to produce I and Q signals; a combiner coupled to the IQ downconverter a

대표청구항 ▼

[ What is claimed is:] [1.] A backscatter system interrogator comprising:an antenna configured to receive a backscatter signal;an IQ downconverter coupled to the antenna and configured to downconvert the backscatter signal to produce I and Q signals;a combiner coupled to the IQ downconverter and con

이 특허에 인용된 특허 (12)

  1. Wood ; Jr. Clifton W., Communication system including diversity antenna queuing.
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  2. Ovard David K. ; Pax George E., DPSK demodulator which may be used in an interrogator of a remote intelligence communication system.
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  3. Kim Yang-gyun (Seoul KRX) Lee Jeong-in (Kyonggi-do KRX), Device for controlling an output level of an FM detecting circuit using phase locked loop.
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  4. Shober R. Anthony (Red Bank NJ) Vannucci Giovanni (Middletown Township NJ) Wright Gregory Alan (Colts Neck NJ), Dual mode modulated backscatter system.
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  5. MacLellan John Austin (Aberdeen NJ) Shober R. Anthony (Red Bank NJ) Vannucci Giovanni (Middletown NJ) Wright Gregory Alan (Colts Neck NJ), Full duplex modulated backscatter system.
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  6. Baldwin ; Howard A. ; Depp ; Steven W. ; Koelle ; Alfred R. ; Freyman ; Robert W., Interrogation, and detection system.
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  7. Wilson Nathaniel B. (San Diego CA) Black Peter J. (St. Lucia AUX) Peterzell Paul E. (San Diego CA), Method and apparatus for automatic gain control and DC offset cancellation in quadrature receiver.
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  8. Ohta Tomozo (Ikoma JPX) Nakano Hiroshi (Tenri JPX) Higashi Kazutada (Tenri JPX) Yamamoto Hirohiko (Tenri JPX), Microwave data transmission apparatus.
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  9. Sharpe Claude A. (McKinney TX) Hurta Dwaine S. (Garland TX) Hamlett Mark A. (Garland TX), Multi-stage transponder wake-up, method and structure.
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  10. Landt Jeremy A. (Los Alamos NM), Multichannel homodyne receiver.
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  11. Tuttle John R., System and method for locating individuals and equipment, airline reservation system, communication system.
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  12. Akiyama Koji,JPX ; Yoshitake Satoshi,JPX ; Takeuchi Minoru,JPX ; Shimizu Hiroshi,JPX ; Nagata Kazuo,JPX ; Takai Kiyoshi,JPX ; Sekiguchi Toshio,JPX, Wireless equipment diagnosis system.
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