BR112016015665A8 - aparato gerador de sinais, sistema rfid e método de produção de um sinal de transmissor rfid - Google Patents

aparato gerador de sinais, sistema rfid e método de produção de um sinal de transmissor rfid Download PDF

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Publication number
BR112016015665A8
BR112016015665A8 BR112016015665A BR112016015665A BR112016015665A8 BR 112016015665 A8 BR112016015665 A8 BR 112016015665A8 BR 112016015665 A BR112016015665 A BR 112016015665A BR 112016015665 A BR112016015665 A BR 112016015665A BR 112016015665 A8 BR112016015665 A8 BR 112016015665A8
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BR
Brazil
Prior art keywords
rfid
signal
ask
symbols
orthogonal displacement
Prior art date
Application number
BR112016015665A
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English (en)
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BR112016015665B1 (pt
BR112016015665A2 (pt
Inventor
Thomas J Frederick
Original Assignee
Clairvoyant Tech Llc
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Filing date
Publication date
Application filed by Clairvoyant Tech Llc filed Critical Clairvoyant Tech Llc
Publication of BR112016015665A2 publication Critical patent/BR112016015665A2/pt
Publication of BR112016015665A8 publication Critical patent/BR112016015665A8/pt
Publication of BR112016015665B1 publication Critical patent/BR112016015665B1/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

a presente invenção refere-se a um sistema rf usando pr-ask com deslocamento ortogonal. em algumas concretizações, o sistema inclui um gerador de sinais pr-ask e um gerador de deslocamento ortogonal. o gerador de sinais pr-ask pode produzir um sinal, que representa uma sequência de símbolos, por exemplo, símbolos rfid. o gerador de deslocamento ortogonal pode deslocar a trajetória de sinais pr-ask para longe da origem, mantendo, simultaneamente, os requisitos de domínio de tempo para um sinal rfid, tais como os tempos de levantamento e abaixamento de borda de forma de onda. em algumas concretizações, as formas de onda armazenadas, que incorporam o deslocamento ortogonal controlado, são usadas para sintetizar uma sequência de símbolos. as formas de onda armazenadas podem também incluir uma pré-distorção linear e/ou não linear, para reduzir a complexidade computacional. as formas de onda podem ser representadas em coordenadas cartesianas, para uso em um transmissor de conversão direta, ou coordenadas polares, para uso em um transmissor de modulação polar. um sistema rfid pode incluir também um receptor, para receber sinais rfid entrantes.
BR112016015665-0A 2014-01-13 2014-12-04 Aparato gerador de sinais, sistema rfid e método de produção de um sinal de transmissor rfid BR112016015665B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461926568P 2014-01-13 2014-01-13
US61/926,568 2014-01-13
PCT/US2014/068484 WO2015105600A1 (en) 2014-01-13 2014-12-04 Rf system using pr-ask with orthogonal offset

Publications (3)

Publication Number Publication Date
BR112016015665A2 BR112016015665A2 (pt) 2017-08-08
BR112016015665A8 true BR112016015665A8 (pt) 2020-06-09
BR112016015665B1 BR112016015665B1 (pt) 2022-11-29

Family

ID=53524245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016015665-0A BR112016015665B1 (pt) 2014-01-13 2014-12-04 Aparato gerador de sinais, sistema rfid e método de produção de um sinal de transmissor rfid

Country Status (5)

Country Link
US (3) US9813115B2 (pt)
EP (1) EP3095200B1 (pt)
CN (1) CN105900348B (pt)
BR (1) BR112016015665B1 (pt)
WO (1) WO2015105600A1 (pt)

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Also Published As

Publication number Publication date
US20160344452A1 (en) 2016-11-24
US20180013469A1 (en) 2018-01-11
US20190222264A1 (en) 2019-07-18
EP3095200A1 (en) 2016-11-23
BR112016015665B1 (pt) 2022-11-29
US10230429B2 (en) 2019-03-12
US10797757B2 (en) 2020-10-06
WO2015105600A1 (en) 2015-07-16
BR112016015665A2 (pt) 2017-08-08
EP3095200A4 (en) 2017-09-13
CN105900348A (zh) 2016-08-24
EP3095200B1 (en) 2019-10-09
US9813115B2 (en) 2017-11-07
CN105900348B (zh) 2018-12-14

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/12/2014, OBSERVADAS AS CONDICOES LEGAIS