BRPI0804527A2 - sensor de proximidade sem fio para detectar a posição de um objeto, sistema de detecção de proximidade sem fio e método para detectar sem fio a posição de um objeto - Google Patents

sensor de proximidade sem fio para detectar a posição de um objeto, sistema de detecção de proximidade sem fio e método para detectar sem fio a posição de um objeto

Info

Publication number
BRPI0804527A2
BRPI0804527A2 BRPI0804527-5A BRPI0804527A BRPI0804527A2 BR PI0804527 A2 BRPI0804527 A2 BR PI0804527A2 BR PI0804527 A BRPI0804527 A BR PI0804527A BR PI0804527 A2 BRPI0804527 A2 BR PI0804527A2
Authority
BR
Brazil
Prior art keywords
proximity sensor
wireless
wireless proximity
detecting
oas
Prior art date
Application number
BRPI0804527-5A
Other languages
English (en)
Inventor
Alexander Spivak
Chuang-Chia Lin
Original Assignee
Rosemount Aerospace Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rosemount Aerospace Inc filed Critical Rosemount Aerospace Inc
Publication of BRPI0804527A2 publication Critical patent/BRPI0804527A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96003—Touch switches using acoustic waves, e.g. ultrasound
    • H03K2217/96011—Touch switches using acoustic waves, e.g. ultrasound with propagation, SAW or BAW

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

SENSOR DE PROXIMIDADE SEM FIO PARA DETECTAR A POSIçãO DE UM OBJETO, SISTEMA DE DETECçãO DE PROXIMIDADE SEM FIO E MéTODO PARA DETECTAR SEM FIO A POSIçãO DE UM OBJETO. A presente invenção refere-se a um sensor de proximidade sem f ia e a um sistema de detecção para detectar a posição de um objeto. O sistema inclui um transceptor para prover uma comunicação sem f ia com um sensor passivo de proximidade de onda acústica de superfície (OAS) sem f ia. O sensor de proximidade sem f ia recebe um sinal sem f ia do transceptor, que aciona o dispositivo de OAS e transmite por sua vez um sinal de volta ao transceptor que inclui a informação sobre a posição de um objeto. O sensor de proximidade sem f ia utiliza um ou mais dispositivos de OAS com um elemento de detecção feito de um material magnetostritivo, conjuntamente com um ou mais ímãs e um ou mais alvos que são posicionados em relação a um objeto. O movimento do(s) alvo(s) com relação ao sensor de proximidade produz operativamente uma resposta mecânica devido à mudança no campo magnético do elemento de detecção. O elemento de detecção, por sua vez, intensifica o campo magnético do dispositivo de OAS ao qual é unido, e esta informação é transmitida ao transceptor como informação sobre a posição de um objeto.
BRPI0804527-5A 2007-10-24 2008-10-23 sensor de proximidade sem fio para detectar a posição de um objeto, sistema de detecção de proximidade sem fio e método para detectar sem fio a posição de um objeto BRPI0804527A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/977,301 US7834514B2 (en) 2007-10-24 2007-10-24 Wireless surface acoustic wave-based proximity sensor, sensing system and method

Publications (1)

Publication Number Publication Date
BRPI0804527A2 true BRPI0804527A2 (pt) 2009-06-30

Family

ID=40291053

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0804527-5A BRPI0804527A2 (pt) 2007-10-24 2008-10-23 sensor de proximidade sem fio para detectar a posição de um objeto, sistema de detecção de proximidade sem fio e método para detectar sem fio a posição de um objeto

Country Status (5)

Country Link
US (1) US7834514B2 (pt)
EP (1) EP2053743B1 (pt)
AT (1) ATE548801T1 (pt)
BR (1) BRPI0804527A2 (pt)
CA (1) CA2640918A1 (pt)

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US8669871B2 (en) 2009-11-13 2014-03-11 University Of Central Florida Research Foundation, Inc. Implementation of on-off passive wireless surface acoustic wave sensor using coding and switching techniques
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US9768888B2 (en) * 2013-10-31 2017-09-19 King Abdullah University Of Science And Technology Integrated passive and wireless sensor
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WO2018041346A1 (en) * 2016-08-31 2018-03-08 Huawei Technologies Duesseldorf Gmbh Filtered multi-carrier communications
US11239823B1 (en) 2017-06-16 2022-02-01 Hrl Laboratories, Llc Quartz MEMS piezoelectric resonator for chipscale RF antennae
US11101786B1 (en) 2017-06-20 2021-08-24 Hrl Laboratories, Llc HF-VHF quartz MEMS resonator
US10921360B2 (en) * 2018-02-09 2021-02-16 Hrl Laboratories, Llc Dual magnetic and electric field quartz sensor
CN108470825B (zh) * 2018-03-28 2019-11-05 电子科技大学 基于负泊松比磁致伸缩衬底的磁电声表面波器件
US10600438B2 (en) * 2018-04-18 2020-03-24 Seagate Technology Llc Surface acoustic wave-based sensing and actuation of contamination
WO2019201409A1 (de) * 2018-04-19 2019-10-24 Diehl Ako Stiftung & Co. Kg Drucktasten-bedienvorrichtung
US10819276B1 (en) 2018-05-31 2020-10-27 Hrl Laboratories, Llc Broadband integrated RF magnetic antenna
US11563420B1 (en) 2019-03-29 2023-01-24 Hrl Laboratories, Llc Femto-tesla MEMS RF antenna with integrated flux concentrator
US11988727B1 (en) 2019-07-31 2024-05-21 Hrl Laboratories, Llc Magnetostrictive MEMS magnetic gradiometer
CN114034406B (zh) * 2021-11-08 2024-05-28 株洲国创轨道科技有限公司 一种磁致伸缩高能激励的低频声表面波传感器
CN116315618B (zh) * 2023-05-08 2023-10-31 安徽大学 一种微型化多波束低频/5g/6g连续频率可调天线
GB2644112A (en) * 2024-09-17 2026-03-18 Univ Warwick Probe

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Also Published As

Publication number Publication date
US7834514B2 (en) 2010-11-16
ATE548801T1 (de) 2012-03-15
EP2053743A3 (en) 2011-05-25
EP2053743B1 (en) 2012-03-07
CA2640918A1 (en) 2009-04-24
US20090109048A1 (en) 2009-04-30
EP2053743A2 (en) 2009-04-29

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]