BR0105998A - Sensor de temperatura com resposta ajustável para transceptor - Google Patents

Sensor de temperatura com resposta ajustável para transceptor

Info

Publication number
BR0105998A
BR0105998A BR0105998-0A BR0105998A BR0105998A BR 0105998 A BR0105998 A BR 0105998A BR 0105998 A BR0105998 A BR 0105998A BR 0105998 A BR0105998 A BR 0105998A
Authority
BR
Brazil
Prior art keywords
temperature
transceiver
perception
temperature sensor
resistor
Prior art date
Application number
BR0105998-0A
Other languages
English (en)
Inventor
Joseph Michael Letkomiller
Dale Lee Yones
Richard Stephen Pollack
Original Assignee
Goodyear Tire & Rubber
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 Goodyear Tire & Rubber filed Critical Goodyear Tire & Rubber
Publication of BR0105998A publication Critical patent/BR0105998A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/20—Devices for measuring or signalling tyre temperature only

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

"SENSOR DE TEMPERATURA COM RESPOSTA AJUSTáVEL PARA TRANSCEPTOR". Trata-se de um sensor de temperatura com resposta ajustável (306, Rext) , particularmente para um transceptor (102, 200, 400) capaz de medir um ou mais parâmetros (por exemplo, temperatura, pressão) e transmitir um fluxo de dados (Figuras 3C, 4B) para uma leitora/interrogador externo (106) . O transceptor tipicamente opera em um modo passivo, derivando sua força (Vxx, Vcc, Vdd) de um sinal de interrogação RF recebido por um sistema de antena (210, 410), mas também opera em um modo ativo energizado por bateria. O transceptor inclui memória (238, 438) para armazenar as medidas, dados de calibragem, parâmetros de compensação programável (436b), ID do transceptor e semelhantes. O sensor de temperatura é um dispositivo de medida de temperatura caracterizado por uma resistência (Rext, 216, 416, 716) e por um circuito de percepção de temperatura (306) compreendendo um transistor de percepção de temperatura (Q1) que exibe uma alteração prognosticável em sua voltagem do emissor base devido à temperatura e os transistores (P1, N1, P2, N2) conectados para espelhar uma corrente (I(T)) através do transistor de percepção de temperatura e através da resistência. A resistência pode ser um resistor fixo independente da temperatura ou uma resistência que possui um valor de resistência que de forma prognosticável varia com a temperatura, tal como um termistor (716) . A resposta da temperatura e a resolução podem ser ajustadas ao mesmo tempo que mantendo-se os níveis de corrente desejados pela variação do valor da resistência e também pela seleção de um termistor com um coeficiente de temperatura adequado. os bits de compensação que podem ser configurados pelo usuário podem ser utilizados para determinar a graduação da saída do transceptor. A substituição de um capacitor externo de percepção de pressão por um capacitor de valor fixo permite flexibilidade na graduação da saída quando somente leituras de temperatura são necessárias.
BR0105998-0A 2000-12-21 2001-12-11 Sensor de temperatura com resposta ajustável para transceptor BR0105998A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/742,652 US6369712B2 (en) 1999-05-17 2000-12-21 Response adjustable temperature sensor for transponder

Publications (1)

Publication Number Publication Date
BR0105998A true BR0105998A (pt) 2002-08-06

Family

ID=24985698

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0105998-0A BR0105998A (pt) 2000-12-21 2001-12-11 Sensor de temperatura com resposta ajustável para transceptor

Country Status (4)

Country Link
US (1) US6369712B2 (pt)
EP (1) EP1216855A3 (pt)
JP (1) JP2002243554A (pt)
BR (1) BR0105998A (pt)

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US20010004236A1 (en) 2001-06-21
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EP1216855A3 (en) 2003-04-09
US6369712B2 (en) 2002-04-09

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