BR9812614A - Circuito decodificador para decodificar um sinal codificado por frequência em pelo menos dois estados de dados, instrumento de controle de processo, e, processo para decodificar um sinal codificado - Google Patents

Circuito decodificador para decodificar um sinal codificado por frequência em pelo menos dois estados de dados, instrumento de controle de processo, e, processo para decodificar um sinal codificado

Info

Publication number
BR9812614A
BR9812614A BR9812614-8A BR9812614A BR9812614A BR 9812614 A BR9812614 A BR 9812614A BR 9812614 A BR9812614 A BR 9812614A BR 9812614 A BR9812614 A BR 9812614A
Authority
BR
Brazil
Prior art keywords
decoding
encoded signal
signal
bit
previous
Prior art date
Application number
BR9812614-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Michael J Gaboury
Xiaoxin Feng
Original Assignee
Rosemount 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 Inc filed Critical Rosemount Inc
Publication of BR9812614A publication Critical patent/BR9812614A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BR9812614-8A 1997-10-01 1998-09-28 Circuito decodificador para decodificar um sinal codificado por frequência em pelo menos dois estados de dados, instrumento de controle de processo, e, processo para decodificar um sinal codificado BR9812614A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/941,949 US6021162A (en) 1997-10-01 1997-10-01 Vortex serial communications
PCT/US1998/020274 WO1999017508A1 (en) 1997-10-01 1998-09-28 Fsk demodulator using a super linear integrator

Publications (1)

Publication Number Publication Date
BR9812614A true BR9812614A (pt) 2000-08-01

Family

ID=25477339

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812614-8A BR9812614A (pt) 1997-10-01 1998-09-28 Circuito decodificador para decodificar um sinal codificado por frequência em pelo menos dois estados de dados, instrumento de controle de processo, e, processo para decodificar um sinal codificado

Country Status (9)

Country Link
US (1) US6021162A (enExample)
EP (1) EP1020057B1 (enExample)
JP (1) JP4021144B2 (enExample)
CN (1) CN1106101C (enExample)
AT (1) ATE260009T1 (enExample)
BR (1) BR9812614A (enExample)
CA (1) CA2305425A1 (enExample)
DE (1) DE69821784T2 (enExample)
WO (1) WO1999017508A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774232B1 (fr) * 1998-01-26 2000-02-25 Alsthom Cge Alcatel Dispositif de generation d'impulsions de courant a faible bruit, comparateur de phase, synthetiseur et utilisation correspondants
US7372914B2 (en) * 2000-11-16 2008-05-13 Invensys Systems, Inc. Control system methods and apparatus for inductive communication across an isolation barrier
KR100536188B1 (ko) * 2001-11-14 2005-12-14 한국과학기술연구원 인체 등의 매질을 통신선로로 이용한 매질 내외간의 통신방법 및 장치
US6885949B2 (en) * 2002-07-24 2005-04-26 Smar Research Corporation System and method for measuring system parameters and process variables using multiple sensors which are isolated by an intrinsically safe barrier
DE102005041455A1 (de) * 2005-08-31 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
US20100305437A1 (en) * 2007-06-08 2010-12-02 Michael Liebschner System and method for intra-body communication
JP5023836B2 (ja) * 2007-06-25 2012-09-12 横河電機株式会社 ２線式フィールド機器
US9217653B2 (en) * 2007-09-13 2015-12-22 Rosemount Inc. High performance architecture for process transmitters
TWI583187B (zh) * 2013-07-30 2017-05-11 聯詠科技股份有限公司 資料處理方法及裝置
EP4057089B1 (en) * 2013-08-06 2024-07-31 Bedrock Automation Platforms Inc. Programmable discrete output module and corresponding method
CN104347101B (zh) * 2013-08-08 2017-10-27 联咏科技股份有限公司 数据处理方法及装置
US10663331B2 (en) 2013-09-26 2020-05-26 Rosemount Inc. Magnetic flowmeter with power limit and over-current detection
JP6964968B2 (ja) * 2016-09-28 2021-11-10 新コスモス電機株式会社 電気機器および電気機器の信号に重畳するノイズを低減する方法
US10277216B1 (en) * 2017-09-27 2019-04-30 Apple Inc. Wide range input voltage differential receiver
CN109635908B (zh) * 2018-12-13 2020-09-11 中山大学 数模混合解码电路、解码方法及系统架构
CN112542996A (zh) * 2019-09-20 2021-03-23 中国科学院微电子研究所 陀螺数字信号的高阶同步积分解调电路和方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905029A (en) * 1970-12-01 1975-09-09 Gen Motors Corp Method and apparatus for encoding and decoding digital data
US3760412A (en) * 1971-07-01 1973-09-18 R Barnes Rate adaptive nonsynchronous demodulator apparatus
US4053834A (en) * 1973-04-12 1977-10-11 Textron, Inc. Narrowband phase modulation communication system which eliminates thresholding
US3852809A (en) * 1973-07-05 1974-12-03 Ibm Return to zero detection circuit for variable data rate scanning
US3909629A (en) * 1974-01-23 1975-09-30 Ibm H-Configured integration circuits with particular squelch circuit
IT1037127B (it) * 1975-03-18 1979-11-10 Sits Soc It Telecom Siemens Demodulatore di onde modulate in frequenza
US4032915A (en) * 1975-07-23 1977-06-28 Standard Oil Company (Indiana) Speed-tolerant digital decoding system
US4007331A (en) * 1975-08-13 1977-02-08 Bunker Ramo Corporation Apparatus for demodulation of relative phase modulated binary data
SE424944B (sv) * 1976-01-16 1982-08-16 Little Inc A Forfarande for overforing av binera meddelanden over en vexelstromskraftledning
US4100531A (en) * 1977-02-03 1978-07-11 Nasa Bit error rate measurement above and below bit rate tracking threshold
US4312070A (en) * 1979-12-07 1982-01-19 Motorola, Inc. Digital encoder-decoder
US4501000A (en) * 1981-07-27 1985-02-19 Sony Corporation Method of coding binary data
DE3131845A1 (de) * 1981-08-12 1983-02-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zum erzeugen und erfassen digitaler signale beliebiger zeichencodierung
US4425645A (en) * 1981-10-15 1984-01-10 Sri International Digital data transmission with parity bit word lock-on
US4485448A (en) * 1982-02-26 1984-11-27 Sperry Corporation Apparatus and method for detecting the onset of a frequency shift keyed signal
US4592072B1 (en) * 1982-05-07 1994-02-15 Digital Equipment Corporation Decoder for self-clocking serial data communications
US4529941A (en) * 1982-11-29 1985-07-16 Arthur D. Little, Inc. FSK Demodulator utilizing multiple-phase reference frequencies
US4554508A (en) * 1983-12-07 1985-11-19 American Microsystems, Incorporated Carrier detection circuit
US4574247A (en) * 1984-05-21 1986-03-04 Multi-Elmac Company FM Signal demodulator
GB8606028D0 (en) * 1986-03-12 1986-04-16 Int Computers Ltd Decoder
US4787096A (en) * 1987-03-04 1988-11-22 National Semiconductor Corp. Second-order carrier/symbol sychronizer
KR910007815B1 (ko) * 1988-12-31 1991-10-02 삼성전자 주식회사 바이패이즈 엔코딩 데이터의 디코딩방법
US4951049A (en) * 1989-03-22 1990-08-21 Eastman Kodak Company Self clocking binary information encoder
US4954825A (en) * 1989-03-22 1990-09-04 Eastman Kodak Company Self clocking binary data encoding/decoding method
US5073905A (en) * 1989-08-22 1991-12-17 Cincinnati Electronics Corporation Apparatus for and method of synchronizing a local oscillator to a received digital bit stream
US5081644A (en) * 1989-09-05 1992-01-14 Clarion Co., Ltd. Spread spectrum receiving device
US5170396A (en) * 1990-06-14 1992-12-08 Introtek International, L.P. Data valid detector circuit for manchester encoded data
US5042053A (en) * 1990-08-16 1991-08-20 Honeywell Inc. Zero-sync-time apparatus for encoding and decoding
US5148452A (en) * 1990-12-31 1992-09-15 Motorola, Inc. Global positioning system digital receiver
US5175557A (en) * 1991-07-18 1992-12-29 Motorola, Inc. Two channel global positioning system receiver
US5357196A (en) * 1991-08-06 1994-10-18 Jeco Company Limited Circuit for converting a frequency of an input signal so a signal having a digital value corresponding to the frequency
JP3136742B2 (ja) * 1992-02-14 2001-02-19 日産自動車株式会社 通信装置
US5798711A (en) * 1992-05-22 1998-08-25 Directed Electronics, Inc. High throughput embedded code hopping system with bypass mode
US5374927A (en) * 1992-12-23 1994-12-20 Honeywell Inc. Bit-serial decoder for a specially encoded bit stream
US5689692A (en) * 1992-12-23 1997-11-18 Honeywell Inc. Method and apparatus for decoding an encoded NRZ signal
US5574396A (en) * 1994-10-13 1996-11-12 The Foxboro Company Micro-power vortex isolator circuit
US5550505A (en) * 1994-12-30 1996-08-27 General Electric Company Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments
GB9617598D0 (en) * 1996-08-22 1996-10-02 Philips Electronics Nv M-ary fsk receiver

Also Published As

Publication number Publication date
DE69821784D1 (de) 2004-03-25
EP1020057A1 (en) 2000-07-19
US6021162A (en) 2000-02-01
JP4021144B2 (ja) 2007-12-12
WO1999017508A1 (en) 1999-04-08
CN1106101C (zh) 2003-04-16
ATE260009T1 (de) 2004-03-15
CN1279854A (zh) 2001-01-10
DE69821784T2 (de) 2004-12-02
JP2001518749A (ja) 2001-10-16
EP1020057B1 (en) 2004-02-18
CA2305425A1 (en) 1999-04-08

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6O,7O,8O E A 9O ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1909 DE 07/08/2007.