DE69821784D1 - Fsk-demodulator mit supralinearem integrator - Google Patents

Fsk-demodulator mit supralinearem integrator

Info

Publication number
DE69821784D1
DE69821784D1 DE69821784T DE69821784T DE69821784D1 DE 69821784 D1 DE69821784 D1 DE 69821784D1 DE 69821784 T DE69821784 T DE 69821784T DE 69821784 T DE69821784 T DE 69821784T DE 69821784 D1 DE69821784 D1 DE 69821784D1
Authority
DE
Germany
Prior art keywords
signal
bit
previous
encoded
integrator
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69821784T
Other languages
English (en)
Other versions
DE69821784T2 (de
Inventor
J Gaboury
Xiaoxin Feng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosemount Inc
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 DE69821784D1 publication Critical patent/DE69821784D1/de
Application granted granted Critical
Publication of DE69821784T2 publication Critical patent/DE69821784T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69821784T 1997-10-01 1998-09-28 Fsk-demodulator mit supralinearem integrator Expired - Lifetime DE69821784T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/941,949 US6021162A (en) 1997-10-01 1997-10-01 Vortex serial communications
US941949 1997-10-01
PCT/US1998/020274 WO1999017508A1 (en) 1997-10-01 1998-09-28 Fsk demodulator using a super linear integrator

Publications (2)

Publication Number Publication Date
DE69821784D1 true DE69821784D1 (de) 2004-03-25
DE69821784T2 DE69821784T2 (de) 2004-12-02

Family

ID=25477339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69821784T Expired - Lifetime DE69821784T2 (de) 1997-10-01 1998-09-28 Fsk-demodulator mit supralinearem integrator

Country Status (9)

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

Families Citing this family (15)

* 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
AU2002233990A1 (en) * 2000-11-16 2002-05-27 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
JP6247761B2 (ja) * 2013-08-06 2017-12-13 ベドロック・オートメーション・プラットフォームズ・インコーポレーテッド 産業用制御システムのモジュール種別を強化する方法
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
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
CA1087266A (en) * 1976-01-16 1980-10-07 Reed H. Johnston Method and apparatus for communication over electric power lines
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
US4954825A (en) * 1989-03-22 1990-09-04 Eastman Kodak Company Self clocking binary data encoding/decoding method
US4951049A (en) * 1989-03-22 1990-08-21 Eastman Kodak Company Self clocking binary information encoder
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
EP1020057B1 (de) 2004-02-18
US6021162A (en) 2000-02-01
DE69821784T2 (de) 2004-12-02
ATE260009T1 (de) 2004-03-15
CA2305425A1 (en) 1999-04-08
JP4021144B2 (ja) 2007-12-12
EP1020057A1 (de) 2000-07-19
BR9812614A (pt) 2000-08-01
JP2001518749A (ja) 2001-10-16
WO1999017508A1 (en) 1999-04-08
CN1106101C (zh) 2003-04-16
CN1279854A (zh) 2001-01-10

Similar Documents

Publication Publication Date Title
DE69821784D1 (de) Fsk-demodulator mit supralinearem integrator
MY138076A (en) Communication apparatus, communication method, and recording medium used therewith
DE69718395T2 (de) Informationsbits-Übertragungsverfahren mit Fehlerkorrektur-Kodierung, Kodier- und Dekodiervorrichtung dafür
DE69722331D1 (de) Informationsbits-Übertragungsverfahren mit Fehlerkorrektur-Kodierung, Kodier- und Dekodiervorrichtung dafür
DK0954909T3 (da) Fremgangsmåde til kodning af et audiosignal
ATE325470T1 (de) Skalierung demodulierter daten in einem verschachtelungsspeicher
KR920013970A (ko) Cdma 스프레드 스펙트럼 무선 전송 시스템에서의 무선 신호 수신 장치
WO2003010553A3 (en) First-arriving-pulse detection apparatus and associated methods
ZA951115B (en) Method of converting a series of M-bit information words to a modulated signal method of producing a record carrier coding device decoding device recording device reading device signal as well as a record carrier
DK1228504T3 (da) Afkodning af information i lydsignaler
DE60317203D1 (de) Audio-kodierung
ATE205041T1 (de) Verfahren und vorrichtung zum codieren eines zeitdiskreten stereosignals
NO994405L (no) FremgangsmÕte og apparat for talekoding, dekoding, og talekoding/dekoding
WO2001038950A3 (en) Generation and management of customer pin's
ATE246381T1 (de) Datenträger mit zumindest zwei decodierungsstufen
MY113173A (en) Video signal coding and decoding method
MY123608A (en) A modulation technique providing high data rate through band limited channels
EP0660226A3 (de) Begrenzungsschaltung
EP1517300A3 (de) Vorrichtung und Verfahren zur Kodierung von Audiodaten
MY126550A (en) Speech coding with imrpoved background noise reproduction
DE69615950D1 (de) Kodierungsanordnung und -verfahren zur kodierung von (n-1)-bit informationsworten in n-bit kanalworte und dekodierungsanordnung und -verfahren zur dekodierung der kanalworte in informationsworte
HUP0102508A2 (hu) Információhordozó, kódolóberendezés, kódoló eljárás, dekódolóberendezés és dekódoló eljárás
TW347615B (en) Self-initialized coder and method thereof
SE0103616D0 (sv) Method and system for encoding to mitigate decoding errors in a receiver
AU2002222493A8 (en) Decoder, system and method for decoding turbo block codes

Legal Events

Date Code Title Description
8364 No opposition during term of opposition