DE3575251D1 - Fsk-demodulator. - Google Patents

Fsk-demodulator.

Info

Publication number
DE3575251D1
DE3575251D1 DE8585304946T DE3575251T DE3575251D1 DE 3575251 D1 DE3575251 D1 DE 3575251D1 DE 8585304946 T DE8585304946 T DE 8585304946T DE 3575251 T DE3575251 T DE 3575251T DE 3575251 D1 DE3575251 D1 DE 3575251D1
Authority
DE
Germany
Prior art keywords
fsk demodulator
fsk
demodulator
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 - Fee Related
Application number
DE8585304946T
Other languages
English (en)
Inventor
Kyoji Watanabe
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3575251D1 publication Critical patent/DE3575251D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8585304946T 1984-07-18 1985-07-11 Fsk-demodulator. Expired - Fee Related DE3575251D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14757484A JPS6128258A (ja) 1984-07-18 1984-07-18 Ｆｓｋ復調回路

Publications (1)

Publication Number Publication Date
DE3575251D1 true DE3575251D1 (de) 1990-02-08

Family

ID=15433438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304946T Expired - Fee Related DE3575251D1 (de) 1984-07-18 1985-07-11 Fsk-demodulator.

Country Status (6)

Country Link
US (1) US4616187A (de)
EP (1) EP0170454B1 (de)
JP (1) JPS6128258A (de)
AU (1) AU575180B2 (de)
CA (1) CA1243083A (de)
DE (1) DE3575251D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128258A (ja) * 1984-07-18 1986-02-07 Nec Corp Ｆｓｋ復調回路
JP2804755B2 (ja) * 1986-09-01 1998-09-30 株式会社日立製作所 Ｆｓｋ信号復調回路
US4868861A (en) * 1988-04-28 1989-09-19 Amaf Industries, Inc. Trunk dialing converter
US5022055A (en) * 1988-04-28 1991-06-04 Amaf Industries, Inc. Trunk dialing converter
JP2863186B2 (ja) * 1989-03-14 1999-03-03 沖電気工業株式会社 Ｍｓｋ信号検出回路
JPH0813049B2 (ja) * 1990-06-20 1996-02-07 三菱電機株式会社 周波数誤差検出装置
DE4210265C2 (de) * 1992-03-28 1994-02-17 Voelkel Mikroelektronik Gmbh Verfahren und Vorrichtung zur digitalen Aufbereitung frequenzmodulierter Signale, insbesondere für Funkempfänger
US5732108A (en) * 1993-03-04 1998-03-24 Nokia Mobile Phones Ltd. Method and apparatus for producing a difference signal between two signal frequencies, and for detection of modulation
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
US5917430A (en) * 1995-08-28 1999-06-29 The Safety Warning System, L.C. Radar based highway safety warning system
US5684837A (en) * 1996-03-06 1997-11-04 United Microelectronics Corporation Adjustable digital FSK demodulator
WO2005071828A1 (en) * 2004-01-22 2005-08-04 The Regents Of The University Of Michigan Demodulatr, chip and method for digitally demodulating an fsk signal
JP5988863B2 (ja) * 2012-12-27 2016-09-07 パナソニック株式会社 受信装置及び復調方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614639A (en) * 1969-07-30 1971-10-19 Ibm Fsk digital demodulator with majority decision filtering
US3979685A (en) * 1974-09-16 1976-09-07 Hycom Incorporated Frequency shift key demodulator
DE2630957A1 (de) * 1976-07-07 1978-01-12 Licentia Gmbh Einrichtung zur demodulation
JPS6128258A (ja) * 1984-07-18 1986-02-07 Nec Corp Ｆｓｋ復調回路

Also Published As

Publication number Publication date
JPS6128258A (ja) 1986-02-07
US4616187A (en) 1986-10-07
AU4484585A (en) 1986-01-23
EP0170454B1 (de) 1990-01-03
EP0170454A1 (de) 1986-02-05
CA1243083A (en) 1988-10-11
AU575180B2 (en) 1988-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee