JPS561826B2 - - Google Patents

Info

Publication number
JPS561826B2
JPS561826B2 JP1090275A JP1090275A JPS561826B2 JP S561826 B2 JPS561826 B2 JP S561826B2 JP 1090275 A JP1090275 A JP 1090275A JP 1090275 A JP1090275 A JP 1090275A JP S561826 B2 JPS561826 B2 JP S561826B2
Authority
JP
Japan
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
Application number
JP1090275A
Other languages
Japanese (ja)
Other versions
JPS5148256A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 filed Critical
Publication of JPS5148256A publication Critical patent/JPS5148256A/ja
Publication of JPS561826B2 publication Critical patent/JPS561826B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14Demodulator circuits; Receiver circuits
    • H04L27/144Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
  • Manipulation Of Pulses (AREA)
JP1090275A 1974-10-23 1975-01-25 Expired JPS561826B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/517,384 US3947769A (en) 1974-10-23 1974-10-23 Threshold correction system in FSK transmissions

Publications (2)

Publication Number Publication Date
JPS5148256A JPS5148256A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-04-24
JPS561826B2 true JPS561826B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-01-16

Family

ID=24059588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1090275A Expired JPS561826B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-23 1975-01-25

Country Status (6)

Country Link
US (1) US3947769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS561826B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1024602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2289076A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1529806A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1025916B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55113911A (en) 1979-02-26 1980-09-02 Nissan Motor Co Ltd Karman vortex flow meter
JPS562728A (en) * 1979-06-21 1981-01-13 Matsushita Electric Ind Co Ltd Binary processing circuit
US4385328A (en) * 1979-10-26 1983-05-24 Sony Corporation Data extracting circuit
DE3008076C2 (de) * 1980-03-03 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Empfängerabschaltung bei kleinem Signal-Geräusch-Abstand für ein digital moduliertes Funksystem mit Frequenzmodulation
JPS57184356A (en) * 1981-05-08 1982-11-13 Seiko Epson Corp Fsk demodulating circuit
US4459474A (en) * 1981-05-18 1984-07-10 Walton Charles A Identification system with separation and direction capability and improved noise rejection
US4471312A (en) * 1981-06-02 1984-09-11 Texas Instruments Incorporated Integrated circuit demodulator for FSK signals
US4481642A (en) * 1981-06-02 1984-11-06 Texas Instruments Incorporated Integrated circuit FSK modem
US4409593A (en) * 1982-01-11 1983-10-11 General Electric Company Threshold-less collision detection and bit arbitration in a CFSK data system
JPS5952417A (ja) * 1982-09-16 1984-03-27 Toshiba Corp デ−タ抜取回路
JPS59127542A (ja) * 1983-01-10 1984-07-23 東京電力株式会社 位相パルス信号のレベル検定方法
US4531235A (en) * 1983-06-20 1985-07-23 Motorola, Inc. Diversity signal strength indicator and site selection apparatus for using same
US4703476A (en) * 1983-09-16 1987-10-27 Audicom Corporation Encoding of transmitted program material
US4736391A (en) * 1986-07-22 1988-04-05 General Electric Company Threshold control with data receiver
CA1290083C (en) * 1987-06-10 1991-10-01 Grass Valley Group, Inc. (The) Analog "blue" signal detector
WO1989002200A1 (en) * 1987-08-28 1989-03-09 Case/Datatel Adaptive jitter-tracking method and system
US4873700A (en) * 1987-10-14 1989-10-10 National Semiconductor Corporation Auto-threshold/adaptive equalizer
US5036525A (en) * 1987-10-14 1991-07-30 National Semiconductor Corp. Adaptive equalizer
US4926442A (en) * 1988-06-17 1990-05-15 International Business Machines Corporation CMOS signal threshold detector
US5025456A (en) * 1989-02-02 1991-06-18 At&T Bell Laboratories Burst mode digital data receiver
US5052021A (en) * 1989-05-19 1991-09-24 Kabushiki Kaisha Toshiba Digital signal decoding circuit and decoding method
US5132829A (en) * 1989-12-18 1992-07-21 Bell Telephone Laboratories Inc. Tone spacing and power level monitor for fsk lightwave systems
US5121407A (en) * 1990-09-27 1992-06-09 Pittway Corporation Spread spectrum communications system
US5475342A (en) * 1993-04-19 1995-12-12 Nippon Telegraph And Telephone Corporation Amplifier for stably maintaining a constant output
GB9419630D0 (en) * 1994-09-29 1994-11-16 Philips Electronics Uk Ltd Receiver having an adjustable symbol slice demodulator
US6215514B1 (en) * 1997-06-27 2001-04-10 Trilithic, Inc. Ingress monitoring system
JP2009280209A (ja) * 1999-06-23 2009-12-03 Panasonic Corp 自転車スタンド
US6735260B1 (en) * 2000-04-17 2004-05-11 Texas Instruments Incorporated Adaptive data slicer
US7068725B2 (en) * 2000-07-10 2006-06-27 Garmin At, Inc. Bit detection threshold in a TDMA burst communication system
US6968019B2 (en) * 2000-11-27 2005-11-22 Broadcom Corporation IF FSK receiver
US6512799B2 (en) 2001-02-06 2003-01-28 University Of South Alabama Digital communication system and method for increased bit rates
US7061995B2 (en) * 2001-10-31 2006-06-13 Intel Corporation Apparatus and method to generate an adaptive slicer threshold for binary data
EP1313277A1 (en) * 2001-11-16 2003-05-21 Agilent Technologies, Inc. (a Delaware corporation) Method for determining the magnitude of AMI-pulses by calculating the median value
JP2004064196A (ja) * 2002-07-25 2004-02-26 Renesas Technology Corp スライス回路
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
US7792514B2 (en) * 2007-06-08 2010-09-07 Seiko Epson Corporation Envelope detector for AM radio
US8428528B2 (en) * 2007-10-24 2013-04-23 Biotronik Crm Patent Ag Radio communications system designed for a low-power receiver
US8086200B2 (en) * 2007-10-24 2011-12-27 Biotronik Crm Patent Ag Radio communications system designed for a low-power receiver
JP4911209B2 (ja) * 2009-09-15 2012-04-04 横河電機株式会社 タイミング検出装置
US10250418B2 (en) * 2016-08-02 2019-04-02 Keyssa Systems, Inc. EHF receiver architecture with dynamically adjustable discrimination threshold

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476990A (en) * 1944-01-05 1949-07-26 Creed & Co Ltd Automatic gain control
US2999925A (en) * 1959-01-28 1961-09-12 Page Comm Engineers Inc Variable decision threshold computer
GB1074514A (en) * 1963-02-21 1967-07-05 Plessey Uk Ltd Improvements in or relating to telegraph receiving apparatus
US3348153A (en) * 1964-02-17 1967-10-17 Ibm Frequency-shift receiver insensitive to distortion and selective fading
US3473131A (en) * 1965-06-04 1969-10-14 Radiation Inc Level shift correction circuits
US3751636A (en) * 1972-06-01 1973-08-07 Rca Corp Signal transition detection circuit

Also Published As

Publication number Publication date
FR2289076A1 (fr) 1976-05-21
US3947769A (en) 1976-03-30
FR2289076B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-04-28
JPS5148256A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-04-24
IT1025916B (it) 1978-08-30
DE2456664B2 (de) 1977-06-23
DE2456664A1 (de) 1976-04-29
CA1024602A (en) 1978-01-17
GB1529806A (en) 1978-10-25

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