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MX153309A - Mejoras a demodulador de senales alternativas moduladas por frecuencia - Google Patents

Mejoras a demodulador de senales alternativas moduladas por frecuencia

Info

Publication number
MX153309A
MX153309A MX198005A MX19800583A MX153309A MX 153309 A MX153309 A MX 153309A MX 198005 A MX198005 A MX 198005A MX 19800583 A MX19800583 A MX 19800583A MX 153309 A MX153309 A MX 153309A
Authority
MX
Mexico
Prior art keywords
frequency modulated
signal demodulator
alternative signal
modulated alternative
demodulator
Prior art date
Application number
MX198005A
Other languages
English (en)
Inventor
Shan Chyi Sun
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of MX153309A publication Critical patent/MX153309A/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Amplitude Modulation (AREA)
MX198005A 1982-07-13 1983-07-12 Mejoras a demodulador de senales alternativas moduladas por frecuencia MX153309A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/397,944 US4510453A (en) 1982-07-13 1982-07-13 Frequency modulation or pulse modulation demodulator

Publications (1)

Publication Number Publication Date
MX153309A true MX153309A (es) 1986-09-11

Family

ID=23573331

Family Applications (1)

Application Number Title Priority Date Filing Date
MX198005A MX153309A (es) 1982-07-13 1983-07-12 Mejoras a demodulador de senales alternativas moduladas por frecuencia

Country Status (6)

Country Link
US (1) US4510453A (es)
EP (1) EP0099265A1 (es)
JP (1) JPS5923905A (es)
CA (1) CA1207037A (es)
ES (1) ES524050A0 (es)
MX (1) MX153309A (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546001B1 (fr) * 1983-05-10 1985-07-05 Thomson Csf Demodulateur de signaux, a enveloppe constante et phase continue, modules angulairement par un train de symboles binaires
JPH0344371Y2 (es) * 1984-09-11 1991-09-18
US5036534A (en) * 1989-01-31 1991-07-30 Kenneth Gural Intelligent telephone interface for automatic answering systems, and method of using
US4935837A (en) * 1989-04-03 1990-06-19 Abb Power T&D Company Inc. Phase comparison relaying system with single channel communications link
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
WO2000044087A2 (en) * 1999-01-22 2000-07-27 Parkervision, Inc. Down-converter using sine to square wave converter
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6798157B2 (en) * 2001-08-20 2004-09-28 International Rectifier Corporation Combined motor drive and current sensing circuit
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US10630276B2 (en) * 2018-09-12 2020-04-21 Semiconductor Components Industries, Llc Pulse width demodulator
RU2711470C1 (ru) * 2018-11-26 2020-01-17 Публичное акционерное общество Арзамасское научно-производственное предприятие "ТЕМП-АВИА" Фазочувствительный амплитудный демодулятор

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099800A (en) * 1961-07-11 1963-07-30 Kauke And Company Inc Frequency to voltage converting circuit
US3333109A (en) * 1963-11-22 1967-07-25 Ampex Means for converting an input signal to a representative voltage
US3553597A (en) * 1968-02-12 1971-01-05 Sierra Research Corp F.m. to p.a.m. converter
US3614641A (en) * 1969-10-06 1971-10-19 Westinghouse Electric Corp Frequency demodulator
IT1014577B (it) * 1974-04-08 1977-04-30 Sits Soc It Telecom Siemens Demodulatore di onde modulate in frequenza per sistemi di trasmissio ne di informazioni binarie
JPS5921204B2 (ja) * 1974-12-03 1984-05-18 ソニー株式会社 Ｆｍ復調器
SU653741A1 (ru) * 1976-03-01 1979-03-25 Предприятие П/Я Г-4046 Преобразователь широтно-модулированного сигнала в напр жение
JPS5382385A (en) * 1976-12-28 1978-07-20 Yasufumi Yamagata Frequency indicator or tachometer
JPS54141551A (en) * 1978-04-25 1979-11-02 Mitsubishi Electric Corp Demodulation circuit for frequency modulation wave
US4275429A (en) * 1979-10-12 1981-06-23 Westinghouse Electric Corp. Protective relay apparatus
JPS5748826A (en) * 1980-09-08 1982-03-20 Japan Electronic Control Syst Co Ltd Circuit for converting input pulse duty ratio into analog voltage
US4380746A (en) * 1981-03-03 1983-04-19 Westinghouse Electric Corp. Pulse modulator using capacitor charging and discharging circuits

Also Published As

Publication number Publication date
EP0099265A1 (en) 1984-01-25
JPS5923905A (ja) 1984-02-07
US4510453A (en) 1985-04-09
ES8406011A1 (es) 1984-06-16
ES524050A0 (es) 1984-06-16
CA1207037A (en) 1986-07-02

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