HK888A - A pulse count fm detector - Google Patents

A pulse count fm detector

Info

Publication number
HK888A
HK888A HK8/88A HK888A HK888A HK 888 A HK888 A HK 888A HK 8/88 A HK8/88 A HK 8/88A HK 888 A HK888 A HK 888A HK 888 A HK888 A HK 888A
Authority
HK
Hong Kong
Prior art keywords
detector
pulse count
count
pulse
Prior art date
Application number
HK8/88A
Other languages
English (en)
Inventor
Makoto Furihata
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of HK888A publication Critical patent/HK888A/xx

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manipulation Of Pulses (AREA)
  • Circuits Of Receivers In General (AREA)
  • Television Signal Processing For Recording (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radar Systems Or Details Thereof (AREA)
HK8/88A 1982-02-10 1988-01-07 A pulse count fm detector HK888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57018744A JPS58137307A (ja) 1982-02-10 1982-02-10 パルスカウントｆｍ検波回路

Publications (1)

Publication Number Publication Date
HK888A true HK888A (en) 1988-01-15

Family

ID=11980160

Family Applications (1)

Application Number Title Priority Date Filing Date
HK8/88A HK888A (en) 1982-02-10 1988-01-07 A pulse count fm detector

Country Status (7)

Country Link
US (1) US4504792A (xx)
JP (1) JPS58137307A (xx)
DE (1) DE3244333A1 (xx)
GB (1) GB2114832B (xx)
HK (1) HK888A (xx)
IT (1) IT1161606B (xx)
SG (1) SG88887G (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444757A1 (de) * 1983-12-09 1985-06-13 Plessey Overseas Ltd., Ilford, Essex Fm-demodulationsanordnung
JPS60121317U (ja) * 1984-01-26 1985-08-16 日本コロムビア株式会社 Ｆｍ復調器
US4578653A (en) * 1984-06-25 1986-03-25 General Electric Company Frequency selective filter circuit
DK8504987A (xx) * 1984-10-31 1986-05-01
US4614912A (en) * 1985-06-05 1986-09-30 Eastman Kodak Company FM demodulator with temperature compensation
KR970055245A (ko) * 1995-12-30 1997-07-31 김광호 에프.엠 복조 회로
FI105610B (fi) * 1998-09-22 2000-09-15 Micro Analog Syst Oy FM-demodulaattori
FI20001000A (fi) * 2000-04-27 2001-10-28 Nokia Mobile Phones Ltd Menetelmä ja järjestely taajuusmoduloidun signaalin vastaanottamiseksi
WO2002013201A2 (en) * 2000-08-03 2002-02-14 Broadcom Corporation Circuit and method for multi-phase alignment
ATE403968T1 (de) * 2006-04-21 2008-08-15 Alcatel Lucent Daten-slicer schaltung, demodulationsstufe, empfangssystem und methode zur demodulation von sprungkodierten signalen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244991A (en) * 1962-12-07 1966-04-05 Cons Electrodynamics Corp Demodulator for fm signals utilizing pulse forming circuitry
US3233181A (en) * 1963-01-28 1966-02-01 Ibm Frequency shift signal demodulator
GB1063641A (en) * 1964-06-01 1967-03-30 Thorn Electronics Ltd Improvements in frequency discriminators
GB1097845A (en) * 1966-09-17 1968-01-03 Thorn Electronics Ltd Improvements in frequency discriminators
US3571736A (en) * 1969-01-14 1971-03-23 Ibm Demodulator for pulse width modulated signals
US3763435A (en) * 1971-04-17 1973-10-02 B Holman Circuit for deciding about the position of the repetition frequency of signal transitions in an input signal
JPS5625811B2 (xx) * 1971-09-18 1981-06-15
US3843928A (en) * 1972-07-28 1974-10-22 Matsushita Electric Ind Co Ltd Fm demodulation system providing noise reduction property
GB1437325A (en) * 1972-08-18 1976-05-26 Rca Corp Fm demodulator
JPS4943619A (xx) * 1972-08-29 1974-04-24
US3778638A (en) * 1972-11-09 1973-12-11 Gen Electric Frequency-to-voltage converter having high noise immunity
DE2610841A1 (de) * 1976-03-15 1977-09-29 Bosch Gmbh Robert Schaltanordnung zur ableitung von impulsen definierter dauer aus einem triggersignal
DE3024621C2 (de) * 1980-06-30 1982-01-28 Rohde & Schwarz GmbH & Co KG, 8000 München Frequenzdemmodulator

Also Published As

Publication number Publication date
US4504792A (en) 1985-03-12
DE3244333A1 (de) 1983-09-01
SG88887G (en) 1988-06-03
JPS58137307A (ja) 1983-08-15
IT8319501A0 (it) 1983-02-09
IT1161606B (it) 1987-03-18
GB2114832B (en) 1986-10-01
IT8319501A1 (it) 1984-08-09
GB2114832A (en) 1983-08-24

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