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ATE2915T1 - Anordnung zur bestimmung der periodischen bestandteile eines wechselstromsignals. - Google Patents

Anordnung zur bestimmung der periodischen bestandteile eines wechselstromsignals.

Info

Publication number
ATE2915T1
ATE2915T1 AT79302319T AT79302319T ATE2915T1 AT E2915 T1 ATE2915 T1 AT E2915T1 AT 79302319 T AT79302319 T AT 79302319T AT 79302319 T AT79302319 T AT 79302319T AT E2915 T1 ATE2915 T1 AT E2915T1
Authority
AT
Austria
Prior art keywords
signal
frequency
autocorrelator
comparator
periods
Prior art date
Application number
AT79302319T
Other languages
English (en)
Inventor
George William Gurry
Original Assignee
Consumer Microcircuits Limited
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 Consumer Microcircuits Limited filed Critical Consumer Microcircuits Limited
Application granted granted Critical
Publication of ATE2915T1 publication Critical patent/ATE2915T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • G01R23/155—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit) giving an indication of the number of times this occurs, i.e. multi-channel analysers (for pulse characteristics)

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manipulation Of Pulses (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT79302319T 1978-10-27 1979-10-24 Anordnung zur bestimmung der periodischen bestandteile eines wechselstromsignals. ATE2915T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7842202 1978-10-27
EP79302319A EP0010922B1 (de) 1978-10-27 1979-10-24 Anordnung zur Bestimmung der periodischen Bestandteile eines Wechselstromsignals

Publications (1)

Publication Number Publication Date
ATE2915T1 true ATE2915T1 (de) 1983-04-15

Family

ID=10500636

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79302319T ATE2915T1 (de) 1978-10-27 1979-10-24 Anordnung zur bestimmung der periodischen bestandteile eines wechselstromsignals.

Country Status (5)

Country Link
US (1) US4319334A (de)
EP (1) EP0010922B1 (de)
AT (1) ATE2915T1 (de)
AU (1) AU541465B2 (de)
DE (1) DE2965117D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456959A (en) * 1980-07-17 1984-06-26 Terumo Corporation Period measurement system
US4564919A (en) * 1981-12-22 1986-01-14 Nippon Kogaku K.K. Correlation calculating apparatus
JPS5928725A (ja) * 1982-08-09 1984-02-15 Hitachi Ltd 論理方式
US4914600A (en) * 1987-06-05 1990-04-03 Gruman Aerospace Corporation Programmable frequency identifier circuit
CA1280224C (en) * 1987-08-27 1991-02-12 Daniel Gagnon Method and circuit for processing narrow band signals located in a wide band having disturbance
US4891716A (en) * 1988-10-03 1990-01-02 Datatape Incorporated Autocalibration of a data signal channel through simultaneous control signals
AU3218699A (en) 1998-03-30 1999-10-18 3Com Corporation Low complexity frequency estimator and interference cancellation method and device
CN119322947A (zh) * 2024-12-16 2025-01-17 利维智能（深圳）有限公司 频率识别方法、装置、计算机设备和计算机可读存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221559C3 (de) * 1972-05-03 1980-09-11 Texas Instruments Deutschland Gmbh, 8050 Freising Ultraschall-Fernsteuerungsempfänger
US4024414A (en) * 1973-10-31 1977-05-17 Bertram Frederick McCarthy Electrical circuit means for detecting the frequency of input signals
US3882303A (en) * 1974-04-08 1975-05-06 Us Navy Digital frequency correlator
JPS567592B2 (de) * 1974-10-31 1981-02-18
US4021653A (en) * 1975-10-14 1977-05-03 Motorola, Inc. Digital programmable tone detector
US4064488A (en) * 1976-06-10 1977-12-20 Motorola, Inc. Sampled signal detector
US4071903A (en) * 1976-08-04 1978-01-31 International Business Machines Corporation Autocorrelation function factor generating method and circuitry therefor
DE2735785A1 (de) * 1977-08-09 1979-02-22 Bosch Gmbh Robert Verfahren zur frequenzmessung unter verwendung digitaler schaltungsmittel
NL7809383A (nl) * 1977-09-16 1979-03-20 Hitachi Ltd Ontvangstelsel voor multifrequentiesignalen.
US4177453A (en) * 1977-10-25 1979-12-04 Zenith Radio Corporation Digital remote control system with improved noise immunity
FR2409652A1 (fr) * 1977-11-18 1979-06-15 Materiel Telephonique Recepteur de signaux numeriques multifrequences codes

Also Published As

Publication number Publication date
DE2965117D1 (en) 1983-05-05
EP0010922B1 (de) 1983-03-30
EP0010922A1 (de) 1980-05-14
AU5223779A (en) 1980-05-01
AU541465B2 (en) 1985-01-10
US4319334A (en) 1982-03-09

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Legal Events

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