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BE839223A - PEAK DETECTOR OF A VARIABLE - Google Patents

PEAK DETECTOR OF A VARIABLE

Info

Publication number
BE839223A
BE839223A BE1007231A BE1007231A BE839223A BE 839223 A BE839223 A BE 839223A BE 1007231 A BE1007231 A BE 1007231A BE 1007231 A BE1007231 A BE 1007231A BE 839223 A BE839223 A BE 839223A
Authority
BE
Belgium
Prior art keywords
variable
peak detector
peak
detector
Prior art date
Application number
BE1007231A
Other languages
French (fr)
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 BE839223A publication Critical patent/BE839223A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/12—Measuring arrangements giving results other than momentary value of variable, of general application giving a maximum or minimum of a value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of AC or of pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • 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
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/448—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency with conversion of a single frequency signal into a digital signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
BE1007231A 1975-03-20 1976-03-05 PEAK DETECTOR OF A VARIABLE BE839223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508763A FR2304899A1 (en) 1975-03-20 1975-03-20 PEAK DETECTOR OF A VARIABLE

Publications (1)

Publication Number Publication Date
BE839223A true BE839223A (en) 1976-09-06

Family

ID=9152843

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1007231A BE839223A (en) 1975-03-20 1976-03-05 PEAK DETECTOR OF A VARIABLE

Country Status (11)

Country Link
JP (1) JPS51117671A (en)
BE (1) BE839223A (en)
DE (1) DE2610834A1 (en)
DK (1) DK144548C (en)
FR (1) FR2304899A1 (en)
GB (1) GB1499635A (en)
IE (1) IE42518B1 (en)
IT (1) IT1058424B (en)
LU (1) LU74516A1 (en)
NL (1) NL7602866A (en)
SE (1) SE408844B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156280A (en) * 1976-12-17 1979-05-22 International Business Machines Corporation Utility monitor for detecting and storing power line disturbances
CA1130920A (en) * 1979-03-05 1982-08-31 William G. Crouse Speech detector with variable threshold
FR2451680A1 (en) * 1979-03-12 1980-10-10 Soumagne Joel SPEECH / SILENCE DISCRIMINATOR FOR SPEECH INTERPOLATION
HU179871B (en) * 1980-06-05 1982-12-28 Mueszeripari Kutato Intezet Apparatus for searching extreme value of and noise compensation at the procession of sampled signals
FR2543304B1 (en) * 1983-03-22 1985-07-12 Soletanche METHOD AND DEVICE FOR OBTAINING THE PEAK VALUE OF A SIGNAL AND APPLICATION TO A METHOD AND DEVICE FOR DETERMINING THE HARDNESS OF A SOIL
DE3678576D1 (en) * 1986-07-15 1991-05-08 Ibm METHOD AND DEVICE FOR PROTECTING ECHOS IN A MODEM.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543156A (en) * 1967-11-03 1970-11-24 Us Army Automatic digital pulse analyzer
US3593334A (en) * 1968-11-29 1971-07-13 Burroughs Corp Pulse discrimination system
DE2006491A1 (en) * 1970-02-13 1971-08-26 Losenhausen Testomax Gmbh Peak value calculator

Also Published As

Publication number Publication date
NL7602866A (en) 1976-09-22
SE408844B (en) 1979-07-09
FR2304899A1 (en) 1976-10-15
LU74516A1 (en) 1977-01-11
FR2304899B1 (en) 1977-11-18
SE7603353L (en) 1976-09-21
DK144548C (en) 1982-09-06
IE42518L (en) 1976-09-20
JPS51117671A (en) 1976-10-15
IT1058424B (en) 1982-04-10
DE2610834A1 (en) 1976-09-30
GB1499635A (en) 1978-02-01
DK144548B (en) 1982-03-22
DK122576A (en) 1976-09-21
IE42518B1 (en) 1980-08-27

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