LU74516A1 - - Google Patents

Info

Publication number
LU74516A1
LU74516A1 LU74516A LU74516A LU74516A1 LU 74516 A1 LU74516 A1 LU 74516A1 LU 74516 A LU74516 A LU 74516A LU 74516 A LU74516 A LU 74516A LU 74516 A1 LU74516 A1 LU 74516A1
Authority
LU
Luxembourg
Application number
LU74516A
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 LU74516A1 publication Critical patent/LU74516A1/xx

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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Amplification And Gain Control (AREA)
LU74516A 1975-03-20 1976-03-10 LU74516A1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508763A FR2304899A1 (fr) 1975-03-20 1975-03-20 Detecteur de crete d'une variable

Publications (1)

Publication Number Publication Date
LU74516A1 true LU74516A1 (enrdf_load_html_response) 1977-01-11

Family

ID=9152843

Family Applications (1)

Application Number Title Priority Date Filing Date
LU74516A LU74516A1 (enrdf_load_html_response) 1975-03-20 1976-03-10

Country Status (11)

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

Families Citing this family (8)

* 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 (fr) * 1979-03-12 1980-10-10 Soumagne Joel Discriminateur parole/silence pour interpolation de la parole
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 (fr) * 1983-03-22 1985-07-12 Soletanche Procede et dispositif pour obtenir la valeur de crete d'un signal et application a un procede et un dispositif pour determiner la durete d'un sol
DE3678576D1 (de) * 1986-07-15 1991-05-08 Ibm Verfahren und einrichtung zum echoschutz in einem modem.
RU2153679C2 (ru) * 1997-07-03 2000-07-27 Ковровская государственная технологическая академия Способ комплексного определения параметров переменного напряжения или тока синусоидальной формы
CN115060958B (zh) * 2022-06-20 2025-09-16 深圳市必易微电子股份有限公司 一种带迟滞的峰值信号检测方法、检测电路及电源电路

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 (de) * 1970-02-13 1971-08-26 Losenhausen Testomax Gmbh Spitzenwertberechner

Also Published As

Publication number Publication date
SE7603353L (sv) 1976-09-21
FR2304899A1 (fr) 1976-10-15
DK144548B (da) 1982-03-22
SE408844B (sv) 1979-07-09
NL7602866A (nl) 1976-09-22
JPS51117671A (en) 1976-10-15
GB1499635A (en) 1978-02-01
IE42518L (en) 1976-09-20
DE2610834A1 (de) 1976-09-30
FR2304899B1 (enrdf_load_html_response) 1977-11-18
DK122576A (da) 1976-09-21
IE42518B1 (en) 1980-08-27
DK144548C (da) 1982-09-06
BE839223A (fr) 1976-09-06
IT1058424B (it) 1982-04-10

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