FR2304899A1 - Detecteur de crete d'une variable - Google Patents
Detecteur de crete d'une variableInfo
- Publication number
- FR2304899A1 FR2304899A1 FR7508763A FR7508763A FR2304899A1 FR 2304899 A1 FR2304899 A1 FR 2304899A1 FR 7508763 A FR7508763 A FR 7508763A FR 7508763 A FR7508763 A FR 7508763A FR 2304899 A1 FR2304899 A1 FR 2304899A1
- Authority
- FR
- France
- Prior art keywords
- variable
- peak detector
- peak
- detector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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)
- Measurement Of Current Or Voltage (AREA)
- Analogue/Digital Conversion (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Control Of Amplification And Gain Control (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7508763A FR2304899A1 (fr) | 1975-03-20 | 1975-03-20 | Detecteur de crete d'une variable |
BE1007231A BE839223A (fr) | 1975-03-20 | 1976-03-05 | Detecteur de crete d'une variable |
LU74516A LU74516A1 (xx) | 1975-03-20 | 1976-03-10 | |
DE19762610834 DE2610834A1 (de) | 1975-03-20 | 1976-03-15 | Detektor zur feststellung des spitzenwerts einer veraenderlichen elektrischen groesse |
JP51027221A JPS51117671A (en) | 1975-03-20 | 1976-03-15 | Peak detector |
IT21242/76A IT1058424B (it) | 1975-03-20 | 1976-03-16 | Rivelatore di cresta di una variabile |
SE7603353A SE408844B (sv) | 1975-03-20 | 1976-03-17 | Detektor for detektering av en variabel signals niva |
NL7602866A NL7602866A (nl) | 1975-03-20 | 1976-03-18 | Inrichting voor het detecteren van de maximum waarde van een variabele. |
IE583/76A IE42518B1 (en) | 1975-03-20 | 1976-03-19 | Peak level detector circuit |
DK122576A DK144548C (da) | 1975-03-20 | 1976-03-19 | Signalspidsvaerdidetektor,isaer til ekkoundertrykkelseskobling |
GB11376/76A GB1499635A (en) | 1975-03-20 | 1976-03-22 | Peak level detector circuit |
US05/837,147 US4199729A (en) | 1975-03-20 | 1977-09-27 | Variable peak detector |
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 (2)
Publication Number | Publication Date |
---|---|
FR2304899A1 true FR2304899A1 (fr) | 1976-10-15 |
FR2304899B1 FR2304899B1 (xx) | 1977-11-18 |
Family
ID=9152843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7508763A Granted FR2304899A1 (fr) | 1975-03-20 | 1975-03-20 | Detecteur de crete d'une variable |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS51117671A (xx) |
BE (1) | BE839223A (xx) |
DE (1) | DE2610834A1 (xx) |
DK (1) | DK144548C (xx) |
FR (1) | FR2304899A1 (xx) |
GB (1) | GB1499635A (xx) |
IE (1) | IE42518B1 (xx) |
IT (1) | IT1058424B (xx) |
LU (1) | LU74516A1 (xx) |
NL (1) | NL7602866A (xx) |
SE (1) | SE408844B (xx) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2374689A1 (fr) * | 1976-12-17 | 1978-07-13 | Ibm | Moniteur de service pour detecter et memoriser les perturbations d'une ligne d'alimentation electrique |
EP0015363A1 (fr) * | 1979-03-05 | 1980-09-17 | International Business Machines Corporation | Détecteur de parole à niveau de seuil variable |
FR2451680A1 (fr) * | 1979-03-12 | 1980-10-10 | Soumagne Joel | Discriminateur parole/silence pour interpolation de la parole |
FR2543304A1 (fr) * | 1983-03-22 | 1984-09-28 | 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 |
EP0253039A1 (fr) * | 1986-07-15 | 1988-01-20 | International Business Machines Corporation | Méthode et dispositif de protection contre les échos dans un modem |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (3)
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 |
-
1975
- 1975-03-20 FR FR7508763A patent/FR2304899A1/fr active Granted
-
1976
- 1976-03-05 BE BE1007231A patent/BE839223A/xx unknown
- 1976-03-10 LU LU74516A patent/LU74516A1/xx unknown
- 1976-03-15 JP JP51027221A patent/JPS51117671A/ja active Pending
- 1976-03-15 DE DE19762610834 patent/DE2610834A1/de not_active Withdrawn
- 1976-03-16 IT IT21242/76A patent/IT1058424B/it active
- 1976-03-17 SE SE7603353A patent/SE408844B/xx unknown
- 1976-03-18 NL NL7602866A patent/NL7602866A/xx not_active Application Discontinuation
- 1976-03-19 DK DK122576A patent/DK144548C/da active
- 1976-03-19 IE IE583/76A patent/IE42518B1/en unknown
- 1976-03-22 GB GB11376/76A patent/GB1499635A/en not_active Expired
Patent Citations (3)
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 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2374689A1 (fr) * | 1976-12-17 | 1978-07-13 | Ibm | Moniteur de service pour detecter et memoriser les perturbations d'une ligne d'alimentation electrique |
EP0015363A1 (fr) * | 1979-03-05 | 1980-09-17 | International Business Machines Corporation | Détecteur de parole à niveau de seuil variable |
FR2451680A1 (fr) * | 1979-03-12 | 1980-10-10 | Soumagne Joel | Discriminateur parole/silence pour interpolation de la parole |
FR2543304A1 (fr) * | 1983-03-22 | 1984-09-28 | 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 |
EP0253039A1 (fr) * | 1986-07-15 | 1988-01-20 | International Business Machines Corporation | Méthode et dispositif de protection contre les échos dans un modem |
Also Published As
Publication number | Publication date |
---|---|
IE42518B1 (en) | 1980-08-27 |
GB1499635A (en) | 1978-02-01 |
SE408844B (sv) | 1979-07-09 |
DK144548C (da) | 1982-09-06 |
LU74516A1 (xx) | 1977-01-11 |
DK144548B (da) | 1982-03-22 |
FR2304899B1 (xx) | 1977-11-18 |
NL7602866A (nl) | 1976-09-22 |
BE839223A (fr) | 1976-09-06 |
IT1058424B (it) | 1982-04-10 |
JPS51117671A (en) | 1976-10-15 |
DK122576A (da) | 1976-09-21 |
SE7603353L (sv) | 1976-09-21 |
DE2610834A1 (de) | 1976-09-30 |
IE42518L (en) | 1976-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |