FR2310662A1 - Procede pour reduire le bruit de quantification dans des installations a modulation par impulsions codees - Google Patents
Procede pour reduire le bruit de quantification dans des installations a modulation par impulsions codeesInfo
- Publication number
- FR2310662A1 FR2310662A1 FR7613404A FR7613404A FR2310662A1 FR 2310662 A1 FR2310662 A1 FR 2310662A1 FR 7613404 A FR7613404 A FR 7613404A FR 7613404 A FR7613404 A FR 7613404A FR 2310662 A1 FR2310662 A1 FR 2310662A1
- Authority
- FR
- France
- Prior art keywords
- installations
- pulse modulation
- coded pulse
- quantification noise
- reducing
- 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
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
- H03M1/40—Analogue value compared with reference values sequentially only, e.g. successive approximation type recirculation type
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Alarm Systems (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH580875A CH589387A5 (en) | 1975-05-06 | 1975-05-06 | Quantisation noise in PCM systems reduction - applies to systems where coding is combined with compression and expansion |
CH580775A CH609507A5 (en) | 1975-05-06 | 1975-05-06 | Method for reducing the quantisation noise in pulse code modulation systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2310662A1 true FR2310662A1 (fr) | 1976-12-03 |
FR2310662B1 FR2310662B1 (fr) | 1981-06-19 |
Family
ID=25698401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7613404A Granted FR2310662A1 (fr) | 1975-05-06 | 1976-05-05 | Procede pour reduire le bruit de quantification dans des installations a modulation par impulsions codees |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT368329B (fr) |
DE (1) | DE2602797C3 (fr) |
DK (1) | DK145209C (fr) |
FI (1) | FI63646C (fr) |
FR (1) | FR2310662A1 (fr) |
GB (1) | GB1549396A (fr) |
IL (1) | IL49507A (fr) |
IT (1) | IT1059767B (fr) |
NL (1) | NL7600211A (fr) |
NO (1) | NO143081C (fr) |
SE (1) | SE412983B (fr) |
-
1976
- 1976-01-09 NL NL7600211A patent/NL7600211A/xx not_active Application Discontinuation
- 1976-01-26 DE DE2602797A patent/DE2602797C3/de not_active Expired
- 1976-02-04 NO NO760375A patent/NO143081C/no unknown
- 1976-02-06 FI FI760287A patent/FI63646C/fi not_active IP Right Cessation
- 1976-02-18 SE SE7601880A patent/SE412983B/xx unknown
- 1976-03-26 DK DK133876A patent/DK145209C/da not_active IP Right Cessation
- 1976-04-08 AT AT0259176A patent/AT368329B/de not_active IP Right Cessation
- 1976-04-27 GB GB16964/76A patent/GB1549396A/en not_active Expired
- 1976-04-30 IL IL49507A patent/IL49507A/xx unknown
- 1976-05-04 IT IT22936/76A patent/IT1059767B/it active
- 1976-05-05 FR FR7613404A patent/FR2310662A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2602797A1 (de) | 1976-11-18 |
DK145209B (da) | 1982-10-04 |
FI760287A (fr) | 1976-11-07 |
GB1549396A (en) | 1979-08-08 |
DE2602797B2 (de) | 1979-09-13 |
IT1059767B (it) | 1982-06-21 |
SE7601880L (sv) | 1976-11-07 |
DE2602797C3 (de) | 1980-06-04 |
FR2310662B1 (fr) | 1981-06-19 |
NL7600211A (nl) | 1976-11-09 |
IL49507A0 (en) | 1976-07-30 |
SE412983B (sv) | 1980-03-24 |
NO760375L (fr) | 1976-11-09 |
NO143081B (no) | 1980-09-01 |
AT368329B (de) | 1982-10-11 |
DK133876A (da) | 1976-11-07 |
FI63646C (fi) | 1983-07-11 |
IL49507A (en) | 1978-08-31 |
ATA259176A (de) | 1982-01-15 |
NO143081C (no) | 1980-12-10 |
DK145209C (da) | 1983-03-28 |
FI63646B (fi) | 1983-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2278022A1 (fr) | Mecanisme a engrenages planetaires et procede pour sa realisation par usinage | |
BE777671Q (fr) | Procede pour ameliorer la resistance a la corrosion de surfacesmetalliques | |
FR2314891A1 (fr) | Procede de regeneration de carbures metalliques lies | |
FR2313463A1 (fr) | Procede d'inhibition de la corrosion de metaux a l'aide de 1,2-ethane-diphosphonates | |
FR2306380A1 (fr) | Ecrou inverseur pour vis a filets croises | |
CA963867A (en) | Procede et installation de regeneration de sable pour fonderie | |
BE817695A (fr) | Procede de coulee de metal | |
BE816648A (fr) | Procede de decapage | |
FR2312299A1 (fr) | Procede de surveillance par diffraction de jets dans le mode de rayleigh | |
BE822871A (fr) | Procede de soudage | |
BE839548A (fr) | Procede pour souder le caoutchouc au metal | |
IT1067228B (it) | Dispositivo per la purificazione delle acque di rifiuto | |
AT328115B (de) | Vorrichtung zum stranggiessen von metallen | |
FR2310662A1 (fr) | Procede pour reduire le bruit de quantification dans des installations a modulation par impulsions codees | |
FR2301035A1 (fr) | Procede pour | |
ATA684175A (de) | Mehrschichtige platte zum abdecken des metallspiegels in einer kokille beim steigendguss | |
BE821184A (fr) | Procede de laminage de metaux non ferreux | |
FR2298612A1 (fr) | Procede perfectionne pour | |
BE837724A (fr) | Procede perfectionne pour realiser des polycondensations en solution | |
FR2289490A1 (fr) | Procede de purification du l-prolyl l-leucylglycinamide | |
FR2300676A1 (fr) | Procede pour | |
BE845376A (fr) | Procede de reduction de zearalenone | |
FR2305508A1 (fr) | Procede pour oxyder des surfaces de chrome | |
FR2302122A1 (fr) | Procede pour elimine | |
FR2302295A1 (fr) | Procede pour |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |