GB1549396A - Pulse code modulation systems - Google Patents
Pulse code modulation systemsInfo
- Publication number
- GB1549396A GB1549396A GB16964/76A GB1696476A GB1549396A GB 1549396 A GB1549396 A GB 1549396A GB 16964/76 A GB16964/76 A GB 16964/76A GB 1696476 A GB1696476 A GB 1696476A GB 1549396 A GB1549396 A GB 1549396A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulse code
- code modulation
- modulation systems
- systems
- pulse
- 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.)
- Expired
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)
- Noise Elimination (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH580775A CH609507A5 (en) | 1975-05-06 | 1975-05-06 | Method for reducing the quantisation noise in pulse code modulation systems |
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1549396A true GB1549396A (en) | 1979-08-08 |
Family
ID=25698401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16964/76A Expired GB1549396A (en) | 1975-05-06 | 1976-04-27 | Pulse code modulation systems |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT368329B (sv) |
DE (1) | DE2602797C3 (sv) |
DK (1) | DK145209C (sv) |
FI (1) | FI63646C (sv) |
FR (1) | FR2310662A1 (sv) |
GB (1) | GB1549396A (sv) |
IL (1) | IL49507A (sv) |
IT (1) | IT1059767B (sv) |
NL (1) | NL7600211A (sv) |
NO (1) | NO143081C (sv) |
SE (1) | SE412983B (sv) |
-
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/sv 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 |
---|---|
NL7600211A (nl) | 1976-11-09 |
IL49507A0 (en) | 1976-07-30 |
DE2602797C3 (de) | 1980-06-04 |
NO760375L (sv) | 1976-11-09 |
SE7601880L (sv) | 1976-11-07 |
DK133876A (da) | 1976-11-07 |
AT368329B (de) | 1982-10-11 |
DK145209C (da) | 1983-03-28 |
FR2310662A1 (fr) | 1976-12-03 |
FI63646B (fi) | 1983-03-31 |
FR2310662B1 (sv) | 1981-06-19 |
ATA259176A (de) | 1982-01-15 |
IL49507A (en) | 1978-08-31 |
IT1059767B (it) | 1982-06-21 |
DK145209B (da) | 1982-10-04 |
DE2602797A1 (de) | 1976-11-18 |
NO143081C (no) | 1980-12-10 |
FI760287A (sv) | 1976-11-07 |
SE412983B (sv) | 1980-03-24 |
FI63646C (fi) | 1983-07-11 |
NO143081B (no) | 1980-09-01 |
DE2602797B2 (de) | 1979-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |