NL277910A - - Google Patents
Info
- Publication number
- NL277910A NL277910A NL277910DA NL277910A NL 277910 A NL277910 A NL 277910A NL 277910D A NL277910D A NL 277910DA NL 277910 A NL277910 A NL 277910A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR860435A FR1295956A (fr) | 1961-05-02 | 1961-05-02 | Arrangements pour l'élimination du bruit dans les systèmes de transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL277910A true NL277910A (ja) |
Family
ID=8754238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277910D NL277910A (ja) | 1961-05-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3231674A (ja) |
| BE (1) | BE617123A (ja) |
| CH (1) | CH407240A (ja) |
| FR (1) | FR1295956A (ja) |
| NL (1) | NL277910A (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027418A (ja) * | 1973-03-21 | 1975-03-20 | ||
| US3937897A (en) * | 1974-07-25 | 1976-02-10 | North Electric Company | Signal coding for telephone communication system |
| DE2742783C2 (de) * | 1977-09-23 | 1982-06-09 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Reduzierung des Nebensprechens in PCM-Systemen |
| NL7807171A (nl) * | 1978-06-30 | 1980-01-03 | Philips Nv | Ontvanger voor digitale signalen in lijncode. |
| DE3364531D1 (en) * | 1982-10-15 | 1986-08-21 | British Telecomm | Noise control circuit |
| JPH0752845B2 (ja) * | 1985-10-04 | 1995-06-05 | 日本電気株式会社 | 差分符号化回路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2801281A (en) * | 1946-02-21 | 1957-07-30 | Bell Telephone Labor Inc | Communication system employing pulse code modulation |
| US3071649A (en) * | 1946-06-19 | 1963-01-01 | Bell Telephone Labor Inc | Cipher system for pulse code modulation communication system |
| US3026375A (en) * | 1958-05-09 | 1962-03-20 | Bell Telephone Labor Inc | Transmission of quantized signals |
-
0
- NL NL277910D patent/NL277910A/xx unknown
-
1961
- 1961-05-02 FR FR860435A patent/FR1295956A/fr not_active Expired
-
1962
- 1962-04-25 US US190012A patent/US3231674A/en not_active Expired - Lifetime
- 1962-04-30 CH CH514962A patent/CH407240A/de unknown
- 1962-05-02 BE BE617123A patent/BE617123A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3231674A (en) | 1966-01-25 |
| FR1295956A (fr) | 1962-06-15 |
| BE617123A (fr) | 1962-11-05 |
| CH407240A (de) | 1966-02-15 |