IT962189B - Perfezionamenti ai dispositivi emettitori ricevitori dei sistemi di telefonia a compressione sillabica - Google Patents
Perfezionamenti ai dispositivi emettitori ricevitori dei sistemi di telefonia a compressione sillabicaInfo
- Publication number
- IT962189B IT962189B IT5230672A IT5230672A IT962189B IT 962189 B IT962189 B IT 962189B IT 5230672 A IT5230672 A IT 5230672A IT 5230672 A IT5230672 A IT 5230672A IT 962189 B IT962189 B IT 962189B
- Authority
- IT
- Italy
- Prior art keywords
- receivers
- telephone systems
- syllable
- compression
- emitters
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7130799A FR2150235B1 (enExample) | 1971-08-25 | 1971-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT962189B true IT962189B (it) | 1973-12-20 |
Family
ID=9082195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT5230672A IT962189B (it) | 1971-08-25 | 1972-08-23 | Perfezionamenti ai dispositivi emettitori ricevitori dei sistemi di telefonia a compressione sillabica |
Country Status (8)
| Country | Link |
|---|---|
| AR (1) | AR197783A1 (enExample) |
| AU (1) | AU462002B2 (enExample) |
| BR (1) | BR7205820D0 (enExample) |
| CA (1) | CA974674A (enExample) |
| FR (1) | FR2150235B1 (enExample) |
| GB (1) | GB1381518A (enExample) |
| IT (1) | IT962189B (enExample) |
| NL (1) | NL7211661A (enExample) |
-
1971
- 1971-08-25 FR FR7130799A patent/FR2150235B1/fr not_active Expired
-
1972
- 1972-07-13 GB GB3289772A patent/GB1381518A/en not_active Expired
- 1972-07-21 AU AU44857/72A patent/AU462002B2/en not_active Expired
- 1972-08-02 CA CA148,593A patent/CA974674A/en not_active Expired
- 1972-08-22 AR AR24366972A patent/AR197783A1/es active
- 1972-08-23 IT IT5230672A patent/IT962189B/it active
- 1972-08-24 BR BR582072A patent/BR7205820D0/pt unknown
- 1972-08-25 NL NL7211661A patent/NL7211661A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU462002B2 (en) | 1975-06-12 |
| NL7211661A (enExample) | 1973-02-27 |
| GB1381518A (en) | 1975-01-22 |
| AR197783A1 (es) | 1974-05-10 |
| AU4485772A (en) | 1974-01-24 |
| CA974674A (en) | 1975-09-16 |
| FR2150235B1 (enExample) | 1974-10-11 |
| FR2150235A1 (enExample) | 1973-04-06 |
| BR7205820D0 (pt) | 1973-08-23 |
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