BE442032A - - Google Patents
Info
- Publication number
- BE442032A BE442032A BE442032DA BE442032A BE 442032 A BE442032 A BE 442032A BE 442032D A BE442032D A BE 442032DA BE 442032 A BE442032 A BE 442032A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US299818A US2267286A (en) | 1939-10-17 | 1939-10-17 | Negative feedback amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442032A true BE442032A (pt) |
Family
ID=23156425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442032D BE442032A (pt) | 1939-10-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2267286A (pt) |
| BE (1) | BE442032A (pt) |
| FR (1) | FR870095A (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2500424A (en) * | 1947-12-03 | 1950-03-14 | Bell Telephone Labor Inc | Negative feedback amplifier |
| US2644044A (en) * | 1949-05-28 | 1953-06-30 | Automatic Elect Lab | Voice current repeater |
| US2580097A (en) * | 1949-12-17 | 1951-12-25 | Bell Telephone Labor Inc | System for testing cable repeater |
| US2935565A (en) * | 1954-02-26 | 1960-05-03 | Radio Ind Corp | Sonic signalling and ranging apparatus for marine use |
-
0
- BE BE442032D patent/BE442032A/xx unknown
-
1939
- 1939-10-17 US US299818A patent/US2267286A/en not_active Expired - Lifetime
-
1941
- 1941-01-31 FR FR870095D patent/FR870095A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2267286A (en) | 1941-12-23 |
| FR870095A (fr) | 1942-03-02 |