FR852821A - - Google Patents
Info
- Publication number
- FR852821A FR852821A FR852821DA FR852821A FR 852821 A FR852821 A FR 852821A FR 852821D A FR852821D A FR 852821DA FR 852821 A FR852821 A FR 852821A
- Authority
- FR
- France
- 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
- 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 |
|---|---|---|---|
| US902016XA | 1938-04-15 | 1938-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR852821A true FR852821A (cs) | 1940-03-06 |
Family
ID=22221751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR852821D Expired FR852821A (cs) | 1938-04-15 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE433814A (cs) |
| DE (1) | DE902016C (cs) |
| FR (1) | FR852821A (cs) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB407405A (en) * | 1932-09-22 | 1934-03-22 | Standard Telephones Cables Ltd | Improvements in electro-mechanical devices such as instruments for recording, reproducing, or transmitting sound |
| US1978578A (en) * | 1933-01-28 | 1934-10-30 | Rca Corp | Amplifier |
| GB472256A (en) * | 1936-03-18 | 1937-09-20 | Standard Telephones Cables Ltd | Improvements in and relating to thermionic amplifiers |
| SE93267C1 (cs) * | 1936-12-03 | 1938-11-11 |
-
0
- FR FR852821D patent/FR852821A/fr not_active Expired
- BE BE433814D patent/BE433814A/xx unknown
-
1939
- 1939-04-16 DE DEW3448D patent/DE902016C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE433814A (cs) | |
| DE902016C (de) | 1954-01-18 |