BE372338A - - Google Patents
Info
- Publication number
- BE372338A BE372338A BE372338DA BE372338A BE 372338 A BE372338 A BE 372338A BE 372338D A BE372338D A BE 372338DA BE 372338 A BE372338 A BE 372338A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE699697X | 1929-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE372338A true BE372338A (OSRAM) |
Family
ID=6608493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE372338D BE372338A (OSRAM) | 1929-07-30 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE372338A (OSRAM) |
| FR (1) | FR699697A (OSRAM) |
-
0
- BE BE372338D patent/BE372338A/xx unknown
-
1930
- 1930-07-29 FR FR699697D patent/FR699697A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR699697A (fr) | 1931-02-18 |