BE398557A - - Google Patents
Info
- Publication number
- BE398557A BE398557A BE398557DA BE398557A BE 398557 A BE398557 A BE 398557A BE 398557D A BE398557D A BE 398557DA BE 398557 A BE398557 A BE 398557A
- 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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE407884X | 1932-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE398557A true BE398557A (fr) |
Family
ID=6422235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE398557D BE398557A (fr) | 1932-09-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2041562A (fr) |
| BE (1) | BE398557A (fr) |
| FR (1) | FR761950A (fr) |
| GB (1) | GB407884A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518880A (en) * | 1967-07-13 | 1970-07-07 | Badger Meter Mfg Co | Metering apparatus |
-
0
- BE BE398557D patent/BE398557A/xx unknown
-
1933
- 1933-09-09 FR FR761950D patent/FR761950A/fr not_active Expired
- 1933-09-11 GB GB25171/33A patent/GB407884A/en not_active Expired
- 1933-09-11 US US689014A patent/US2041562A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2041562A (en) | 1936-05-19 |
| GB407884A (en) | 1934-03-29 |
| FR761950A (fr) | 1934-03-30 |