BE430480A - - Google Patents
Info
- Publication number
- BE430480A BE430480A BE430480DA BE430480A BE 430480 A BE430480 A BE 430480A BE 430480D A BE430480D A BE 430480DA BE 430480 A BE430480 A BE 430480A
- 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)
- Rectifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB224517X | 1937-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE430480A true BE430480A (en) |
Family
ID=10179564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE430480D BE430480A (en) | 1937-10-05 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE430480A (en) |
| CH (1) | CH224517A (en) |
| FR (1) | FR844298A (en) |
| GB (1) | GB503418A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE441868A (en) * | 1939-10-06 | |||
| NL193204A (en) * | 1954-12-14 | |||
| DE1156113B (en) * | 1958-02-28 | 1963-10-24 | Siemens Ag | Circuit arrangement for telephone systems with a voice-controlled feedback lock |
| DE1178471B (en) * | 1961-10-06 | 1964-09-24 | Siemens Ag | Circuit arrangement for limiting the amplitude of small alternating voltages |
-
0
- BE BE430480D patent/BE430480A/xx unknown
-
1937
- 1937-10-05 GB GB26962/37A patent/GB503418A/en not_active Expired
-
1938
- 1938-10-04 FR FR844298D patent/FR844298A/en not_active Expired
- 1938-10-04 CH CH224517D patent/CH224517A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR844298A (en) | 1939-07-21 |
| CH224517A (en) | 1942-11-30 |
| GB503418A (en) | 1939-04-05 |