FR740997A - - Google Patents
Info
- Publication number
- FR740997A FR740997A FR740997DA FR740997A FR 740997 A FR740997 A FR 740997A FR 740997D A FR740997D A FR 740997DA FR 740997 A FR740997 A FR 740997A
- 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
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Fuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL392387X | 1931-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR740997A true FR740997A (zh) | 1933-02-03 |
Family
ID=19785808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR740997D Expired FR740997A (zh) | 1931-09-05 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR740997A (zh) |
| GB (1) | GB392387A (zh) |
| NL (1) | NL58355B (zh) |
-
0
- NL NL58355D patent/NL58355B/xx unknown
- FR FR740997D patent/FR740997A/fr not_active Expired
-
1932
- 1932-07-29 GB GB21451/32A patent/GB392387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB392387A (en) | 1933-05-18 |
| NL58355B (zh) |