BE426044A - - Google Patents
Info
- Publication number
- BE426044A BE426044A BE426044DA BE426044A BE 426044 A BE426044 A BE 426044A BE 426044D A BE426044D A BE 426044DA BE 426044 A BE426044 A BE 426044A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1935A0077756 DE696453C (en) | 1935-11-25 | 1935-11-25 | Device for high-frequency traffic with dial-up calls, in particular over power lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426044A true BE426044A (en) | 1938-02-28 |
Family
ID=6734355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426044D BE426044A (en) | 1935-11-25 | 1938-01-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE426044A (en) |
| DE (2) | DE696453C (en) |
| FR (2) | FR813826A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE956776C (en) * | 1942-02-03 | 1957-01-24 | Telefunken Gmbh | Wireless intercom |
| DE3407308A1 (en) * | 1984-02-24 | 1985-09-12 | Siemens AG, 1000 Berlin und 8000 München | Dedicated-line-free communications system (small PBX system with an adapter connection to the power supply mains) |
| DE3407310A1 (en) * | 1984-02-24 | 1985-09-12 | Siemens AG, 1000 Berlin und 8000 München | Dedicated-line-free communications system (small PBX system with dial and call signalling via the power supply mains) |
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1935
- 1935-11-25 DE DE1935A0077756 patent/DE696453C/en not_active Expired
-
1936
- 1936-11-21 FR FR813826D patent/FR813826A/en not_active Expired
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1937
- 1937-01-29 DE DEA81808D patent/DE705321C/en not_active Expired
-
1938
- 1938-01-12 FR FR49123D patent/FR49123E/en not_active Expired
- 1938-01-28 BE BE426044D patent/BE426044A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR813826A (en) | 1937-06-09 |
| DE705321C (en) | 1941-04-26 |
| FR49123E (en) | 1938-11-07 |
| DE696453C (en) | 1940-09-21 |