FR782873A - Improvements to telecommunications installations on power lines - Google Patents
Improvements to telecommunications installations on power linesInfo
- Publication number
- FR782873A FR782873A FR782873DA FR782873A FR 782873 A FR782873 A FR 782873A FR 782873D A FR782873D A FR 782873DA FR 782873 A FR782873 A FR 782873A
- Authority
- FR
- France
- Prior art keywords
- power lines
- telecommunications installations
- installations
- telecommunications
- lines
- Prior art date
- 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
- 238000009434 installation Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
- H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5437—Wired telephone
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR46551T | 1935-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR782873A true FR782873A (en) | 1935-06-14 |
Family
ID=8682158
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR782873D Expired FR782873A (en) | 1935-04-05 | 1934-03-06 | Improvements to telecommunications installations on power lines |
| FR46227D Expired FR46227E (en) | 1935-04-05 | 1934-12-27 | Improvements to telecommunications installations on power lines |
| FR46389D Expired FR46389E (en) | 1935-04-05 | 1935-02-11 | Improvements to telecommunications installations on power lines |
| FR46551D Expired FR46551E (en) | 1935-04-05 | 1935-04-05 | Improvements to telecommunications installations on power lines |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR46227D Expired FR46227E (en) | 1935-04-05 | 1934-12-27 | Improvements to telecommunications installations on power lines |
| FR46389D Expired FR46389E (en) | 1935-04-05 | 1935-02-11 | Improvements to telecommunications installations on power lines |
| FR46551D Expired FR46551E (en) | 1935-04-05 | 1935-04-05 | Improvements to telecommunications installations on power lines |
Country Status (1)
| Country | Link |
|---|---|
| FR (4) | FR782873A (en) |
-
1934
- 1934-03-06 FR FR782873D patent/FR782873A/en not_active Expired
- 1934-12-27 FR FR46227D patent/FR46227E/en not_active Expired
-
1935
- 1935-02-11 FR FR46389D patent/FR46389E/en not_active Expired
- 1935-04-05 FR FR46551D patent/FR46551E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR46389E (en) | 1936-06-02 |
| FR46227E (en) | 1936-04-02 |
| FR46551E (en) | 1936-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR797921A (en) | Improvements made to concentric cables | |
| FR794429A (en) | Improvements to electrical conductors | |
| FR786027A (en) | Improvements to powerful speaker installations | |
| FR46227E (en) | Improvements to telecommunications installations on power lines | |
| FR795277A (en) | Improvements to electrical conductors | |
| FR791976A (en) | Improvements to ship telephones | |
| FR45475E (en) | Improvements to reflectors | |
| FR47617E (en) | Improvements to concentric conductors | |
| FR778859A (en) | Improvements to reflectors | |
| FR46217E (en) | Improvements to magnetos | |
| FR799079A (en) | Improvements to electrical installations | |
| FR781203A (en) | Improvements to cable transmissions | |
| FR795713A (en) | Improvements made to electric cables | |
| FR807676A (en) | Improvements to magnetos | |
| FR814763A (en) | Improvements to concentric conductors | |
| FR748606A (en) | Improvements to telephone installations | |
| FR774177A (en) | Improvements to telephone installations | |
| FR782308A (en) | Improvements to cyclecars | |
| FR794881A (en) | Improvements to coquettes de moulinage | |
| FR770442A (en) | Improvements to telecommunication cables | |
| FR777808A (en) | Improvements to pipes | |
| FR783368A (en) | Improvements to electrical pulse communication installations | |
| FR789093A (en) | Improvements to magnetos | |
| FR795714A (en) | Improvements to alternators | |
| FR780267A (en) | Improvements to telephone devices |