FR615211A - Improvements to electrical wave signaling systems - Google Patents
Improvements to electrical wave signaling systemsInfo
- Publication number
- FR615211A FR615211A FR615211DA FR615211A FR 615211 A FR615211 A FR 615211A FR 615211D A FR615211D A FR 615211DA FR 615211 A FR615211 A FR 615211A
- Authority
- FR
- France
- Prior art keywords
- signaling systems
- electrical wave
- wave signaling
- electrical
- systems
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR615211T | 1926-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR615211A true FR615211A (en) | 1926-12-31 |
Family
ID=8980743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR615211D Expired FR615211A (en) | 1926-04-27 | 1926-04-27 | Improvements to electrical wave signaling systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR615211A (en) |
-
1926
- 1926-04-27 FR FR615211D patent/FR615211A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR699589A (en) | Improvements to electrical signaling systems | |
FR733626A (en) | Improvements to signaling systems using modulated waves | |
FR615107A (en) | Carrier wave signaling systems | |
FR689304A (en) | Improvements to electrical signaling systems | |
FR714383A (en) | Improvements to electrical signaling systems | |
FR711510A (en) | Improvements to electrical signaling systems | |
FR615211A (en) | Improvements to electrical wave signaling systems | |
FR615760A (en) | Improvements to electrical signaling systems | |
FR700561A (en) | Improvements to wave signaling systems | |
FR655685A (en) | Improvements to electrical signaling systems | |
FR591134A (en) | Improvements to electrical carrier wave signaling systems | |
FR679925A (en) | Improvements to wave signaling systems | |
FR700864A (en) | Improvements in electric wave signaling systems | |
FR635192A (en) | Improvements to electrical signaling systems | |
FR654328A (en) | Improvements to electrical signaling systems using high frequency waves | |
FR617699A (en) | Improvements to modulated carrier wave signaling systems | |
FR718275A (en) | Improvements to wave signaling systems | |
FR715508A (en) | Improvements to wave signaling systems | |
FR728540A (en) | Improvements to wave signaling systems | |
FR609016A (en) | Improvements to power line signaling systems | |
FR725607A (en) | Improvements to electrical signaling systems | |
FR606311A (en) | Improvements to signaling systems | |
FR657642A (en) | Improvements in electric wave signaling systems | |
FR34032E (en) | Improvements to modulated carrier wave signaling systems | |
FR640678A (en) | Improvements to electrical signaling systems |