BE354197A - - Google Patents
Info
- Publication number
- BE354197A BE354197A BE354197DA BE354197A BE 354197 A BE354197 A BE 354197A BE 354197D A BE354197D A BE 354197DA BE 354197 A BE354197 A BE 354197A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US230219A US1762744A (en) | 1927-11-01 | 1927-11-01 | Retardation coil for composite sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE354197A true BE354197A (sr) |
Family
ID=22864369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE354197D BE354197A (sr) | 1927-11-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1762744A (sr) |
| BE (1) | BE354197A (sr) |
| FR (1) | FR660640A (sr) |
-
0
- BE BE354197D patent/BE354197A/xx unknown
-
1927
- 1927-11-01 US US230219A patent/US1762744A/en not_active Expired - Lifetime
-
1928
- 1928-09-19 FR FR660640D patent/FR660640A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR660640A (fr) | 1929-07-13 |
| US1762744A (en) | 1930-06-10 |