BE426028A - - Google Patents
Info
- Publication number
- BE426028A BE426028A BE426028DA BE426028A BE 426028 A BE426028 A BE 426028A BE 426028D A BE426028D A BE 426028DA BE 426028 A BE426028 A BE 426028A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency
- currents
- signal
- circuit
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426028A true BE426028A (2) |
Family
ID=86904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426028D BE426028A (2) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE426028A (2) |
-
0
- BE BE426028D patent/BE426028A/fr unknown
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