BE470549A - - Google Patents
Info
- Publication number
- BE470549A BE470549A BE470549DA BE470549A BE 470549 A BE470549 A BE 470549A BE 470549D A BE470549D A BE 470549DA BE 470549 A BE470549 A BE 470549A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US559403XA | 1941-12-20 | 1941-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470549A true BE470549A (https=) |
Family
ID=22001122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470549D BE470549A (https=) | 1941-12-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE470549A (https=) |
| GB (1) | GB559403A (https=) |
-
0
- BE BE470549D patent/BE470549A/xx unknown
-
1942
- 1942-11-09 GB GB15775/42A patent/GB559403A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB559403A (en) | 1944-02-17 |