BE522749A - - Google Patents
Info
- Publication number
- BE522749A BE522749A BE522749DA BE522749A BE 522749 A BE522749 A BE 522749A BE 522749D A BE522749D A BE 522749DA BE 522749 A BE522749 A BE 522749A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US749171XA | 1952-09-11 | 1952-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522749A true BE522749A (en:Method) |
Family
ID=22122422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522749D BE522749A (en:Method) | 1952-09-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE522749A (en:Method) |
| GB (1) | GB749171A (en:Method) |
-
0
- BE BE522749D patent/BE522749A/xx unknown
-
1953
- 1953-09-07 GB GB24701/53A patent/GB749171A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB749171A (en) | 1956-05-16 |