BE440021A - - Google Patents
Info
- Publication number
- BE440021A BE440021A BE440021DA BE440021A BE 440021 A BE440021 A BE 440021A BE 440021D A BE440021D A BE 440021DA BE 440021 A BE440021 A BE 440021A
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB244473X | 1939-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440021A true BE440021A (fr) |
Family
ID=10211845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440021D BE440021A (fr) | 1939-06-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE440021A (fr) |
| CH (1) | CH244473A (fr) |
| FR (1) | FR867232A (fr) |
| GB (1) | GB531205A (fr) |
-
0
- BE BE440021D patent/BE440021A/xx unknown
-
1939
- 1939-06-30 GB GB19115/39A patent/GB531205A/en not_active Expired
-
1940
- 1940-06-29 CH CH244473D patent/CH244473A/de unknown
- 1940-09-19 FR FR867232D patent/FR867232A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR867232A (fr) | 1941-10-07 |
| CH244473A (de) | 1946-09-15 |
| GB531205A (en) | 1940-12-31 |