NL56759C - - Google Patents
Info
- Publication number
- NL56759C NL56759C NL56759DA NL56759C NL 56759 C NL56759 C NL 56759C NL 56759D A NL56759D A NL 56759DA NL 56759 C NL56759 C NL 56759C
- Authority
- NL
- Netherlands
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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2670438A GB519041A (en) | 1938-09-13 | 1938-09-13 | Improvements in or relating to automatic ticketing equipment for telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56759C true NL56759C (enrdf_load_stackoverflow) |
Family
ID=10247910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56759D NL56759C (enrdf_load_stackoverflow) | 1938-09-13 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR860229A (enrdf_load_stackoverflow) |
| GB (1) | GB519041A (enrdf_load_stackoverflow) |
| NL (1) | NL56759C (enrdf_load_stackoverflow) |
-
0
- NL NL56759D patent/NL56759C/xx active
-
1938
- 1938-09-13 GB GB2670438A patent/GB519041A/en not_active Expired
-
1939
- 1939-09-13 FR FR860229D patent/FR860229A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR860229A (fr) | 1941-01-09 |
| GB519041A (en) | 1940-03-14 |