NL28230C - - Google Patents
Info
- Publication number
- NL28230C NL28230C NL28230DA NL28230C NL 28230 C NL28230 C NL 28230C NL 28230D A NL28230D A NL 28230DA NL 28230 C NL28230 C NL 28230C
- 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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
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 |
|---|---|---|---|
| DET34780D DE603791C (en) | 1928-03-09 | 1928-03-09 | Circuit arrangement for counting conversations in telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28230C true NL28230C (en) |
Family
ID=7558739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL28230D NL28230C (en) | 1928-03-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE349288A (en) |
| DE (1) | DE603791C (en) |
| NL (1) | NL28230C (en) |
-
0
- NL NL28230D patent/NL28230C/xx active
- BE BE349288D patent/BE349288A/xx unknown
-
1928
- 1928-03-09 DE DET34780D patent/DE603791C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE349288A (en) | |
| DE603791C (en) | 1934-10-11 |