NL21670C - - Google Patents
Info
- Publication number
- NL21670C NL21670C NL21670DA NL21670C NL 21670 C NL21670 C NL 21670C NL 21670D A NL21670D A NL 21670DA NL 21670 C NL21670 C NL 21670C
- 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
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Percussion Or Vibration Massage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE489579X | 1926-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21670C true NL21670C (https=) |
Family
ID=20310592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21670D NL21670C (https=) | 1926-02-27 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE489579C (https=) |
| NL (1) | NL21670C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE889173C (de) * | 1949-01-19 | 1953-09-07 | Siemens Ag | Schaltungsanordnung fuer Gebuehrenanzeiger an Teilnehmerstellen in Fernmeldeanlagen, insbesondere Fernsprechanlagen |
-
0
- NL NL21670D patent/NL21670C/xx active
-
1927
- 1927-01-15 DE DEO16230D patent/DE489579C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE489579C (de) | 1930-01-24 |