BG21170A1 - - Google Patents
Info
- Publication number
- BG21170A1 BG21170A1 BG1352669A BG1352669A BG21170A1 BG 21170 A1 BG21170 A1 BG 21170A1 BG 1352669 A BG1352669 A BG 1352669A BG 1352669 A BG1352669 A BG 1352669A BG 21170 A1 BG21170 A1 BG 21170A1
- Authority
- BG
- Bulgaria
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)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14122169 | 1969-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG21170A1 true BG21170A1 (cs) | 1976-03-20 |
Family
ID=5481457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG1352669A BG21170A1 (cs) | 1969-07-14 | 1969-12-11 |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG21170A1 (cs) |
| CH (1) | CH499936A (cs) |
| CS (1) | CS149917B2 (cs) |
| DE (1) | DE1955855A1 (cs) |
| SU (1) | SU371742A3 (cs) |
-
1969
- 1969-11-06 DE DE19691955855 patent/DE1955855A1/de active Pending
- 1969-11-27 CH CH1767469A patent/CH499936A/de not_active IP Right Cessation
- 1969-12-11 BG BG1352669A patent/BG21170A1/xx unknown
-
1970
- 1970-01-23 SU SU701398789A patent/SU371742A3/ru active
- 1970-07-08 CS CS478570A patent/CS149917B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS149917B2 (cs) | 1973-08-23 |
| SU371742A3 (cs) | 1973-02-22 |
| DE1955855A1 (de) | 1971-01-28 |
| CH499936A (de) | 1970-11-30 |