NL94797C - - Google Patents
Info
- Publication number
- NL94797C NL94797C NL94797DA NL94797C NL 94797 C NL94797 C NL 94797C NL 94797D A NL94797D A NL 94797DA NL 94797 C NL94797 C NL 94797C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
-
- 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)
- Computer Security & Cryptography (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1082421X | 1953-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL94797C true NL94797C (nl) |
Family
ID=4556464
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94797D NL94797C (nl) | 1953-08-14 | ||
| NLAANVRAGE7305147,B NL189883B (nl) | 1953-08-14 | Boekhoudmachine. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7305147,B NL189883B (nl) | 1953-08-14 | Boekhoudmachine. |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH317317A (nl) |
| DE (1) | DE951156C (nl) |
| FR (1) | FR1082421A (nl) |
| NL (2) | NL189883B (nl) |
-
0
- NL NL94797D patent/NL94797C/xx active
- NL NLAANVRAGE7305147,B patent/NL189883B/nl unknown
-
1953
- 1953-08-14 CH CH317317D patent/CH317317A/fr unknown
- 1953-08-26 FR FR1082421D patent/FR1082421A/fr not_active Expired
-
1954
- 1954-08-14 DE DES40426A patent/DE951156C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE951156C (de) | 1956-10-25 |
| CH317317A (fr) | 1956-11-15 |
| NL189883B (nl) | |
| FR1082421A (fr) | 1954-12-29 |