NL49749C - - Google Patents
Info
- Publication number
- NL49749C NL49749C NL49749DA NL49749C NL 49749 C NL49749 C NL 49749C NL 49749D A NL49749D A NL 49749DA NL 49749 C NL49749 C NL 49749C
- 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
- H04M15/10—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)
- Computer Security & Cryptography (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH230986T | 1936-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49749C true NL49749C (sl) |
Family
ID=4456890
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49749D NL49749C (sl) | 1936-10-02 | ||
| NL48535D NL48535C (sl) | 1936-10-02 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL48535D NL48535C (sl) | 1936-10-02 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH230986A (sl) |
| NL (2) | NL48535C (sl) |
-
0
- NL NL49749D patent/NL49749C/xx active
- NL NL48535D patent/NL48535C/xx active
-
1936
- 1936-10-02 CH CH230986D patent/CH230986A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH230986A (de) | 1944-02-15 |
| NL48535C (sl) |