NL57437C - - Google Patents
Info
- Publication number
- NL57437C NL57437C NL57437DA NL57437C NL 57437 C NL57437 C NL 57437C NL 57437D A NL57437D A NL 57437DA NL 57437 C NL57437 C NL 57437C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
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- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0082857 | 1937-05-07 | ||
| DEA0082856 | 1937-05-07 | ||
| DEA0082859 | 1937-05-07 | ||
| DEA0084261 | 1937-09-21 | ||
| DE1938A0088052 DE701245C (en) | 1937-05-07 | 1938-09-11 | Recording device for type printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57437C true NL57437C (en) |
Family
ID=27511897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57437D NL57437C (en) | 1937-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL57437C (en) |
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0
- NL NL57437D patent/NL57437C/xx active