NL50473C - - Google Patents
Info
- Publication number
- NL50473C NL50473C NL50473DA NL50473C NL 50473 C NL50473 C NL 50473C NL 50473D A NL50473D A NL 50473DA NL 50473 C NL50473 C NL 50473C
- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH439015X | 1934-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50473C true NL50473C (de) |
Family
ID=4515137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50473D NL50473C (de) | 1934-04-07 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH171532A (de) |
| FR (1) | FR788463A (de) |
| GB (1) | GB439015A (de) |
| NL (1) | NL50473C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749559C (de) * | 1935-03-20 | 1944-11-25 | Zusatzeinrichtung fuer Selbstanschlussfernsprechstellen | |
| DE887223C (de) * | 1937-03-10 | 1953-08-20 | Int Standard Electric Corp | Schaltungsanordnung zur Bestimmung der Gebuehr fuer Verbindungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen |
| BE430525A (de) * | 1938-04-01 | |||
| DE887962C (de) * | 1941-01-18 | 1953-08-27 | Schallband Syndikat Ag | Kontrollverfahren fuer den drahtlosen Gegensprechverkehr im Flugsicherungsdienst und Anlage zu seiner Ausuebung |
-
0
- NL NL50473D patent/NL50473C/xx active
-
1934
- 1934-04-07 CH CH171532D patent/CH171532A/de unknown
-
1935
- 1935-04-05 FR FR788463D patent/FR788463A/fr not_active Expired
- 1935-04-08 GB GB10834/35A patent/GB439015A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH171532A (de) | 1934-08-31 |
| FR788463A (fr) | 1935-10-10 |
| GB439015A (en) | 1935-11-27 |