NL45218C - - Google Patents
Info
- Publication number
- NL45218C NL45218C NL73938A NL73938A NL45218C NL 45218 C NL45218 C NL 45218C NL 73938 A NL73938 A NL 73938A NL 73938 A NL73938 A NL 73938A NL 45218 C NL45218 C NL 45218C
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1883134A GB440348A (en) | 1934-06-26 | 1934-06-26 | Improvements in or relating to call-recording arrangements in telephone or like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45218C true NL45218C (en:Method) | 1939-03-15 |
Family
ID=40672219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73938A NL45218C (en:Method) | 1934-06-26 | 1935-06-19 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR795587A (en:Method) |
| GB (1) | GB440348A (en:Method) |
| NL (1) | NL45218C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE887223C (de) * | 1937-03-10 | 1953-08-20 | Int Standard Electric Corp | Schaltungsanordnung zur Bestimmung der Gebuehr fuer Verbindungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen |
| DE767105C (de) * | 1938-04-29 | 1951-10-31 | Siemens & Halske A G | Schaltungsanordnung zur Anrechnung von Gebuehren in Fernmelde-anlagen mit Waehlerbetrieb, insbesondere Fernsprechanlagen |
-
1934
- 1934-06-26 GB GB1883134A patent/GB440348A/en not_active Expired
-
1935
- 1935-06-19 NL NL73938A patent/NL45218C/xx active
- 1935-06-22 FR FR795587D patent/FR795587A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR795587A (fr) | 1936-03-17 |
| GB440348A (en) | 1935-12-27 |