NL230902A - - Google Patents
Info
- Publication number
- NL230902A NL230902A NL230902DA NL230902A NL 230902 A NL230902 A NL 230902A NL 230902D A NL230902D A NL 230902DA NL 230902 A NL230902 A NL 230902A
- 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
- H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1093424X | 1957-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL230902A true NL230902A (no) |
Family
ID=9616441
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL230902D NL230902A (no) | 1957-08-28 | ||
| NL105987D NL105987C (no) | 1957-08-28 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL105987D NL105987C (no) | 1957-08-28 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2967212A (no) |
| CH (1) | CH354810A (no) |
| DE (1) | DE1093424B (no) |
| FR (2) | FR1181748A (no) |
| GB (1) | GB889620A (no) |
| NL (2) | NL105987C (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE628335A (no) * | 1960-03-23 | 1900-01-01 | ||
| US3154642A (en) * | 1961-09-29 | 1964-10-27 | Bell Telephone Labor Inc | Highway party line system |
| BE625909A (no) * | 1961-12-12 | |||
| DE1221308B (de) * | 1964-06-30 | 1966-07-21 | Standard Elektrik Lorenz Ag | Verfahren und Schaltungsanordnung zur Abfrage codierter Gleichstromzeichen an Fernmeldeleitungen |
| NL6712959A (no) * | 1967-09-22 | 1969-03-25 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1088171A (fr) * | 1953-04-16 | 1955-03-03 | Labo Cent Telecommunicat | Procédés et arrangements pour l'identification d'un circuit appelant dans un système de commutation |
| BE546458A (no) * | 1955-03-28 | |||
| US2854519A (en) * | 1956-04-18 | 1958-09-30 | Gen Dynamics Corp | Telephone system including line identifying means |
| US2857470A (en) * | 1956-05-02 | 1958-10-21 | Gen Telephone Lab Inc | Transistor line identifier |
-
0
- NL NL230902D patent/NL230902A/xx unknown
- NL NL105987D patent/NL105987C/xx active
-
1957
- 1957-08-28 FR FR1181748D patent/FR1181748A/fr not_active Expired
- 1957-09-26 FR FR1183408D patent/FR1183408A/fr not_active Expired
-
1958
- 1958-07-29 CH CH354810D patent/CH354810A/fr unknown
- 1958-08-12 US US754608A patent/US2967212A/en not_active Expired - Lifetime
- 1958-08-15 DE DEC17355A patent/DE1093424B/de active Pending
- 1958-08-28 GB GB27668/58A patent/GB889620A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1181748A (fr) | 1959-06-18 |
| GB889620A (en) | 1962-02-21 |
| FR1183408A (fr) | 1959-07-07 |
| US2967212A (en) | 1961-01-03 |
| CH354810A (fr) | 1961-06-15 |
| NL105987C (no) | |
| DE1093424B (de) | 1960-11-24 |