NL56019C - - Google Patents
Info
- Publication number
- NL56019C NL56019C NL56019DA NL56019C NL 56019 C NL56019 C NL 56019C NL 56019D A NL56019D A NL 56019DA NL 56019 C NL56019 C NL 56019C
- 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
-
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
- H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Selective Calling Equipment (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29638/36A GB484568A (en) | 1936-10-31 | 1936-10-31 | Improvements in or relating to telephone or like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56019C true NL56019C (fi) |
Family
ID=10294714
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56019D NL56019C (fi) | 1936-10-31 | ||
| NL56018D NL56018C (fi) | 1936-10-31 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56018D NL56018C (fi) | 1936-10-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2201651A (fi) |
| DE (2) | DE733911C (fi) |
| FR (1) | FR828570A (fi) |
| GB (3) | GB484568A (fi) |
| NL (2) | NL56018C (fi) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2597007A (en) * | 1942-03-31 | 1952-05-20 | Int Standard Electric Corp | Common control circuit for operating switches rearward to calling line |
| BE496507A (fi) * | 1949-07-08 | |||
| US2904635A (en) * | 1950-03-02 | 1959-09-15 | Siemens Ag | Allocation of outgoing lines in automatic telecommunication systems |
| US2908758A (en) * | 1952-09-11 | 1959-10-13 | Gen Telephone Lab Inc | Toll ticketing telephone systems |
| DE1035703B (de) * | 1957-04-26 | 1958-08-07 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Waehlerbetrieb, bei welchen Schaltglieder gemeinsam mehreren Verbindungswegen oder Verbindungseinrichtungen zugeordnet sind |
| CN105545881A (zh) * | 2015-12-04 | 2016-05-04 | 江西飞尚科技有限公司 | 一种基于智能液压控制系统 |
| CN105545879A (zh) * | 2015-12-04 | 2016-05-04 | 江西飞尚科技有限公司 | 一种基于单片机实现电磁换向阀控制器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH134796A (de) * | 1927-12-20 | 1929-08-15 | Siemens Ag | Schaltungsanordnung für Nachrichten-Übertragung über Fernsprechleitungen. |
| DE635669C (de) * | 1932-11-01 | 1936-09-28 | Friedrich Merk Telefonbau Akt | Einrichtung zur Feststellung der Nummer eines anrufenden Teilnehmers in Selbstanschlussverbindungssystemen |
-
0
- NL NL56019D patent/NL56019C/xx active
- NL NL56018D patent/NL56018C/xx active
-
1936
- 1936-10-31 GB GB29638/36A patent/GB484568A/en not_active Expired
- 1936-10-31 GB GB23537/37A patent/GB484649A/en not_active Expired
- 1936-10-31 GB GB7650/38A patent/GB484658A/en not_active Expired
-
1937
- 1937-10-29 DE DEI59441D patent/DE733911C/de not_active Expired
- 1937-10-29 DE DEI3365D patent/DE887525C/de not_active Expired
- 1937-10-30 FR FR828570D patent/FR828570A/fr not_active Expired
-
1938
- 1938-04-07 US US200656A patent/US2201651A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE887525C (de) | 1953-08-24 |
| DE733911C (de) | 1943-04-14 |
| NL56018C (fi) | |
| GB484658A (en) | 1938-05-02 |
| GB484649A (en) | 1938-05-02 |
| GB484568A (en) | 1938-05-02 |
| FR828570A (fr) | 1938-05-20 |
| US2201651A (en) | 1940-05-21 |