NL231776A - - Google Patents
Info
- Publication number
- NL231776A NL231776A NL231776DA NL231776A NL 231776 A NL231776 A NL 231776A NL 231776D A NL231776D A NL 231776DA NL 231776 A NL231776 A NL 231776A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES55387A DE1060446B (de) | 1957-09-30 | 1957-09-30 | Einrichtung zur Pruefung einer Leitung auf ihren momentanen Belegungszustand |
| DES56835A DE1084770B (de) | 1957-09-30 | 1958-02-05 | Einrichtung zur Pruefung einer Leitung auf ihren momentanen Belegungszustand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL231776A true NL231776A (https=) |
Family
ID=25995442
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL111529D NL111529C (https=) | 1957-09-30 | ||
| NL231776D NL231776A (https=) | 1957-09-30 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL111529D NL111529C (https=) | 1957-09-30 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH368210A (https=) |
| DE (2) | DE1060446B (https=) |
| GB (1) | GB879174A (https=) |
| NL (2) | NL231776A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL256763A (https=) * | 1959-10-16 | |||
| DE1227500B (de) * | 1961-02-04 | 1966-10-27 | Standard Elektrik Lorenz Ag | Verfahren und Schaltungsanordnung zur Feststellung des Betriebszustandes von Teilnehmeranschluessen in Fernmeldeanlagen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL196024A (https=) * | 1955-03-28 | |||
| NL104724C (https=) | 1956-04-13 |
-
0
- NL NL111529D patent/NL111529C/xx active
- NL NL231776D patent/NL231776A/xx unknown
-
1957
- 1957-09-30 DE DES55387A patent/DE1060446B/de active Pending
-
1958
- 1958-02-05 DE DES56835A patent/DE1084770B/de active Pending
- 1958-09-24 CH CH6429158A patent/CH368210A/de unknown
- 1958-09-30 GB GB3121658A patent/GB879174A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH368210A (de) | 1963-03-31 |
| DE1084770B (de) | 1960-07-07 |
| NL111529C (https=) | |
| GB879174A (en) | 1961-10-04 |
| DE1060446B (de) | 1959-07-02 |