IL50541A - Switching arrangement for telephone switchboards - Google Patents
Switching arrangement for telephone switchboardsInfo
- Publication number
- IL50541A IL50541A IL50541A IL5054176A IL50541A IL 50541 A IL50541 A IL 50541A IL 50541 A IL50541 A IL 50541A IL 5054176 A IL5054176 A IL 5054176A IL 50541 A IL50541 A IL 50541A
- Authority
- IL
- Israel
- Prior art keywords
- switching arrangement
- telephone switchboards
- switchboards
- telephone
- switching
- Prior art date
Links
Classifications
-
- 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)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752542615 DE2542615A1 (de) | 1975-09-24 | 1975-09-24 | Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere fernsprechvermittlungsanlagen, zur erkennung des anrufzustandes auf teilnehmerleitungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL50541A0 IL50541A0 (en) | 1976-11-30 |
| IL50541A true IL50541A (en) | 1979-03-12 |
Family
ID=5957304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL50541A IL50541A (en) | 1975-09-24 | 1976-09-23 | Switching arrangement for telephone switchboards |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH607514A5 (xx) |
| DE (1) | DE2542615A1 (xx) |
| IL (1) | IL50541A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2812860C2 (de) * | 1978-03-23 | 1986-07-10 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit jeweils einer Mehrzahl von Schalteinrichtungen gemeinsam zugeordneten Abfrageeinrichtungen |
| DE2938946A1 (de) * | 1979-09-26 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur verhinderung der nachteiligen auswirkung von wechselspannungsanteilen bei der registrierung des schaltzustandes in einem insbesondere durch teilnehmeranschlussleitungen in fernsprechvermittlungsanlagen gebildeten schaltkreis |
| DE2939009A1 (de) * | 1979-09-26 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur feststellung des schaltzustandes einer teilnehmeranschlussleitung in fernsprechvermittlungsanlagen |
-
1975
- 1975-09-24 DE DE19752542615 patent/DE2542615A1/de not_active Withdrawn
-
1976
- 1976-08-30 CH CH1095976A patent/CH607514A5/xx not_active IP Right Cessation
- 1976-09-23 IL IL50541A patent/IL50541A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2542615A1 (de) | 1977-04-07 |
| IL50541A0 (en) | 1976-11-30 |
| CH607514A5 (xx) | 1978-12-29 |
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