ES441228A1 - Un circuito de exploracion para sistemas de conmutacion. - Google Patents
Un circuito de exploracion para sistemas de conmutacion.Info
- Publication number
- ES441228A1 ES441228A1 ES441228A ES441228A ES441228A1 ES 441228 A1 ES441228 A1 ES 441228A1 ES 441228 A ES441228 A ES 441228A ES 441228 A ES441228 A ES 441228A ES 441228 A1 ES441228 A1 ES 441228A1
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- output
- interrogation
- read
- tested
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 Transmission In General (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7432118A FR2286573A1 (fr) | 1974-09-24 | 1974-09-24 | Circuit d'exploration pour systeme de commutation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES441228A1 true ES441228A1 (es) | 1977-03-16 |
Family
ID=9143363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES441228A Expired ES441228A1 (es) | 1974-09-24 | 1975-09-24 | Un circuito de exploracion para sistemas de conmutacion. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE833739A (es) |
BR (1) | BR7505686A (es) |
ES (1) | ES441228A1 (es) |
FR (1) | FR2286573A1 (es) |
GB (1) | GB1513465A (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2938981A1 (de) * | 1979-09-26 | 1981-04-30 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur registrierung des schaltzustandes in einem insbesondere durch teilnehmeranschlussleitungen von fernsprechvermittlungsanlagen gebildeten schaltkreis |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE754235A (fr) * | 1969-08-05 | 1970-12-31 | Western Electric Co | Circuit de supervision pour lignes telephoniques |
FR2158619A5 (es) * | 1971-10-26 | 1973-06-15 | Constr Telephoniques |
-
1974
- 1974-09-24 FR FR7432118A patent/FR2286573A1/fr active Granted
-
1975
- 1975-09-04 BR BR7505686A patent/BR7505686A/pt unknown
- 1975-09-18 GB GB3836175A patent/GB1513465A/en not_active Expired
- 1975-09-24 BE BE2054577A patent/BE833739A/xx unknown
- 1975-09-24 ES ES441228A patent/ES441228A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2286573B1 (es) | 1979-02-16 |
BR7505686A (pt) | 1978-01-10 |
FR2286573A1 (fr) | 1976-04-23 |
BE833739A (fr) | 1976-03-24 |
GB1513465A (en) | 1978-06-07 |
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