IT956793B - Sistema e disposizione circuitale per esplorare segnali a corrente continua o segnali a corrente alternata a bassa frequenza - Google Patents
Sistema e disposizione circuitale per esplorare segnali a corrente continua o segnali a corrente alternata a bassa frequenzaInfo
- Publication number
- IT956793B IT956793B IT2610272A IT2610272A IT956793B IT 956793 B IT956793 B IT 956793B IT 2610272 A IT2610272 A IT 2610272A IT 2610272 A IT2610272 A IT 2610272A IT 956793 B IT956793 B IT 956793B
- Authority
- IT
- Italy
- Prior art keywords
- signals
- direct current
- low frequency
- circuit arrangement
- explore
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712132617 DE2132617C3 (de) | 1971-06-30 | Schaltungsanordnung zur Abfrage von Gleichstrom- oder niederfrequenten Wechselstromsignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT956793B true IT956793B (it) | 1973-10-10 |
Family
ID=5812294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2610272A IT956793B (it) | 1971-06-30 | 1972-06-23 | Sistema e disposizione circuitale per esplorare segnali a corrente continua o segnali a corrente alternata a bassa frequenza |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT322412B (cg-RX-API-DMAC7.html) |
| FR (1) | FR2143632B1 (cg-RX-API-DMAC7.html) |
| IT (1) | IT956793B (cg-RX-API-DMAC7.html) |
-
1971
- 1971-12-31 FR FR7147835A patent/FR2143632B1/fr not_active Expired
-
1972
- 1972-05-18 AT AT435272A patent/AT322412B/de not_active IP Right Cessation
- 1972-06-23 IT IT2610272A patent/IT956793B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143632A1 (cg-RX-API-DMAC7.html) | 1973-02-09 |
| FR2143632B1 (cg-RX-API-DMAC7.html) | 1977-01-28 |
| AT322412B (de) | 1975-05-26 |
| DE2132617A1 (de) | 1973-01-18 |
| DE2132617B2 (de) | 1977-01-13 |
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