ES388414A1 - Sistema receptor de senales de corriente continua. - Google Patents
Sistema receptor de senales de corriente continua.Info
- Publication number
- ES388414A1 ES388414A1 ES388414A ES388414A ES388414A1 ES 388414 A1 ES388414 A1 ES 388414A1 ES 388414 A ES388414 A ES 388414A ES 388414 A ES388414 A ES 388414A ES 388414 A1 ES388414 A1 ES 388414A1
- Authority
- ES
- Spain
- Prior art keywords
- transformer
- winding
- translation
- transformers
- legally binding
- 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
- 238000004804 winding Methods 0.000 abstract 6
- 238000001514 detection method Methods 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7005745A FR2079948A5 (enExample) | 1970-02-18 | 1970-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES388414A1 true ES388414A1 (es) | 1973-05-01 |
Family
ID=9050846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES388414A Expired ES388414A1 (es) | 1970-02-18 | 1971-02-18 | Sistema receptor de senales de corriente continua. |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2510971A (enExample) |
| ES (1) | ES388414A1 (enExample) |
| FR (1) | FR2079948A5 (enExample) |
-
1970
- 1970-02-18 FR FR7005745A patent/FR2079948A5/fr not_active Expired
-
1971
- 1971-02-05 AU AU25109/71A patent/AU2510971A/en not_active Expired
- 1971-02-18 ES ES388414A patent/ES388414A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU2510971A (en) | 1972-08-10 |
| FR2079948A5 (enExample) | 1971-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES370319A1 (es) | Un sistema de radiodifusion alambrico. | |
| ES263736A1 (es) | Sistema telefënico | |
| ES388414A1 (es) | Sistema receptor de senales de corriente continua. | |
| ES315316A1 (es) | Dispositivo de combinacion de enlace de impedancia y de señalizacion para un circuito de tramo de retorno de dos carriles. | |
| GB1254258A (en) | A circuit arrangement including a relaxation oscillator for alternately providing ringing-tone and supervisory signals to subscriber stations | |
| ES359747A2 (es) | Un circuito de identificacion de abonado que llama. | |
| US2060545A (en) | Stock quotation system | |
| US2428028A (en) | Electrical signaling system | |
| US2121883A (en) | Intercommunicating system and apparatus therefor | |
| GB1058540A (en) | Circuit arrangement for selecting a wanted line in a telecommunication exchange | |
| US2189269A (en) | Intercommunicating system and apparatus therefor | |
| GB1259358A (enExample) | ||
| SU101285A1 (ru) | Система телеуправлени , телеконтрол и телесигнализации | |
| ES443673A1 (es) | Una disposicion de interconexion telefonica. | |
| US3467784A (en) | Automatic lockout party line telephone system | |
| USRE13248E (en) | Edwin b | |
| ES292377A3 (es) | Equipo automatico para grabaciën de comunicaciones telefënicas | |
| ES471104A1 (es) | Aparato intercomunicador entre dos lineas telefonicas inde- pendientes | |
| GB1006920A (en) | Improvements in or relating to information transmission circuit arrangements | |
| JPS5432908A (en) | Main wire centralized ringing device for telephone | |
| GB952496A (en) | Improvements in or relating to automatic telephone systems | |
| GB1203542A (en) | Malfunction detector circuit for a solid state electric motor controlled vehicle | |
| GB372004A (en) | Improvements relating to telephone systems | |
| GB1024196A (en) | Circuit arrangement for pabxs with key-dialling and tie-lines to other pabxs | |
| GB758405A (en) | Improvements in or relating to electromagnetic relay circuits |