ES371615A1 - Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca. - Google Patents
Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca.Info
- Publication number
- ES371615A1 ES371615A1 ES371615A ES371615A ES371615A1 ES 371615 A1 ES371615 A1 ES 371615A1 ES 371615 A ES371615 A ES 371615A ES 371615 A ES371615 A ES 371615A ES 371615 A1 ES371615 A1 ES 371615A1
- Authority
- ES
- Spain
- Prior art keywords
- dividers
- monitor circuit
- loop
- loop monitor
- voltage
- 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)
- Interface Circuits In Exchanges (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681762897 DE1762897B2 (de) | 1968-09-19 | 1968-09-19 | Schaltungsanordnung zur auswertung des schleifenzustandes und zur unterscheidung von schleifenwiderstaenden in einer fernmelde insbesondere fernsprechleitung |
Publications (1)
Publication Number | Publication Date |
---|---|
ES371615A1 true ES371615A1 (es) | 1971-11-16 |
Family
ID=5697274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES371615A Expired ES371615A1 (es) | 1968-09-19 | 1969-09-17 | Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3673356A (es) |
AT (1) | AT314619B (es) |
CH (1) | CH514968A (es) |
DE (1) | DE1762897B2 (es) |
DK (1) | DK137879C (es) |
ES (1) | ES371615A1 (es) |
FR (1) | FR2018446A1 (es) |
GB (1) | GB1237854A (es) |
NL (1) | NL6914297A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889073A (en) * | 1974-03-06 | 1975-06-10 | Bell Telephone Labor Inc | Detection of series-resonant circuits connected across transmission paths |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1652241A (en) * | 1926-06-21 | 1927-12-13 | American Telephone & Telegraph | Device for electrical measurement |
US2731514A (en) * | 1951-01-12 | 1956-01-17 | Nederlanden Staat | Lockout electronic line circuit |
NL86629C (es) * | 1954-02-26 | |||
US3129289A (en) * | 1959-06-26 | 1964-04-14 | Itt | Electronic line circuit |
US3156778A (en) * | 1959-12-24 | 1964-11-10 | Bell Telephone Labor Inc | Supervisory circuits for telephone subscriber's line |
NL289634A (es) * | 1962-03-01 | |||
US3363067A (en) * | 1964-12-31 | 1968-01-09 | Bell Telephone Labor Inc | Dial noise test set |
-
1968
- 1968-09-19 DE DE19681762897 patent/DE1762897B2/de not_active Withdrawn
-
1969
- 1969-08-27 AT AT817569A patent/AT314619B/de not_active IP Right Cessation
- 1969-09-05 US US855721A patent/US3673356A/en not_active Expired - Lifetime
- 1969-09-11 GB GB44938/69A patent/GB1237854A/en not_active Expired
- 1969-09-17 ES ES371615A patent/ES371615A1/es not_active Expired
- 1969-09-18 DK DK496869A patent/DK137879C/da active
- 1969-09-19 FR FR6931894A patent/FR2018446A1/fr not_active Withdrawn
- 1969-09-19 CH CH1415569A patent/CH514968A/de not_active IP Right Cessation
- 1969-09-19 NL NL6914297A patent/NL6914297A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE1762897A1 (de) | 1970-12-03 |
GB1237854A (en) | 1971-06-30 |
NL6914297A (es) | 1970-03-23 |
AT314619B (de) | 1974-04-10 |
DK137879C (da) | 1978-10-23 |
FR2018446A1 (es) | 1970-05-29 |
DK137879B (da) | 1978-05-22 |
CH514968A (de) | 1971-10-31 |
US3673356A (en) | 1972-06-27 |
DE1762897B2 (de) | 1971-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES371615A1 (es) | Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca. | |
GB694705A (en) | Improvements in or relating to telephone set circuits | |
ES408787A1 (es) | Una disposicion de circuito multiplex. | |
ES373031A1 (es) | Dispositivo de perdida variable. | |
GB1323711A (en) | Electrical networks | |
FR1461883A (fr) | Circuit électrique en pont | |
GB1037476A (en) | Electrical measuring apparatus | |
SU100290A1 (ru) | Трехфазный фазометр | |
CA928797A (en) | One piece meter current circuit | |
GB836225A (en) | Improvements in or relating to subscriber's line circuits | |
GB1114037A (en) | Novel indicator light circuitry | |
ES299957A3 (es) | Perfeccionamientos introducidos en los circuitos calefactores | |
ES386872A1 (es) | Circuito de manipulacion para seleccion programada de fre- cuencia en aparatos de radio y de television. | |
ES315283A1 (es) | Un dispositivo rectificador diferencial de medida utilizable en circuitos electricos. | |
GB1052710A (en) | Electrical switching arrangement | |
ATA10577A (de) | Schaltung in fernsprechnetzen mit an der amts- -zentrale ueber amtsleitungen angeschlossenen, automatisch arbeitenden haus-fernsprech- zentralen, zum selbsttaetigen erfassen der benutzung einzelner teilnehmer-sprechzellen | |
JPS52124803A (en) | Signal send/receiving | |
CH614586B (de) | Elektrochrom-anzeigeeinrichtung. | |
GB794706A (en) | Radio frequency microwattmeter | |
GB634177A (en) | Improvements in or relating to counting apparatus | |
GB789399A (en) | Improvements in or relating to semi-conductor mixing devices | |
GB1275467A (en) | Flame ionization detector | |
NESSLER | A transistor tester whose operational point can be freely selected(Transistor tester circuit design with mutually independent collector-emitter voltage, collector current, generator and load resistance adjustment for arbitrary operating point selection) | |
ES214074A1 (es) | Un sistema para retransmitir visualmente el desarrollo de encuentros deportivos por medio de linea telefonica | |
KOSTSOV et al. | Thin-film capacitors and the possibility of their use in measuring equipment(Electrical and physical properties of thin film capacitors for electronic measuring equipment) |