IL46131A - Device for evaluating magnitude and direction of d.c. current - Google Patents
Device for evaluating magnitude and direction of d.c. currentInfo
- Publication number
- IL46131A IL46131A IL46131A IL4613174A IL46131A IL 46131 A IL46131 A IL 46131A IL 46131 A IL46131 A IL 46131A IL 4613174 A IL4613174 A IL 4613174A IL 46131 A IL46131 A IL 46131A
- Authority
- IL
- Israel
- Prior art keywords
- current
- circuit arrangement
- devices
- wires
- receiving line
- Prior art date
Links
- 238000011156 evaluation Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/493—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2360375A DE2360375C3 (de) | 1973-12-04 | 1973-12-04 | Schaltungsanordnung zur Bewertung eines Stromes nach Größe und Richtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL46131A0 IL46131A0 (en) | 1975-02-10 |
| IL46131A true IL46131A (en) | 1976-10-31 |
Family
ID=5899833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL46131A IL46131A (en) | 1973-12-04 | 1974-11-26 | Device for evaluating magnitude and direction of d.c. current |
Country Status (15)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2934158C2 (de) * | 1979-08-23 | 1981-11-12 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zurBewertung des Ruhestroms |
| US4562386A (en) * | 1984-01-26 | 1985-12-31 | Performance Controls Company | Current sense demodulator |
| JPH0668897U (ja) * | 1993-03-17 | 1994-09-27 | 茂郎 槇島 | 装飾構造体 |
| US8159780B2 (en) * | 2009-07-15 | 2012-04-17 | Seagate Technology Llc | Recording head heater systems with two electrical connections |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3035122A (en) * | 1958-09-30 | 1962-05-15 | Gen Dynamics Corp | Constant current line circuitt for loop telephone lines |
| BE638919A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1963-10-17 | |||
| US3435257A (en) * | 1965-05-17 | 1969-03-25 | Burroughs Corp | Threshold biased control circuit for trailing edge triggered flip-flops |
| GB1200909A (en) * | 1967-11-30 | 1970-08-05 | Standard Telephones Cables Ltd | Loop current detector |
| US3514543A (en) * | 1968-03-29 | 1970-05-26 | Hubbell Inc Harvey | Battery insertion apparatus for extending loop telephone lines |
| US3781480A (en) * | 1970-11-10 | 1973-12-25 | Wescom | Loop extender |
| US3783198A (en) * | 1971-03-18 | 1974-01-01 | Gte Automatic Electric Lab Inc | Battery reversal detection |
| US3819866A (en) * | 1972-12-18 | 1974-06-25 | Bell Telephone Labor Inc | Light coupled loop current detector |
| US3860868A (en) * | 1973-09-26 | 1975-01-14 | Joseph S Lindell | Voltage polarity sensor indicator and director circuit device |
-
1973
- 1973-12-04 DE DE2360375A patent/DE2360375C3/de not_active Expired
-
1974
- 1974-11-20 GB GB50221/74A patent/GB1482799A/en not_active Expired
- 1974-11-25 NL NL7415352A patent/NL7415352A/xx not_active Application Discontinuation
- 1974-11-26 IL IL46131A patent/IL46131A/en unknown
- 1974-11-26 ZA ZA00747531A patent/ZA747531B/xx unknown
- 1974-11-28 IT IT29946/74A patent/IT1026609B/it active
- 1974-11-28 CH CH1582374A patent/CH572297A5/xx not_active IP Right Cessation
- 1974-12-02 DK DK626074A patent/DK144498C/da active
- 1974-12-03 FR FR7439531A patent/FR2253335B1/fr not_active Expired
- 1974-12-03 CA CA215,110A patent/CA1018612A/en not_active Expired
- 1974-12-03 SE SE7415138A patent/SE406686B/xx unknown
- 1974-12-04 BR BR10130/74A patent/BR7410130A/pt unknown
- 1974-12-04 BE BE151165A patent/BE822955A/xx unknown
- 1974-12-04 JP JP14008174A patent/JPS5652508B2/ja not_active Expired
- 1974-12-04 US US05/529,492 patent/US3967137A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1482799A (en) | 1977-08-17 |
| SE406686B (sv) | 1979-02-19 |
| BE822955A (fr) | 1975-06-04 |
| IL46131A0 (en) | 1975-02-10 |
| NL7415352A (nl) | 1975-06-06 |
| FR2253335A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-27 |
| JPS5087704A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-07-15 |
| IT1026609B (it) | 1978-10-20 |
| AU7601374A (en) | 1976-06-03 |
| FR2253335B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-02-23 |
| DE2360375B2 (de) | 1977-09-29 |
| DK144498B (da) | 1982-03-15 |
| CA1018612A (en) | 1977-10-04 |
| DK626074A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-07-21 |
| JPS5652508B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-12-12 |
| CH572297A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-01-30 |
| ZA747531B (en) | 1975-12-31 |
| BR7410130A (pt) | 1976-06-08 |
| SE7415138L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-05 |
| DE2360375A1 (de) | 1975-06-19 |
| DE2360375C3 (de) | 1978-05-24 |
| DK144498C (da) | 1982-08-23 |
| US3967137A (en) | 1976-06-29 |
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