ATE789T1 - CIRCUIT ARRANGEMENT FOR MONITORING THE COURSE OF POTENTIALS ON SEVERAL LINES. - Google Patents
CIRCUIT ARRANGEMENT FOR MONITORING THE COURSE OF POTENTIALS ON SEVERAL LINES.Info
- Publication number
- ATE789T1 ATE789T1 AT79200414T AT79200414T ATE789T1 AT E789 T1 ATE789 T1 AT E789T1 AT 79200414 T AT79200414 T AT 79200414T AT 79200414 T AT79200414 T AT 79200414T AT E789 T1 ATE789 T1 AT E789T1
- Authority
- AT
- Austria
- Prior art keywords
- potential
- lines
- multiplexer
- potentials
- monitoring
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Measurement Of Current Or Voltage (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
1. Circuit arrangement intended to be connected to a telephone exchange for monitoring the variation of the potentials on a plurality of lines (1) or of the potential differences on a plurality of pairs (30) of lines with respect to the exceeding of or falling below a single specific threshold value by the individual potentials or potential differences, in which arrangement both binary values are produced with the aid of at least one comparator (9; 41, 42) and of a fixed reference potential (24) as a function of the monitored potentials, and also a multiplexer (3, 5; 3, 32), which enters into relationship with the individual lines (1; 30) in cyclic sequence, is disposed on the path between the lines and an output (18) for the said binary values, characterized in that the comparator(s) (9; 41, 42) is(are) contained in a single central test apparatus (21) disposed between the multiplexer (3, 5; 3, 32) and the output (18), that the test apparatus (21) contains an operational amplifier (7; 36, 37) producing a measuring potential (23) proportional to the potential or the potential difference of the line (1) or the pair (30) of lines connected thereto via the multiplexer (3, 5; 3, 32), that the multiplexer (3; 3, 32) is an analog multiplexer, and that there are circuit means (10, 11, 12, 13, 14) present which are digitally adjustable in large and small steps and which produce the reference potential (24) as a potential bearing a specific, permanently adjusted relationship to a supply potential (-), the reference potential (24) being permanently adjusted in conformity with various types of telephone exchanges sometime prior to installation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH795478 | 1978-07-24 | ||
| EP79200414A EP0007677B1 (en) | 1978-07-24 | 1979-07-23 | Circuit for the supervision of the variation of the potentials on several lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE789T1 true ATE789T1 (en) | 1982-04-15 |
Family
ID=4332915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT79200414T ATE789T1 (en) | 1978-07-24 | 1979-07-23 | CIRCUIT ARRANGEMENT FOR MONITORING THE COURSE OF POTENTIALS ON SEVERAL LINES. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0007677B1 (en) |
| AT (1) | ATE789T1 (en) |
| DE (1) | DE2962339D1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1128782B (en) * | 1980-05-05 | 1986-06-04 | Cselt Centro Studi Lab Telecom | DEVICE FOR THE ACQUISITION OF TELEPHONE CRITERIA FROM BODIES OF ELECTROMECHANICAL UNITS |
| DE102008037620A1 (en) | 2008-08-14 | 2010-02-18 | Bayer Crop Science Ag | Herbicide combination with dimethoxytriazinyl-substituted difluoromethanesulfonylanilides |
| SI2627183T2 (en) | 2010-10-15 | 2021-11-30 | Bayer Intellectual Propety Gmbh | Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant beta vulgaris plants |
| EA029716B1 (en) | 2011-05-04 | 2018-05-31 | Байер Интеллектчуал Проперти Гмбх | Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant brassica, such as b. napus, plants |
| US9686994B2 (en) | 2012-12-13 | 2017-06-27 | Bayer Cropscience Ag | Use of ALS inhibitor herbicides for control of unwanted vegetation in ALS inhibitor herbicide tolerant beta vulgaris plants |
| WO2023062184A1 (en) | 2021-10-15 | 2023-04-20 | KWS SAAT SE & Co. KGaA | Als inhibitor herbicide tolerant beta vulgaris mutants |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2691729A (en) * | 1953-03-05 | 1954-10-12 | Bell Telephone Labor Inc | Electrical circuits |
| US3821484A (en) * | 1971-03-15 | 1974-06-28 | North Electric Co | Time sharing of a supervisory receiver unit |
| US3810012A (en) * | 1972-10-17 | 1974-05-07 | Rosemount Eng Co Ltd | Apparatus for automatically evaluating the voltage at a number of test points sequentially |
| US3925623A (en) * | 1974-03-08 | 1975-12-09 | Trw Inc | Line identification and metering system |
| US3936611A (en) * | 1974-09-04 | 1976-02-03 | Gte Sylvania Incorporated | Time compression scanner |
| US3989959A (en) * | 1975-08-28 | 1976-11-02 | Vitatron Medical B.V. | Low current drain amplifier incorporating feedback means for establishing sensitivity |
-
1979
- 1979-07-23 AT AT79200414T patent/ATE789T1/en active
- 1979-07-23 DE DE7979200414T patent/DE2962339D1/en not_active Expired
- 1979-07-23 EP EP79200414A patent/EP0007677B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0007677A1 (en) | 1980-02-06 |
| EP0007677B1 (en) | 1982-03-24 |
| DE2962339D1 (en) | 1982-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |