BE660573A - - Google Patents
Info
- Publication number
- BE660573A BE660573A BE660573A BE660573A BE660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
- G01R19/16509—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using electromagnetic relays, e.g. reed relay
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Measurement Of Current Or Voltage (AREA)
- Electronic Switches (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964C0032290 DE1266877B (de) | 1964-03-03 | 1964-03-03 | Einrichtung zur UEberwachung mehrerer Messstellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE660573A true BE660573A (it) | 1965-07-01 |
Family
ID=7020239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE660573A BE660573A (it) | 1964-03-03 | 1965-03-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE660573A (it) |
| DE (1) | DE1266877B (it) |
| FR (1) | FR1424157A (it) |
| GB (1) | GB1097436A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3141661A1 (de) * | 1981-10-21 | 1983-05-05 | Brown, Boveri & Cie Ag, 6800 Mannheim | Einrichtung zur ueberwachung von stromkreisen |
| DE3406166A1 (de) * | 1984-02-21 | 1985-10-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Ueberlastanzeigeeinrichtung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB701941A (en) * | 1951-07-27 | 1954-01-06 | Vickers Electrical Co Ltd | Improvements relating to electrical measuring instruments |
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1964
- 1964-03-03 DE DE1964C0032290 patent/DE1266877B/de active Pending
-
1965
- 1965-02-08 FR FR4682A patent/FR1424157A/fr not_active Expired
- 1965-03-03 BE BE660573A patent/BE660573A/xx unknown
- 1965-03-03 GB GB914465A patent/GB1097436A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1424157A (fr) | 1966-01-07 |
| GB1097436A (en) | 1968-01-03 |
| DE1266877B (de) | 1968-04-25 |