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
-
- 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
-
- 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 OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964C0032290 DE1266877B (en) | 1964-03-03 | 1964-03-03 | Device for monitoring several measuring points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE660573A true BE660573A (en) | 1965-07-01 |
Family
ID=7020239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE660573A BE660573A (en) | 1964-03-03 | 1965-03-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE660573A (en) |
| DE (1) | DE1266877B (en) |
| FR (1) | FR1424157A (en) |
| GB (1) | GB1097436A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3141661A1 (en) * | 1981-10-21 | 1983-05-05 | Brown, Boveri & Cie Ag, 6800 Mannheim | Device for monitoring circuits |
| DE3406166A1 (en) * | 1984-02-21 | 1985-10-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Overload indicating device |
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 |
-
1964
- 1964-03-03 DE DE1964C0032290 patent/DE1266877B/en active Pending
-
1965
- 1965-02-08 FR FR4682A patent/FR1424157A/en not_active Expired
- 1965-03-03 GB GB914465A patent/GB1097436A/en not_active Expired
- 1965-03-03 BE BE660573A patent/BE660573A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1097436A (en) | 1968-01-03 |
| FR1424157A (en) | 1966-01-07 |
| DE1266877B (en) | 1968-04-25 |