DE3014644C2 - - Google Patents
Info
- Publication number
- DE3014644C2 DE3014644C2 DE3014644A DE3014644A DE3014644C2 DE 3014644 C2 DE3014644 C2 DE 3014644C2 DE 3014644 A DE3014644 A DE 3014644A DE 3014644 A DE3014644 A DE 3014644A DE 3014644 C2 DE3014644 C2 DE 3014644C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- light
- display
- display device
- emitting diode
- 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 - Fee Related
Links
- 238000004804 winding Methods 0.000 claims description 29
- 230000005693 optoelectronics Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
- G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
- G01R13/405—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs
-
- 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
- G01R19/155—Indicating the presence of voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803014644 DE3014644A1 (de) | 1980-04-16 | 1980-04-16 | Netzgeraet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803014644 DE3014644A1 (de) | 1980-04-16 | 1980-04-16 | Netzgeraet |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3014644A1 DE3014644A1 (de) | 1981-10-22 |
DE3014644C2 true DE3014644C2 (enrdf_load_stackoverflow) | 1990-09-13 |
Family
ID=6100208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803014644 Granted DE3014644A1 (de) | 1980-04-16 | 1980-04-16 | Netzgeraet |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3014644A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4039921A1 (de) * | 1990-12-14 | 1992-06-17 | Schupa Elektro Gmbh & Co Kg | Fehlerstrom-sensorschaltung |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556473B1 (fr) * | 1983-12-07 | 1986-10-10 | Archambault Andre | Controleur de courant dans une ligne electrique notamment une ligne telephonique |
DE3639851A1 (de) * | 1986-11-21 | 1988-06-01 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zur ueberwachung eines digitalen uebertragungssystems |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD67055A (enrdf_load_stackoverflow) * |
-
1980
- 1980-04-16 DE DE19803014644 patent/DE3014644A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4039921A1 (de) * | 1990-12-14 | 1992-06-17 | Schupa Elektro Gmbh & Co Kg | Fehlerstrom-sensorschaltung |
Also Published As
Publication number | Publication date |
---|---|
DE3014644A1 (de) | 1981-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: G05B 23/02 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |