NL7600903A - SECURITY DEVICE. - Google Patents
SECURITY DEVICE.Info
- Publication number
- NL7600903A NL7600903A NL7600903A NL7600903A NL7600903A NL 7600903 A NL7600903 A NL 7600903A NL 7600903 A NL7600903 A NL 7600903A NL 7600903 A NL7600903 A NL 7600903A NL 7600903 A NL7600903 A NL 7600903A
- Authority
- NL
- Netherlands
- Prior art keywords
- security device
- security
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
- H02H3/162—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems
- H02H3/165—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems for three-phase systems
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7503653A FR2299750A1 (en) | 1975-01-31 | 1975-01-31 | SAFETY DEVICE FOR THE |
FR7539397A FR2335079A2 (en) | 1975-12-12 | 1975-12-12 | Short-circuit monitor for machines - has resistor switching transistor which controls power switch upon short-circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7600903A true NL7600903A (en) | 1976-08-03 |
Family
ID=26218717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7600903A NL7600903A (en) | 1975-01-31 | 1976-01-29 | SECURITY DEVICE. |
Country Status (12)
Country | Link |
---|---|
AT (1) | AT355656B (en) |
AU (1) | AU501224B2 (en) |
BR (1) | BR7600661A (en) |
CA (1) | CA1066358A (en) |
CH (1) | CH619328A5 (en) |
DE (1) | DE2603632A1 (en) |
DK (1) | DK39876A (en) |
GB (1) | GB1547221A (en) |
IN (1) | IN145145B (en) |
NL (1) | NL7600903A (en) |
OA (1) | OA05231A (en) |
SE (1) | SE413702B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2659744B1 (en) * | 1990-03-16 | 1992-07-24 | Thomson Csf | DEVICE FOR DETECTING FAULTS IN ELECTRICAL INSULATION FOR INSTALLATION UNDER VOLTAGE. |
-
1976
- 1976-01-29 NL NL7600903A patent/NL7600903A/en not_active Application Discontinuation
- 1976-01-30 GB GB3714/76A patent/GB1547221A/en not_active Expired
- 1976-01-30 SE SE7601031A patent/SE413702B/en unknown
- 1976-01-30 DK DK39876*#A patent/DK39876A/en not_active Application Discontinuation
- 1976-01-30 CH CH119176A patent/CH619328A5/en not_active IP Right Cessation
- 1976-01-30 AT AT67376A patent/AT355656B/en not_active IP Right Cessation
- 1976-01-30 DE DE19762603632 patent/DE2603632A1/en not_active Ceased
- 1976-01-31 OA OA55725A patent/OA05231A/en unknown
- 1976-02-02 AU AU10739/76A patent/AU501224B2/en not_active Expired
- 1976-02-02 BR BR7600661A patent/BR7600661A/en unknown
- 1976-02-02 CA CA244,777A patent/CA1066358A/en not_active Expired
- 1976-03-05 IN IN400/CAL/76A patent/IN145145B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR7600661A (en) | 1976-08-31 |
AU501224B2 (en) | 1979-06-14 |
SE413702B (en) | 1980-06-16 |
DK39876A (en) | 1976-08-01 |
OA05231A (en) | 1981-02-28 |
CH619328A5 (en) | 1980-09-15 |
IN145145B (en) | 1978-09-02 |
DE2603632A1 (en) | 1976-08-05 |
AT355656B (en) | 1980-03-10 |
GB1547221A (en) | 1979-06-06 |
SE7601031L (en) | 1976-08-02 |
CA1066358A (en) | 1979-11-13 |
ATA67376A (en) | 1979-08-15 |
AU1073976A (en) | 1977-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |