FR2026915A1 - - Google Patents
Info
- Publication number
- FR2026915A1 FR2026915A1 FR6944403A FR6944403A FR2026915A1 FR 2026915 A1 FR2026915 A1 FR 2026915A1 FR 6944403 A FR6944403 A FR 6944403A FR 6944403 A FR6944403 A FR 6944403A FR 2026915 A1 FR2026915 A1 FR 2026915A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/008—Intrinsically safe circuits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681816553 DE1816553B2 (de) | 1968-12-23 | 1968-12-23 | Einrichtung zum schutze von in explosionsgefaehrdeten raeumen befindlichen verbrauchern und oder messwertgebern |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2026915A1 true FR2026915A1 (fr) | 1970-09-25 |
Family
ID=5717190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6944403A Withdrawn FR2026915A1 (fr) | 1968-12-23 | 1969-12-22 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1816553B2 (fr) |
FR (1) | FR2026915A1 (fr) |
GB (1) | GB1256780A (fr) |
NL (1) | NL6919066A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4984508A (fr) * | 1972-12-19 | 1974-08-14 | ||
JPS50113752A (fr) * | 1974-02-21 | 1975-09-06 | ||
DE2411633C3 (de) * | 1974-03-12 | 1981-06-19 | Brown, Boveri & Cie Ag, 6800 Mannheim | Schaltungsanordnung zur Strombegrenzung |
DE2544482C3 (de) * | 1975-10-04 | 1981-05-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Aus einer Strom- und Spannungsbegrenzungsschaltung bestehende Zenerbarriere |
DE2917256A1 (de) * | 1979-04-27 | 1980-11-06 | Kraftwerk Union Ag | Ueberspannungsschutzeinrichtung fuer elektronische geraete |
DE2937298C2 (de) * | 1979-09-12 | 1985-01-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung für eine eigensichere Gleichstrom-Versorgung |
GB8311738D0 (en) * | 1983-04-29 | 1983-06-02 | Weatherford Lamb | Battery power pack |
GB2140231B (en) * | 1983-04-29 | 1986-10-29 | Weatherford Lamb | Battery power pack |
GB2145858A (en) * | 1983-08-27 | 1985-04-03 | Hunslett | Monitoring system |
GB2245439B (en) * | 1987-09-26 | 1992-04-29 | Measurement Tech Ltd | Electrical safety barriers |
GB8722680D0 (en) * | 1987-09-26 | 1987-11-04 | Measurement Tech Ltd | Electrical safety barriers |
GB8722679D0 (en) * | 1987-09-26 | 1987-11-04 | Measurement Tech Ltd | Electrical safety barriers |
-
1968
- 1968-12-23 DE DE19681816553 patent/DE1816553B2/de active Pending
-
1969
- 1969-12-19 NL NL6919066A patent/NL6919066A/xx unknown
- 1969-12-22 FR FR6944403A patent/FR2026915A1/fr not_active Withdrawn
- 1969-12-23 GB GB1256780D patent/GB1256780A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1256780A (fr) | 1971-12-15 |
NL6919066A (fr) | 1970-06-25 |
DE1816553B2 (de) | 1971-09-30 |
DE1816553A1 (de) | 1970-06-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |