FR2266346A1 - - Google Patents
Info
- Publication number
- FR2266346A1 FR2266346A1 FR7507559A FR7507559A FR2266346A1 FR 2266346 A1 FR2266346 A1 FR 2266346A1 FR 7507559 A FR7507559 A FR 7507559A FR 7507559 A FR7507559 A FR 7507559A FR 2266346 A1 FR2266346 A1 FR 2266346A1
- 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.)
- Granted
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 |
|---|---|---|---|
| US45517374A | 1974-03-27 | 1974-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2266346A1 true FR2266346A1 (ja) | 1975-10-24 |
| FR2266346B1 FR2266346B1 (ja) | 1981-08-21 |
Family
ID=23807688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7507559A Expired FR2266346B1 (ja) | 1974-03-27 | 1975-03-11 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS50128156A (ja) |
| BE (1) | BE824798A (ja) |
| CA (1) | CA1029797A (ja) |
| DE (1) | DE2503226A1 (ja) |
| FR (1) | FR2266346B1 (ja) |
| GB (1) | GB1470270A (ja) |
| IT (1) | IT1029395B (ja) |
| NL (1) | NL174512C (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2392523A1 (fr) * | 1977-05-27 | 1978-12-22 | Siemens Ag | Dispositif d'alimentation en courant continu pour installations a securite intrinseque au fond des mines |
| FR2433845A1 (fr) * | 1978-08-17 | 1980-03-14 | Asea Ab | Coupe-circuit de surtension pour la protection de composants semi-conducteurs du type a basse puissance |
| FR2590668A1 (fr) * | 1985-11-28 | 1987-05-29 | Danfoss As | Circuit de protection pour la bobine d'induction d'un debitmetre a induction magnetique |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175543U (ja) * | 1981-04-28 | 1982-11-06 | ||
| DE4444345A1 (de) * | 1994-12-14 | 1996-06-27 | Stahl R Schaltgeraete Gmbh | Sicherheitsbarriere für hohe Datenraten |
| US7152781B2 (en) * | 2003-12-01 | 2006-12-26 | Advanced Technology Materials, Inc. | Manufacturing system with intrinsically safe electric information storage |
| US9343899B2 (en) | 2013-10-03 | 2016-05-17 | Fisher Controls International Llc | Intrinsically safe voltage limiting shunt regulator circuit |
| CN114089230A (zh) * | 2021-10-27 | 2022-02-25 | 许继电源有限公司 | 用于电感故障实验的隔爆工装 |
-
1975
- 1975-01-07 CA CA217,531A patent/CA1029797A/en not_active Expired
- 1975-01-07 GB GB67775A patent/GB1470270A/en not_active Expired
- 1975-01-27 DE DE19752503226 patent/DE2503226A1/de not_active Ceased
- 1975-01-27 BE BE1006426A patent/BE824798A/xx not_active IP Right Cessation
- 1975-01-30 IT IT4791375A patent/IT1029395B/it active
- 1975-01-30 JP JP1291975A patent/JPS50128156A/ja active Pending
- 1975-03-11 FR FR7507559A patent/FR2266346B1/fr not_active Expired
- 1975-03-12 NL NL7502963A patent/NL174512C/xx not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2392523A1 (fr) * | 1977-05-27 | 1978-12-22 | Siemens Ag | Dispositif d'alimentation en courant continu pour installations a securite intrinseque au fond des mines |
| FR2433845A1 (fr) * | 1978-08-17 | 1980-03-14 | Asea Ab | Coupe-circuit de surtension pour la protection de composants semi-conducteurs du type a basse puissance |
| FR2590668A1 (fr) * | 1985-11-28 | 1987-05-29 | Danfoss As | Circuit de protection pour la bobine d'induction d'un debitmetre a induction magnetique |
| NL8603027A (nl) * | 1985-11-28 | 1987-06-16 | Danfoss As | Beveiligingsschakeling voor de inductiespoel van een magnetischinductieve doorstroommeter. |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1470270A (en) | 1977-04-14 |
| IT1029395B (it) | 1979-03-10 |
| CA1029797A (en) | 1978-04-18 |
| NL174512C (nl) | 1984-06-18 |
| NL7502963A (nl) | 1975-09-30 |
| BE824798A (fr) | 1975-07-28 |
| FR2266346B1 (ja) | 1981-08-21 |
| DE2503226A1 (de) | 1975-10-02 |
| NL174512B (nl) | 1984-01-16 |
| JPS50128156A (ja) | 1975-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |