FR2389994B1 - - Google Patents
Info
- Publication number
- FR2389994B1 FR2389994B1 FR7730048A FR7730048A FR2389994B1 FR 2389994 B1 FR2389994 B1 FR 2389994B1 FR 7730048 A FR7730048 A FR 7730048A FR 7730048 A FR7730048 A FR 7730048A FR 2389994 B1 FR2389994 B1 FR 2389994B1
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
- H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T2/00—Spark gaps comprising auxiliary triggering means
- H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23269/77A IT1115469B (en) | 1977-05-06 | 1977-05-06 | FIELD-EFFECT DEVICE FOR OVERVOLTAGE PROTECTION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2389994A1 FR2389994A1 (en) | 1978-12-01 |
FR2389994B1 true FR2389994B1 (en) | 1981-06-19 |
Family
ID=11205484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7730048A Expired FR2389994B1 (en) | 1977-05-06 | 1977-10-06 |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE863395A (en) |
BR (1) | BR7802133A (en) |
ES (1) | ES467208A1 (en) |
FR (1) | FR2389994B1 (en) |
GB (1) | GB1603031A (en) |
IT (1) | IT1115469B (en) |
NL (1) | NL7802238A (en) |
NO (1) | NO781561L (en) |
SE (1) | SE7805024L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1108971B (en) * | 1978-02-16 | 1985-12-16 | Sits Soc It Telecom Siemens | OVERVOLTAGE PROTECTION DEVICE |
GB2200243B (en) * | 1987-01-27 | 1990-09-05 | English Electric Valve Co Ltd | Protection device |
DE19818674B4 (en) | 1998-04-27 | 2004-04-29 | Phoenix Contact Gmbh & Co. Kg | Snubber |
DE102018133389A1 (en) * | 2018-12-21 | 2020-06-25 | Phoenix Contact Gmbh & Co. Kg | Surge arresters |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB353924A (en) * | 1930-01-29 | 1931-07-29 | Edison Swan Electric Co Ltd | Improvements in protecting devices for electric circuits |
FR1052741A (en) * | 1952-03-24 | 1954-01-26 | Arc transfer surge arrester | |
CH313669A (en) * | 1953-07-23 | 1956-04-30 | Bbc Brown Boveri & Cie | Pre-ionized spark gap, especially for surge arresters |
GB1085032A (en) * | 1964-09-11 | 1967-09-27 | English Electric Co Ltd | Improvements in or relating to protective spark gap devices |
US3845345A (en) * | 1973-07-05 | 1974-10-29 | Gen Electric | Frequency sensitive preionizer |
-
1977
- 1977-05-06 IT IT23269/77A patent/IT1115469B/en active
- 1977-10-06 FR FR7730048A patent/FR2389994B1/fr not_active Expired
-
1978
- 1978-01-27 BE BE184689A patent/BE863395A/en unknown
- 1978-02-22 ES ES467208A patent/ES467208A1/en not_active Expired
- 1978-03-01 NL NL7802238A patent/NL7802238A/en not_active Application Discontinuation
- 1978-04-04 GB GB13173/78A patent/GB1603031A/en not_active Expired
- 1978-04-06 BR BR7802133A patent/BR7802133A/en unknown
- 1978-05-02 SE SE7805024A patent/SE7805024L/en unknown
- 1978-05-03 NO NO781561A patent/NO781561L/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT1115469B (en) | 1986-02-03 |
NO781561L (en) | 1978-11-07 |
BR7802133A (en) | 1979-05-29 |
ES467208A1 (en) | 1978-11-16 |
GB1603031A (en) | 1981-11-18 |
BE863395A (en) | 1978-05-16 |
SE7805024L (en) | 1978-11-07 |
FR2389994A1 (en) | 1978-12-01 |
NL7802238A (en) | 1978-11-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |