AT291390B - Explosionssichere, rohrförmige Niederdruck-Quecksilberdampfentladungslampen - Google Patents
Explosionssichere, rohrförmige Niederdruck-QuecksilberdampfentladungslampenInfo
- Publication number
- AT291390B AT291390B AT685369A AT685369A AT291390B AT 291390 B AT291390 B AT 291390B AT 685369 A AT685369 A AT 685369A AT 685369 A AT685369 A AT 685369A AT 291390 B AT291390 B AT 291390B
- Authority
- AT
- Austria
- Prior art keywords
- explosion
- proof
- tubular
- low
- pressure mercury
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/50—Auxiliary parts or solid material within the envelope for reducing risk of explosion upon breakage of the envelope, e.g. for use in mines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUEE001545 | 1968-07-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT291390B true AT291390B (de) | 1971-07-12 |
Family
ID=10995262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT685369A AT291390B (de) | 1968-07-18 | 1969-07-16 | Explosionssichere, rohrförmige Niederdruck-Quecksilberdampfentladungslampen |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT291390B (de) |
DE (1) | DE1935677A1 (de) |
ES (1) | ES369643A1 (de) |
NL (1) | NL6910648A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7612881A (nl) * | 1976-11-19 | 1978-05-23 | Philips Nv | Lagedrukkwikdampontladingslamp. |
-
1969
- 1969-07-09 DE DE19691935677 patent/DE1935677A1/de active Pending
- 1969-07-10 NL NL6910648A patent/NL6910648A/xx unknown
- 1969-07-16 AT AT685369A patent/AT291390B/de not_active IP Right Cessation
- 1969-07-17 ES ES369643A patent/ES369643A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6910648A (de) | 1970-01-20 |
ES369643A1 (es) | 1971-06-01 |
DE1935677A1 (de) | 1970-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |