IT7829421A0 - Lampada a scarica ad alta pressione. - Google Patents
Lampada a scarica ad alta pressione.Info
- Publication number
- IT7829421A0 IT7829421A0 IT7829421A IT2942178A IT7829421A0 IT 7829421 A0 IT7829421 A0 IT 7829421A0 IT 7829421 A IT7829421 A IT 7829421A IT 2942178 A IT2942178 A IT 2942178A IT 7829421 A0 IT7829421 A0 IT 7829421A0
- Authority
- IT
- Italy
- Prior art keywords
- high pressure
- discharge lamp
- pressure discharge
- lamp
- pressure
- 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
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7712215A NL7712215A (nl) | 1977-11-07 | 1977-11-07 | Hogedrukgasontladingslamp. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7829421A0 true IT7829421A0 (it) | 1978-11-03 |
IT1100685B IT1100685B (it) | 1985-09-28 |
Family
ID=19829487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29421/78A IT1100685B (it) | 1977-11-07 | 1978-11-03 | Lampada a scarica ad alta pressione |
Country Status (9)
Country | Link |
---|---|
US (1) | US4233542A (it) |
JP (1) | JPS5475182A (it) |
BE (1) | BE871828A (it) |
DE (1) | DE2847539A1 (it) |
ES (1) | ES474812A1 (it) |
FR (1) | FR2408215A1 (it) |
GB (1) | GB2007424B (it) |
IT (1) | IT1100685B (it) |
NL (1) | NL7712215A (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4305020A (en) * | 1978-09-20 | 1981-12-08 | Westinghouse Electric Corp. | Fail-safe switch which renders HID lamp inoperative upon breakage of outer envelope |
US4642520A (en) * | 1980-05-29 | 1987-02-10 | U.S. Philips Corporation | High pressure discharge lamp |
US4361782A (en) * | 1980-06-26 | 1982-11-30 | General Electric Company | Jacketed discharge lamp having oxidizable fail-safe switch |
US4376259A (en) * | 1981-03-09 | 1983-03-08 | Gte Products Corporation | High intensity discharge lamp including arc extinguishing means |
US4388557A (en) * | 1981-03-16 | 1983-06-14 | Gte Products Corporation | High intensity discharge lamp including arc extinguishing means |
US4362969A (en) * | 1981-04-27 | 1982-12-07 | Gte Products Corporation | High intensity discharge lamp including arc extinguishing means |
US5189953A (en) * | 1992-05-21 | 1993-03-02 | Consolidated Nbs, Inc. | Electric motor driven imprinter |
WO2001013406A1 (en) * | 1999-08-17 | 2001-02-22 | Koninklijke Philips Electronics N.V. | Lamp with safety switch |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156830A (en) * | 1975-05-13 | 1979-05-29 | Duro-Test Corp. | High intensity discharge lamp with integral means for arc extinguishing |
US4013919A (en) * | 1975-08-04 | 1977-03-22 | General Electric Company | Discharge lamp having fuse-switch guard against jacket failure |
US4090105A (en) * | 1976-04-15 | 1978-05-16 | Duro-Test Corporation | High intensity discharge lamp with multiple filament to extinguish lamp when outer envelope breaks |
-
1977
- 1977-11-07 NL NL7712215A patent/NL7712215A/xx not_active Application Discontinuation
-
1978
- 1978-10-18 US US05/952,369 patent/US4233542A/en not_active Expired - Lifetime
- 1978-11-02 DE DE19782847539 patent/DE2847539A1/de not_active Withdrawn
- 1978-11-03 IT IT29421/78A patent/IT1100685B/it active
- 1978-11-03 GB GB7843163A patent/GB2007424B/en not_active Expired
- 1978-11-04 ES ES474812A patent/ES474812A1/es not_active Expired
- 1978-11-06 JP JP13663078A patent/JPS5475182A/ja active Pending
- 1978-11-06 FR FR7831354A patent/FR2408215A1/fr not_active Withdrawn
- 1978-11-07 BE BE191584A patent/BE871828A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7712215A (nl) | 1979-05-09 |
BE871828A (fr) | 1979-05-07 |
US4233542A (en) | 1980-11-11 |
GB2007424B (en) | 1982-01-27 |
GB2007424A (en) | 1979-05-16 |
JPS5475182A (en) | 1979-06-15 |
ES474812A1 (es) | 1979-03-16 |
FR2408215A1 (fr) | 1979-06-01 |
DE2847539A1 (de) | 1979-05-10 |
IT1100685B (it) | 1985-09-28 |
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