JPS5650383B2 - - Google Patents
Info
- Publication number
- JPS5650383B2 JPS5650383B2 JP446177A JP446177A JPS5650383B2 JP S5650383 B2 JPS5650383 B2 JP S5650383B2 JP 446177 A JP446177 A JP 446177A JP 446177 A JP446177 A JP 446177A JP S5650383 B2 JPS5650383 B2 JP S5650383B2
- Authority
- JP
- Japan
- 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
- 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
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/651,306 US4013920A (en) | 1976-01-22 | 1976-01-22 | Safety switch which renders hid lamp inoperative on accidental breakage of outer envelope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5291578A JPS5291578A (en) | 1977-08-02 |
| JPS5650383B2 true JPS5650383B2 (enExample) | 1981-11-28 |
Family
ID=24612360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP446177A Granted JPS5291578A (en) | 1976-01-22 | 1977-01-20 | High luminous discharge lamp |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4013920A (enExample) |
| JP (1) | JPS5291578A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752718A (en) * | 1975-05-13 | 1988-06-21 | Duro-Test Corporation | High intensity discharge lamp with integral means for arc extinguishing |
| US4221993A (en) * | 1976-03-22 | 1980-09-09 | General Electric Company | Discharge lamp having mechanical disconnect guard against jacket failure |
| US4229678A (en) * | 1976-12-07 | 1980-10-21 | Westinghouse Electric Corp. | Safety switch which renders HID lamp inoperative on _accidental breakage of outer envelope |
| US4186327A (en) * | 1977-03-15 | 1980-01-29 | Westinghouse Electric Corp. | Safety switch which renders high intensity discharge lamp inoperative on accidental breakage of outer envelope |
| US4217522A (en) * | 1978-02-16 | 1980-08-12 | Duro-Test Corporation | Mechanical safety switch for high intensity discharge lamps |
| US4195251A (en) * | 1978-06-22 | 1980-03-25 | Gte Sylvania Incorporated | High intensity discharge lamp having safety device with pyrophoric material |
| US4629939A (en) * | 1984-12-21 | 1986-12-16 | North American Philips Lighting Corporation | Discharge lamp with automatic shut off |
| NL8502534A (nl) * | 1985-09-17 | 1987-04-16 | Philips Nv | Bestralingsapparaat. |
| US4973881A (en) * | 1989-12-14 | 1990-11-27 | Gte Products Corporation | Automatic shut-off device for an electric lamp |
| US7832900B2 (en) * | 2008-07-10 | 2010-11-16 | Simon Avitan | Lightbulb with envelope-fracture responsive electrical disconnect means |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2113314A (en) * | 1935-01-10 | 1938-04-05 | Westinghouse Electric & Mfg Co | Discharge lamp |
| US2286789A (en) * | 1940-05-01 | 1942-06-16 | Westinghouse Electric & Mfg Co | Integral high pressure lamp and starting circuit therefor |
| US2950417A (en) * | 1958-08-08 | 1960-08-23 | Gen Electric | Series electric lamp |
| US3767965A (en) * | 1972-03-01 | 1973-10-23 | Gen Electric | High intensity lamp containing internal shorting fuse |
| US3872340A (en) * | 1974-05-28 | 1975-03-18 | Gen Electric | High temperature lamp starting aid |
| US3965387A (en) * | 1974-06-24 | 1976-06-22 | General Electric Company | Electric lamp and thermal switch therefore |
| JPS5288372U (enExample) * | 1975-12-26 | 1977-07-01 |
-
1976
- 1976-01-22 US US05/651,306 patent/US4013920A/en not_active Expired - Lifetime
-
1977
- 1977-01-20 JP JP446177A patent/JPS5291578A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4013920A (en) | 1977-03-22 |
| JPS5291578A (en) | 1977-08-02 |