GB1517451A - Discharge-type projection lamps - Google Patents
Discharge-type projection lampsInfo
- Publication number
- GB1517451A GB1517451A GB130776A GB130776A GB1517451A GB 1517451 A GB1517451 A GB 1517451A GB 130776 A GB130776 A GB 130776A GB 130776 A GB130776 A GB 130776A GB 1517451 A GB1517451 A GB 1517451A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- discharge
- tube
- jan
- type projection
- Prior art date
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- 239000002131 composite material Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- -1 silicate compound Chemical class 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7501078A FR2298186A1 (fr) | 1975-01-15 | 1975-01-15 | Lampe de protection du type a decharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1517451A true GB1517451A (en) | 1978-07-12 |
Family
ID=9149794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB130776A Expired GB1517451A (en) | 1975-01-15 | 1976-01-14 | Discharge-type projection lamps |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE837364A (enExample) |
| CH (1) | CH607324A5 (enExample) |
| DE (1) | DE2600423C3 (enExample) |
| DK (1) | DK139885B (enExample) |
| ES (1) | ES444489A1 (enExample) |
| FR (1) | FR2298186A1 (enExample) |
| GB (1) | GB1517451A (enExample) |
| IE (1) | IE41998B1 (enExample) |
| IT (1) | IT1055799B (enExample) |
| LU (1) | LU74180A1 (enExample) |
| NL (1) | NL7600112A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2169440A (en) * | 1984-12-14 | 1986-07-09 | Matsushita Electric Works Ltd | High pressure discharge lamp |
-
1975
- 1975-01-15 FR FR7501078A patent/FR2298186A1/fr active Granted
-
1976
- 1976-01-07 NL NL7600112A patent/NL7600112A/xx not_active Application Discontinuation
- 1976-01-07 BE BE163355A patent/BE837364A/xx unknown
- 1976-01-08 DE DE19762600423 patent/DE2600423C3/de not_active Expired
- 1976-01-13 IE IE5376A patent/IE41998B1/en unknown
- 1976-01-13 LU LU74180A patent/LU74180A1/xx unknown
- 1976-01-14 IT IT6708776A patent/IT1055799B/it active
- 1976-01-14 CH CH41376A patent/CH607324A5/xx not_active IP Right Cessation
- 1976-01-14 ES ES444489A patent/ES444489A1/es not_active Expired
- 1976-01-14 GB GB130776A patent/GB1517451A/en not_active Expired
- 1976-01-14 DK DK13876A patent/DK139885B/da unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2169440A (en) * | 1984-12-14 | 1986-07-09 | Matsushita Electric Works Ltd | High pressure discharge lamp |
| GB2169440B (en) * | 1984-12-14 | 1989-08-16 | Matsushita Electric Works Ltd | High pressure discharge lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2600423C3 (de) | 1979-04-12 |
| DE2600423B2 (de) | 1978-08-10 |
| DK13876A (enExample) | 1976-07-16 |
| DK139885B (da) | 1979-05-07 |
| IT1055799B (it) | 1982-01-11 |
| DK139885C (enExample) | 1979-10-08 |
| IE41998L (en) | 1976-07-15 |
| CH607324A5 (enExample) | 1978-12-15 |
| ES444489A1 (es) | 1977-05-16 |
| IE41998B1 (en) | 1980-05-07 |
| DE2600423A1 (de) | 1976-07-22 |
| BE837364A (fr) | 1976-05-03 |
| NL7600112A (nl) | 1976-07-19 |
| FR2298186A1 (fr) | 1976-08-13 |
| FR2298186B1 (enExample) | 1978-02-03 |
| LU74180A1 (enExample) | 1976-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE43936L (en) | Electrodeless fluorescent lamp | |
| JPS57174847A (en) | Fluorescent discharge lamp | |
| ES477633A1 (es) | Una lampara de descarga en vapor de mercurio de baja presion | |
| CA2225832A1 (en) | Fluorescent lamp of the exterior electrode type as well as radiation unit | |
| GB1212010A (en) | Arc discharge lamps | |
| GB1058103A (en) | Improvements in or relating to fluorescent lamps | |
| KR890007357A (ko) | 열음극형 저압의 개스방전형광램프 | |
| GB1517451A (en) | Discharge-type projection lamps | |
| DE3784144D1 (de) | Einseitig gequetschte hochdruckentladungslampe. | |
| GB852783A (en) | Improvements in or relating to high pressure mercury vapour electric discharge lamps | |
| JPS6481159A (en) | Fluorescent lamp for display | |
| JPS567343A (en) | Fluorescent lamp | |
| FR2341942A1 (fr) | Lampe fluorescente a effet directif | |
| JPS57132665A (en) | Fluorescent lamp | |
| SE8200110L (sv) | Hogtrycks-natriumanglampa | |
| JPS56103859A (en) | Cold cathode discharge tube | |
| JPS55137660A (en) | Fluorescent lamp | |
| JPS54135466A (en) | Fluorescent lamp | |
| JPS56134468A (en) | Fluorescent lamp | |
| JPS57157450A (en) | Metal halide lamp | |
| KR850006249A (ko) | 형 광 램 프 | |
| JPS5346181A (en) | Bulb type fluorescent discharge lamp | |
| JPS57118359A (en) | Planar fluorescent lamp | |
| JPS57197741A (en) | Fluorescent lamp | |
| JPS55144646A (en) | Small fluorescent lamp of high intensity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |