NL42087C - - Google Patents
Info
- Publication number
- NL42087C NL42087C NL42087DA NL42087C NL 42087 C NL42087 C NL 42087C NL 42087D A NL42087D A NL 42087DA NL 42087 C NL42087 C NL 42087C
- Authority
- NL
- Netherlands
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE433589X | 1933-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42087C true NL42087C (de) |
Family
ID=6500654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL42087D NL42087C (de) | 1933-11-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2020708A (de) |
| FR (2) | FR433589A (de) |
| GB (1) | GB433589A (de) |
| NL (1) | NL42087C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2645665C2 (de) * | 1976-10-09 | 1983-01-27 | Erco Leuchten GmbH, 5880 Lüdenscheid | Leuchte |
| NL7810672A (nl) * | 1978-10-26 | 1980-04-29 | Philips Nv | Lagedrukkwikdampontladingslamp. |
| GB2137407B (en) * | 1983-03-24 | 1986-09-24 | Emi Plc Thorn | Low pressure discharge lamps |
| DE3535881A1 (de) * | 1985-10-08 | 1987-04-16 | Preh Elektro Feinmechanik | Beleuchtungseinrichtung fuer eine frontplatte |
-
0
- NL NL42087D patent/NL42087C/xx active
-
1911
- 1911-08-25 FR FR433589A patent/FR433589A/fr not_active Expired
-
1934
- 1934-10-30 US US750714A patent/US2020708A/en not_active Expired - Lifetime
- 1934-11-02 FR FR780700D patent/FR780700A/fr not_active Expired
- 1934-11-05 GB GB31731/34A patent/GB433589A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR780700A (fr) | 1935-04-30 |
| US2020708A (en) | 1935-11-12 |
| GB433589A (en) | 1935-08-16 |
| FR433589A (fr) | 1912-01-10 |