NL6602311A - - Google Patents
Info
- Publication number
- NL6602311A NL6602311A NL6602311A NL6602311A NL6602311A NL 6602311 A NL6602311 A NL 6602311A NL 6602311 A NL6602311 A NL 6602311A NL 6602311 A NL6602311 A NL 6602311A NL 6602311 A NL6602311 A NL 6602311A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US435589A US3325679A (en) | 1965-02-26 | 1965-02-26 | Electric projection lamp having specially configurated envelope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6602311A true NL6602311A (de) | 1966-08-29 |
Family
ID=23728998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6602311A NL6602311A (de) | 1965-02-26 | 1966-02-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3325679A (de) |
| DE (1) | DE1299905B (de) |
| GB (1) | GB1113407A (de) |
| NL (1) | NL6602311A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3530326A (en) * | 1968-09-25 | 1970-09-22 | Westinghouse Electric Corp | Electric incandescent projection lamp having an improved dual-filament mount assembly,and method of making such assemblies |
| CN103762154A (zh) * | 2013-12-05 | 2014-04-30 | 詹云翔 | 一种检测用锥形灯具 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070723A (en) * | 1960-01-21 | 1962-12-25 | Sylvania Electric Prod | Projection lamp |
-
1965
- 1965-02-26 US US435589A patent/US3325679A/en not_active Expired - Lifetime
-
1966
- 1966-02-04 GB GB4926/66A patent/GB1113407A/en not_active Expired
- 1966-02-17 DE DEG46060A patent/DE1299905B/de active Pending
- 1966-02-23 NL NL6602311A patent/NL6602311A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1299905B (de) | 1969-07-24 |
| US3325679A (en) | 1967-06-13 |
| GB1113407A (en) | 1968-05-15 |