NL6404941A - - Google Patents
Info
- Publication number
- NL6404941A NL6404941A NL6404941A NL6404941A NL6404941A NL 6404941 A NL6404941 A NL 6404941A NL 6404941 A NL6404941 A NL 6404941A NL 6404941 A NL6404941 A NL 6404941A NL 6404941 A NL6404941 A NL 6404941A
- 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
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
- H01K1/325—Reflecting coating
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6404941A NL6404941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-05-05 | 1964-05-05 | |
| US448599A US3344303A (en) | 1964-05-05 | 1965-04-16 | Electric incandescent lamp having two incandescent bodies with a reflector for each |
| GB18289/65A GB1039215A (en) | 1964-05-05 | 1965-04-30 | Improvements in and relating to electric incandescent lamps |
| FR15553A FR1432242A (fr) | 1964-05-05 | 1965-05-03 | Lampe à incandescence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6404941A NL6404941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-05-05 | 1964-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6404941A true NL6404941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-11-08 |
Family
ID=19790001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6404941A NL6404941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-05-05 | 1964-05-05 |
Country Status (3)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL184651C (nl) * | 1979-02-26 | 1989-09-18 | Philips Nv | Elektrische gloeilamp. |
| EP1652214B1 (en) * | 2003-07-28 | 2007-08-22 | Koninklijke Philips Electronics N.V. | Electric lamp |
| DE102004023935A1 (de) * | 2004-05-12 | 2005-12-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Glühwendel für eine Glühlampe und Glühlampe |
| DE102004033117A1 (de) * | 2004-07-08 | 2006-01-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Halogenglühlampe |
| DE102005045644A1 (de) * | 2005-09-23 | 2007-03-29 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrische Lampe mit Haltenoppen für den Leuchtkörper |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB253826A (en) * | 1925-03-09 | 1926-06-24 | Bruno Claus | Improvements relating to electric incandescent lamps |
| DE687646C (de) * | 1933-02-22 | 1940-02-02 | Louis Rivier | Projektionslampenanordnung |
| US3174067A (en) * | 1960-07-21 | 1965-03-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Construction for projection lamps eliminating undesired infrared radiation |
-
1964
- 1964-05-05 NL NL6404941A patent/NL6404941A/xx unknown
-
1965
- 1965-04-16 US US448599A patent/US3344303A/en not_active Expired - Lifetime
- 1965-04-30 GB GB18289/65A patent/GB1039215A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1039215A (en) | 1966-08-17 |
| US3344303A (en) | 1967-09-26 |