GB9006417D0 - Improved reflector lamp unit construction - Google Patents
Improved reflector lamp unit constructionInfo
- Publication number
- GB9006417D0 GB9006417D0 GB909006417A GB9006417A GB9006417D0 GB 9006417 D0 GB9006417 D0 GB 9006417D0 GB 909006417 A GB909006417 A GB 909006417A GB 9006417 A GB9006417 A GB 9006417A GB 9006417 D0 GB9006417 D0 GB 9006417D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp unit
- unit construction
- reflector lamp
- improved reflector
- improved
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
-
- 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
- F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32840089A | 1989-03-24 | 1989-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9006417D0 true GB9006417D0 (en) | 1990-05-23 |
GB2231717A GB2231717A (en) | 1990-11-21 |
Family
ID=23280818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9006417A Withdrawn GB2231717A (en) | 1989-03-24 | 1990-03-22 | Improved reflector lamp unit construction |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0315149A (en) |
DE (1) | DE4008817A1 (en) |
FR (1) | FR2644933A1 (en) |
GB (1) | GB2231717A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69725274T2 (en) * | 1996-06-12 | 2004-07-22 | Koninklijke Philips Electronics N.V. | ELECTRIC LAMP |
WO1997047920A1 (en) * | 1996-06-12 | 1997-12-18 | Philips Electronics N.V. | Luminaire |
US6147440A (en) * | 1997-09-11 | 2000-11-14 | Osram Sylvania Inc. | Low wattage lamp having formed arc tube in aluminosilicate outer jacket |
US6899994B2 (en) * | 2001-04-04 | 2005-05-31 | Kodak Polychrome Graphics Llc | On-press developable IR sensitive printing plates using binder resins having polyethylene oxide segments |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3314331A (en) * | 1965-04-29 | 1967-04-18 | Gen Electric | Photographic projection system and lamp |
US3798491A (en) * | 1972-12-18 | 1974-03-19 | Gen Electric | Rounded end halogen lamp with spiral exhaust tube and method of manufacutre |
US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
JPS58130179A (en) * | 1981-10-27 | 1983-08-03 | アドヴアンスド・テクノロジイ・インコ−ポレ−テツド | Highly adhesive coating for beryllia |
CA1245201A (en) * | 1983-10-03 | 1988-11-22 | Arnold E. Westlund, Jr. | Projection lamp unit |
US4737685A (en) * | 1986-11-17 | 1988-04-12 | General Electric Company | Seal glass composition |
-
1990
- 1990-03-07 FR FR9002880A patent/FR2644933A1/en not_active Withdrawn
- 1990-03-20 DE DE19904008817 patent/DE4008817A1/en not_active Ceased
- 1990-03-22 GB GB9006417A patent/GB2231717A/en not_active Withdrawn
- 1990-03-23 JP JP7229090A patent/JPH0315149A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE4008817A1 (en) | 1990-09-27 |
GB2231717A (en) | 1990-11-21 |
FR2644933A1 (en) | 1990-09-28 |
JPH0315149A (en) | 1991-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |