GB2240167B - Light source - Google Patents
Light sourceInfo
- Publication number
- GB2240167B GB2240167B GB9001052A GB9001052A GB2240167B GB 2240167 B GB2240167 B GB 2240167B GB 9001052 A GB9001052 A GB 9001052A GB 9001052 A GB9001052 A GB 9001052A GB 2240167 B GB2240167 B GB 2240167B
- Authority
- GB
- United Kingdom
- Prior art keywords
- light source
- source
- light
- 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 - Fee Related
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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9001052A GB2240167B (en) | 1990-01-17 | 1990-01-17 | Light source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9001052A GB2240167B (en) | 1990-01-17 | 1990-01-17 | Light source |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9001052D0 GB9001052D0 (en) | 1990-03-14 |
GB2240167A GB2240167A (en) | 1991-07-24 |
GB2240167B true GB2240167B (en) | 1993-06-23 |
Family
ID=10669442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9001052A Expired - Fee Related GB2240167B (en) | 1990-01-17 | 1990-01-17 | Light source |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2240167B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10151978A1 (en) * | 2001-10-22 | 2003-04-30 | Berchtold Holding Gmbh | surgical light |
-
1990
- 1990-01-17 GB GB9001052A patent/GB2240167B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9001052D0 (en) | 1990-03-14 |
GB2240167A (en) | 1991-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950117 |