GB2154741B - Illumination device - Google Patents
Illumination deviceInfo
- Publication number
- GB2154741B GB2154741B GB08504597A GB8504597A GB2154741B GB 2154741 B GB2154741 B GB 2154741B GB 08504597 A GB08504597 A GB 08504597A GB 8504597 A GB8504597 A GB 8504597A GB 2154741 B GB2154741 B GB 2154741B
- Authority
- GB
- United Kingdom
- Prior art keywords
- illumination device
- illumination
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Measuring Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8404768 | 1984-02-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8504597D0 GB8504597D0 (en) | 1985-03-27 |
GB2154741A GB2154741A (en) | 1985-09-11 |
GB2154741B true GB2154741B (en) | 1987-11-25 |
Family
ID=10557079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08504597A Expired GB2154741B (en) | 1984-02-23 | 1985-02-22 | Illumination device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2154741B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0515057Y2 (en) * | 1985-08-27 | 1993-04-21 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB888255A (en) * | ||||
US3561145A (en) * | 1968-03-05 | 1971-02-09 | United States Radium Corp | Light distributing lens system |
GB1264142A (en) * | 1968-03-18 | 1972-02-16 | ||
US4460940A (en) * | 1981-11-07 | 1984-07-17 | Kei Mori | Apparatus for uniform illumination employing light diffuser |
-
1985
- 1985-02-22 GB GB08504597A patent/GB2154741B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8504597D0 (en) | 1985-03-27 |
GB2154741A (en) | 1985-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20000222 |