JPS534754B2 - - Google Patents
Info
- Publication number
- JPS534754B2 JPS534754B2 JP4685373A JP4685373A JPS534754B2 JP S534754 B2 JPS534754 B2 JP S534754B2 JP 4685373 A JP4685373 A JP 4685373A JP 4685373 A JP4685373 A JP 4685373A JP S534754 B2 JPS534754 B2 JP S534754B2
- Authority
- JP
- Japan
- 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
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2049672A GB1401294A (en) | 1972-05-03 | 1972-05-03 | Luminaires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4948181A JPS4948181A (en) | 1974-05-10 |
| JPS534754B2 true JPS534754B2 (en) | 1978-02-20 |
Family
ID=10146844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4685373A Expired JPS534754B2 (en) | 1972-05-03 | 1973-04-26 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS534754B2 (en) |
| GB (1) | GB1401294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619961Y2 (en) * | 1980-11-29 | 1986-03-31 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5070778U (en) * | 1973-10-31 | 1975-06-23 | ||
| JPS5835865B2 (en) * | 1974-12-07 | 1983-08-05 | 旭ダウ株式会社 | shinkirenzokuseikeikouzoutainarabini sonoseizohou |
| DE3408893A1 (en) * | 1984-03-10 | 1985-09-12 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg | Luminaire housing |
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1972
- 1972-05-03 GB GB2049672A patent/GB1401294A/en not_active Expired
-
1973
- 1973-04-26 JP JP4685373A patent/JPS534754B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619961Y2 (en) * | 1980-11-29 | 1986-03-31 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1401294A (en) | 1975-07-16 |
| JPS4948181A (en) | 1974-05-10 |