JPS4948181A - - Google Patents
Info
- Publication number
- JPS4948181A JPS4948181A JP48046853A JP4685373A JPS4948181A JP S4948181 A JPS4948181 A JP S4948181A JP 48046853 A JP48046853 A JP 48046853A JP 4685373 A JP4685373 A JP 4685373A JP S4948181 A JPS4948181 A JP S4948181A
- 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.)
- Granted
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
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- 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
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- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (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 true JPS4948181A (en:Method) | 1974-05-10 |
| JPS534754B2 JPS534754B2 (en:Method) | 1978-02-20 |
Family
ID=10146844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4685373A Expired JPS534754B2 (en:Method) | 1972-05-03 | 1973-04-26 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS534754B2 (en:Method) |
| GB (1) | GB1401294A (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5070778U (en:Method) * | 1973-10-31 | 1975-06-23 | ||
| JPS5167379A (en) * | 1974-12-07 | 1976-06-10 | Asahi Dow Ltd | Shinkirenzokuseikeikozotainarabini sonoseizoho |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3408893A1 (de) * | 1984-03-10 | 1985-09-12 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg | Leuchtengehaeuse |
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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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5070778U (en:Method) * | 1973-10-31 | 1975-06-23 | ||
| JPS5167379A (en) * | 1974-12-07 | 1976-06-10 | Asahi Dow Ltd | Shinkirenzokuseikeikozotainarabini sonoseizoho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS534754B2 (en:Method) | 1978-02-20 |
| GB1401294A (en) | 1975-07-16 |