JPS5330336U - - Google Patents
Info
- Publication number
- JPS5330336U JPS5330336U JP1977110542U JP11054277U JPS5330336U JP S5330336 U JPS5330336 U JP S5330336U JP 1977110542 U JP1977110542 U JP 1977110542U JP 11054277 U JP11054277 U JP 11054277U JP S5330336 U JPS5330336 U JP S5330336U
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7609323A NL7609323A (nl) | 1976-08-23 | 1976-08-23 | Lampreflektoreenheid. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5330336U true JPS5330336U (enExample) | 1978-03-15 |
Family
ID=19826776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977110542U Pending JPS5330336U (enExample) | 1976-08-23 | 1977-08-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4181930A (enExample) |
| JP (1) | JPS5330336U (enExample) |
| BE (1) | BE858009A (enExample) |
| DE (1) | DE7724857U1 (enExample) |
| FR (1) | FR2363052A1 (enExample) |
| GB (1) | GB1534203A (enExample) |
| NL (1) | NL7609323A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285034A (en) * | 1979-06-13 | 1981-08-18 | Johns-Manville Corporation | Enclosed industrial luminaire |
| DE3043585A1 (de) * | 1980-11-19 | 1982-06-03 | Reweku Gernot Fischer GmbH, 6000 Frankfurt | Reflektor fuer gluehlampen |
| US4754377A (en) * | 1986-02-21 | 1988-06-28 | Thomas Industries, Inc. | Thermally protected recessed lighting fixture |
| US4910651A (en) * | 1988-08-23 | 1990-03-20 | Thomas Industries Inc. | High wattage insulated ceiling lighting fixture |
| US11480314B2 (en) * | 2020-02-12 | 2022-10-25 | Mark J. Perlin | Light collimation assembly and light emitting devices |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3414762A (en) * | 1968-01-18 | 1968-12-03 | Wyzykowski Leo | Filament lamp with base stem adaptable for connection to different sockets |
-
1976
- 1976-08-23 NL NL7609323A patent/NL7609323A/xx not_active Application Discontinuation
-
1977
- 1977-08-10 US US05/823,401 patent/US4181930A/en not_active Expired - Lifetime
- 1977-08-10 DE DE7724857U patent/DE7724857U1/de not_active Expired
- 1977-08-19 GB GB34891/77A patent/GB1534203A/en not_active Expired
- 1977-08-20 JP JP1977110542U patent/JPS5330336U/ja active Pending
- 1977-08-22 BE BE180351A patent/BE858009A/xx unknown
- 1977-08-22 FR FR7725547A patent/FR2363052A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7609323A (nl) | 1978-02-27 |
| US4181930A (en) | 1980-01-01 |
| GB1534203A (en) | 1978-11-29 |
| FR2363052A1 (fr) | 1978-03-24 |
| BE858009A (fr) | 1978-02-22 |
| DE7724857U1 (de) | 1978-02-16 |