JPS51109180A - - Google Patents
Info
- Publication number
- JPS51109180A JPS51109180A JP51019347A JP1934776A JPS51109180A JP S51109180 A JPS51109180 A JP S51109180A JP 51019347 A JP51019347 A JP 51019347A JP 1934776 A JP1934776 A JP 1934776A JP S51109180 A JPS51109180 A JP S51109180A
- 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
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/552,148 US4004145A (en) | 1975-02-24 | 1975-02-24 | Nil-luminance lighting panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS51109180A true JPS51109180A (https=) | 1976-09-27 |
Family
ID=24204119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51019347A Pending JPS51109180A (https=) | 1975-02-24 | 1976-02-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4004145A (https=) |
| JP (1) | JPS51109180A (https=) |
| DE (1) | DE2607415A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819804A (ja) * | 1981-07-28 | 1983-02-05 | 株式会社東芝 | 照明装置 |
| CN102720985B (zh) * | 2011-03-30 | 2015-05-06 | 海洋王照明科技股份有限公司 | 一种具有防呆结构的机场立式进近灯 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920964A (https=) * | 1972-04-20 | 1974-02-23 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288990A (en) * | 1964-09-25 | 1966-11-29 | K S H Plastics Inc | Panel |
| US3265804A (en) * | 1965-10-27 | 1966-08-09 | Holophane Co Inc | Radiation shielding light transmitter |
| GB1173408A (en) * | 1967-05-31 | 1969-12-10 | Hagner Bo Anders V | Directional Control Device for a Source of Light |
| US3721818A (en) * | 1970-05-18 | 1973-03-20 | Ksh Inc | Ceiling mounted luminaire and light-transmitting enclosure therefor |
| BE787114A (fr) * | 1971-08-05 | 1973-02-05 | Emerson Electric Co | Lentille prismatique pour appareil d'eclairage |
-
1975
- 1975-02-24 US US05/552,148 patent/US4004145A/en not_active Expired - Lifetime
-
1976
- 1976-02-24 JP JP51019347A patent/JPS51109180A/ja active Pending
- 1976-02-24 DE DE19762607415 patent/DE2607415A1/de active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920964A (https=) * | 1972-04-20 | 1974-02-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4004145A (en) | 1977-01-18 |
| DE2607415A1 (de) | 1976-09-02 |