NL7211556A - - Google Patents
Info
- Publication number
- NL7211556A NL7211556A NL7211556A NL7211556A NL7211556A NL 7211556 A NL7211556 A NL 7211556A NL 7211556 A NL7211556 A NL 7211556A NL 7211556 A NL7211556 A NL 7211556A NL 7211556 A NL7211556 A NL 7211556A
- Authority
- NL
- Netherlands
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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7131146A FR2151459A5 (xx) | 1971-08-27 | 1971-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7211556A true NL7211556A (xx) | 1973-03-01 |
Family
ID=9082275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7211556A NL7211556A (xx) | 1971-08-27 | 1972-08-24 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4840284A (xx) |
| CA (1) | CA976937A (xx) |
| DE (1) | DE2241903A1 (xx) |
| ES (1) | ES398171A1 (xx) |
| FR (1) | FR2151459A5 (xx) |
| IT (1) | IT941122B (xx) |
| NL (1) | NL7211556A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4789923A (en) * | 1986-12-23 | 1988-12-06 | Hubbell Incorporated | Reflector for roadway lighting luminaire |
| US4694382A (en) * | 1986-12-23 | 1987-09-15 | Hubbell Incorporated | Reflector for roadway lighting luminaire |
| RU2626379C1 (ru) * | 2016-05-31 | 2017-07-26 | Цезарь Иванович Калинин | Способ установки светильников для равномерного освещения участка поверхности |
-
1971
- 1971-08-27 FR FR7131146A patent/FR2151459A5/fr not_active Expired
- 1971-11-10 IT IT30920/71A patent/IT941122B/it active
- 1971-12-10 ES ES398171A patent/ES398171A1/es not_active Expired
-
1972
- 1972-03-01 CA CA135,996A patent/CA976937A/en not_active Expired
- 1972-08-24 NL NL7211556A patent/NL7211556A/xx not_active Application Discontinuation
- 1972-08-25 DE DE2241903A patent/DE2241903A1/de active Pending
- 1972-08-28 JP JP47086113A patent/JPS4840284A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA976937A (en) | 1975-10-28 |
| IT941122B (it) | 1973-03-01 |
| FR2151459A5 (xx) | 1973-04-20 |
| ES398171A1 (es) | 1974-08-16 |
| DE2241903A1 (de) | 1973-03-15 |
| JPS4840284A (xx) | 1973-06-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |