JPH02142801U - - Google Patents
Info
- Publication number
- JPH02142801U JPH02142801U JP1990042551U JP4255190U JPH02142801U JP H02142801 U JPH02142801 U JP H02142801U JP 1990042551 U JP1990042551 U JP 1990042551U JP 4255190 U JP4255190 U JP 4255190U JP H02142801 U JPH02142801 U JP H02142801U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- optical axis
- contour
- conic
- shaped
- Prior art date
- 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
- 238000005286 illumination Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 claims 3
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
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803027774 DE3027774A1 (de) | 1980-07-22 | 1980-07-22 | Reflektor zur ausleuchtung einer flaeche |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02142801U true JPH02142801U ( ) | 1990-12-04 |
JPH0514243Y2 JPH0514243Y2 ( ) | 1993-04-16 |
Family
ID=6107828
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56113804A Pending JPS5753707A (en) | 1980-07-22 | 1981-07-22 | Reflecting mirror for planar illumination |
JP1990042551U Expired - Lifetime JPH0514243Y2 ( ) | 1980-07-22 | 1990-04-23 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56113804A Pending JPS5753707A (en) | 1980-07-22 | 1981-07-22 | Reflecting mirror for planar illumination |
Country Status (4)
Country | Link |
---|---|
US (1) | US4428038A ( ) |
JP (2) | JPS5753707A ( ) |
DE (1) | DE3027774A1 ( ) |
GB (1) | GB2080968B ( ) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4545000A (en) * | 1983-10-03 | 1985-10-01 | Gte Products Corporation | Projection lamp unit |
FR2600024B1 (fr) * | 1986-06-17 | 1988-10-21 | Cibie Projecteurs | Projecteur additionnel a un projecteur de croisement pour vehicule automobile |
SE500233C2 (sv) * | 1989-06-16 | 1994-05-09 | Swedish Airport Technology Han | Armatur för nedsänkt banljus |
US5622427A (en) * | 1993-09-03 | 1997-04-22 | Simplex Time Recorder Company | Emergency strobe light |
US5607229A (en) * | 1995-04-03 | 1997-03-04 | Radiant Imaging Inc. | Illumination system including an asymmetrical projection reflector |
CA2200511C (en) * | 1996-03-20 | 2001-02-06 | Myron K. Gordin | Increased efficiency light fixture, reflector and method |
US6203176B1 (en) | 1998-12-14 | 2001-03-20 | Musco Corporation | Increased efficiency light fixture, reflector, and method |
US6619821B1 (en) * | 1999-04-14 | 2003-09-16 | Genlyte Thomas Group Llc | High efficiency asymmetrical optical assembly |
US7273301B2 (en) | 2004-05-06 | 2007-09-25 | Genlyte Thomas Group, Llc | Luminaire construction |
US7607794B1 (en) | 2006-08-18 | 2009-10-27 | Genlyte Thomas Group Llc | Recessed wall-wash kick reflector |
US7722208B1 (en) | 2007-09-30 | 2010-05-25 | Genlyte Thomas Group, Llc | Recessed luminaire trim assembly |
WO2009077008A1 (de) * | 2007-12-18 | 2009-06-25 | Osram Gesellschaft mit beschränkter Haftung | Elektrische reflektorlampe mit zwei im wesentlichen parallelen leuchtkörper-abschnitten |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4894287A ( ) * | 1972-03-13 | 1973-12-05 | ||
JPS4929657A ( ) * | 1972-07-11 | 1974-03-16 | ||
US4208704A (en) * | 1977-06-17 | 1980-06-17 | Lucas Industries Limited | Lamp reflector for a motor vehicle |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE423470C (de) * | 1925-04-01 | 1926-01-05 | Erich Am Ende Fa | Reflektor fuer Leuchtkoerper |
US3825742A (en) * | 1973-01-02 | 1974-07-23 | Gte Sylvania Inc | Lamp unit with controlled-diffusion reflector and method of making the reflector |
DE2406418A1 (de) * | 1974-02-11 | 1975-08-14 | Patra Patent Treuhand | Reflektor mit radialen rillen und verfahren zur herstellung |
JPS5117239A (ja) * | 1974-08-02 | 1976-02-12 | Seiko Instr & Electronics | Ekishoretsukaboshipanerugarasu |
US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
US4035631A (en) * | 1975-12-15 | 1977-07-12 | General Electric Company | Projector lamp reflector |
DE2815171A1 (de) * | 1978-04-07 | 1979-10-18 | Patra Patent Treuhand | Film- und fotoaufnahmeleuchte |
-
1980
- 1980-07-22 DE DE19803027774 patent/DE3027774A1/de active Granted
-
1981
- 1981-06-19 US US06/275,150 patent/US4428038A/en not_active Expired - Lifetime
- 1981-07-20 GB GB8122302A patent/GB2080968B/en not_active Expired
- 1981-07-22 JP JP56113804A patent/JPS5753707A/ja active Pending
-
1990
- 1990-04-23 JP JP1990042551U patent/JPH0514243Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4894287A ( ) * | 1972-03-13 | 1973-12-05 | ||
JPS4929657A ( ) * | 1972-07-11 | 1974-03-16 | ||
US4208704A (en) * | 1977-06-17 | 1980-06-17 | Lucas Industries Limited | Lamp reflector for a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE3027774A1 (de) | 1982-02-18 |
GB2080968B (en) | 1984-07-11 |
DE3027774C2 ( ) | 1992-03-05 |
GB2080968A (en) | 1982-02-10 |
US4428038A (en) | 1984-01-24 |
JPH0514243Y2 ( ) | 1993-04-16 |
JPS5753707A (en) | 1982-03-30 |