GB423049A - Improvements in or relating to electric incandescent lamps with internal reflectors - Google Patents
Improvements in or relating to electric incandescent lamps with internal reflectorsInfo
- Publication number
- GB423049A GB423049A GB21137/33A GB2113733A GB423049A GB 423049 A GB423049 A GB 423049A GB 21137/33 A GB21137/33 A GB 21137/33A GB 2113733 A GB2113733 A GB 2113733A GB 423049 A GB423049 A GB 423049A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- lamp
- lampe
- internal
- electric incandescent
- 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.)
- Expired
Links
- 102000017914 EDNRA Human genes 0.000 abstract 1
- 101150062404 EDNRA gene Proteins 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR423049X | 1932-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB423049A true GB423049A (en) | 1935-01-24 |
Family
ID=8898665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21137/33A Expired GB423049A (en) | 1932-08-08 | 1933-07-27 | Improvements in or relating to electric incandescent lamps with internal reflectors |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE397922A (enrdf_load_stackoverflow) |
FR (1) | FR753906A (enrdf_load_stackoverflow) |
GB (1) | GB423049A (enrdf_load_stackoverflow) |
NL (1) | NL37863C (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1237684B (de) * | 1958-04-18 | 1967-03-30 | Albert Masseron | Gluehlampe fuer Scheinwerfer |
-
0
- FR FR753906D patent/FR753906A/fr not_active Expired
- NL NL37863D patent/NL37863C/xx active
- BE BE397922D patent/BE397922A/xx unknown
-
1933
- 1933-07-27 GB GB21137/33A patent/GB423049A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR753906A (enrdf_load_stackoverflow) | 1933-10-26 |
BE397922A (enrdf_load_stackoverflow) | |
NL37863C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB253826A (en) | Improvements relating to electric incandescent lamps | |
GB423049A (en) | Improvements in or relating to electric incandescent lamps with internal reflectors | |
GB367135A (en) | Incandescent electric lamp for motor car headlights | |
GB521268A (en) | Improvements in or relating to headlamps for automobiles and similar vehicles | |
GB287088A (en) | Improvements in or relating to vehicle lamps | |
GB310929A (en) | Improvements in incandescent electric lamps | |
GB477758A (en) | Improvements in and relating to electric incandescent lamps | |
GB453983A (en) | Improvements in or relating to electric incandescent lamps | |
US1513715A (en) | Headlamp for automobiles | |
GB452009A (en) | Improvements in or relating to electric light illuminations | |
US1325940A (en) | Edwin f | |
GB634761A (en) | Electric lamp | |
GB429660A (en) | Improvements in or relating to electric incandescent lamps having at least one screened filament | |
GB309640A (en) | Improvements in or relating to anti-glare or anti-dazzle lamps particularly applicable for use on vehicles | |
GB429424A (en) | Improvements in or relating to electric incandescent lamps | |
GB228189A (en) | Improvements in and relating to headlamps | |
GB245139A (en) | Improvements in or relating to light reflectors | |
GB217539A (en) | Improvements in illuminating appliances | |
GB294565A (en) | Improvements in vacuum or gas filled incandescent electric lamps | |
GB200850A (en) | Improvements in incandescent electric lamps | |
GB459495A (en) | Improvements in electric lamp bulbs for motor car headlights and the like | |
GB436221A (en) | Improvements in or relating to electric incandescent lamps | |
GB372127A (en) | Improvements in and relating to light projectors | |
GB514878A (en) | Improvements in or relating to the electrical illumination of vehicles | |
GB400046A (en) | Improvements in electric headlights for motor vehicles |