JPH01119156U - - Google Patents
Info
- Publication number
- JPH01119156U JPH01119156U JP1304288U JP1304288U JPH01119156U JP H01119156 U JPH01119156 U JP H01119156U JP 1304288 U JP1304288 U JP 1304288U JP 1304288 U JP1304288 U JP 1304288U JP H01119156 U JPH01119156 U JP H01119156U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- view
- lamp
- reflecting mirror
- explanatory diagram
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図乃至第４図は本考案に係るバルブの一実
施例を示し、第１図は正面図、第２図はフイラメ
ントの正面図、第３図は反射鏡からの出射パター
ンを示した説明図、第４図は前方に投射された配
光パターンを示した説明図である。第５図乃至第
７図はプロジエクタ型前照灯を示し、第５図は平
面図、第６図は側面図、第７図は正面図である。
第８図は従来のバルブによる配光パターンを等照
度曲線で示す説明図である。第９図乃至第１２図
は従来のバルブを示し、第９図は正面図、第１０
図はフイラメントの正面図、第１１図は反射鏡か
らの出射パターンを示した説明図、第１２図は前
方に投射された配光パターンを示した説明図であ
る。
１……凹面鏡（反射鏡）、２……バルブ、２７
……フイラメント、Ｆ……焦点、Ｚ……光軸。
Figures 1 to 4 show an embodiment of the bulb according to the present invention, where Figure 1 is a front view, Figure 2 is a front view of the filament, and Figure 3 is an explanation showing the emission pattern from the reflecting mirror. FIG. 4 is an explanatory diagram showing a light distribution pattern projected forward. 5 to 7 show a projector type headlamp, in which FIG. 5 is a plan view, FIG. 6 is a side view, and FIG. 7 is a front view.
FIG. 8 is an explanatory diagram showing a light distribution pattern by a conventional bulb using an isoluminous curve. Figures 9 to 12 show conventional valves, with Figure 9 being a front view and Figure 10 being a front view.
The figure is a front view of the filament, FIG. 11 is an explanatory diagram showing the emission pattern from the reflecting mirror, and FIG. 12 is an explanatory diagram showing the light distribution pattern projected forward. 1... Concave mirror (reflector), 2... Bulb, 27
...Filament, F...focal point, Z...optical axis.
Claims (1)
イラメントが直交するように配設されるバルブに
おいて、前記フイラメントが紡錘形をなすことを
特徴とするバルブ。 1. A bulb disposed in a lamp such that the filament is perpendicular to an optical axis of a reflecting mirror of the lamp, wherein the filament has a spindle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1304288U JPH01119156U (en) | 1988-02-04 | 1988-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1304288U JPH01119156U (en) | 1988-02-04 | 1988-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119156U true JPH01119156U (en) | 1989-08-11 |
Family
ID=31223017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1304288U Pending JPH01119156U (en) | 1988-02-04 | 1988-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119156U (en) |
-
1988
- 1988-02-04 JP JP1304288U patent/JPH01119156U/ja active Pending