JPH0341981U - - Google Patents
Info
- Publication number
- JPH0341981U JPH0341981U JP10100289U JP10100289U JPH0341981U JP H0341981 U JPH0341981 U JP H0341981U JP 10100289 U JP10100289 U JP 10100289U JP 10100289 U JP10100289 U JP 10100289U JP H0341981 U JPH0341981 U JP H0341981U
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- light bulb
- filament
- emitting surface
- light emitting
- 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 1
- 238000010586 diagram Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 2
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図は、本考案にかかるミラー付電球の概略
構成図であり、同図Ａは断面図、同図Ｂは正面図
、第２図は、本考案の一実施例における光線追跡
図、第３図は、本考案の他の実施例にかかるミラ
ー付電球の正面図、第４図は、従来のミラー付電
球の概略構成図であり、同図Ａは断面図、同図Ｂ
は正面図、第５図は、従来のミラー付電球を光フ
アイバーと共に用い、光源を点光源と仮定した場
合の光線追跡図、第６図は、従来のミラー付電球
を光フアイバーと共に用い、かつ、フイラメント
の大きさを考慮した場合の光線追跡図である。
１０，１１０……ミラー付電球、１２，１１２
……ミラー、１１……長軸、１２……短軸、１３
……フイラメント長。
FIG. 1 is a schematic configuration diagram of a light bulb with a mirror according to the present invention; FIG. A is a sectional view, FIG. B is a front view, and FIG. 3 is a front view of a light bulb with a mirror according to another embodiment of the present invention, and FIG. 4 is a schematic diagram of a conventional light bulb with a mirror, in which figure A is a sectional view and figure B is a sectional view.
is a front view, FIG. 5 is a ray tracing diagram assuming that a conventional light bulb with a mirror is used together with an optical fiber and the light source is a point light source, and FIG. 6 is a diagram of a conventional light bulb with a mirror used together with an optical fiber, and , is a ray tracing diagram when the size of the filament is taken into account. 10,110...Light bulb with mirror, 12,112
...Mirror, 1 1 ...Long axis, 1 2 ...Short axis, 1 3
...Filament length.
Claims (1)
ミラー付電球において、 前記ミラー付電球のミラーの放光面は、略長円
状に形成され、 前記ミラーの放光面の長軸が、短軸より略フイ
ラメント長分、長いミラーを備えたことを特徴と
するミラー付電球。[Claims for Utility Model Registration] In a light bulb with a mirror in which the filament is arranged at right angles to the optical axis, the light emitting surface of the mirror of the light bulb with the mirror is formed in a substantially elliptical shape, and the light emitting surface of the mirror A light bulb with a mirror, characterized in that the long axis of the surface is longer than the short axis by approximately the length of the filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100289U JPH0341981U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100289U JPH0341981U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341981U true JPH0341981U (en) | 1991-04-22 |
Family
ID=31649978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10100289U Pending JPH0341981U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341981U (en) |
-
1989
- 1989-08-31 JP JP10100289U patent/JPH0341981U/ja active Pending