JPH0366151U - - Google Patents

Info

Publication number
JPH0366151U
JPH0366151U JP12568189U JP12568189U JPH0366151U JP H0366151 U JPH0366151 U JP H0366151U JP 12568189 U JP12568189 U JP 12568189U JP 12568189 U JP12568189 U JP 12568189U JP H0366151 U JPH0366151 U JP H0366151U
Authority
JP
Japan
Prior art keywords
axis
filament
envelope
light bulb
reflecting mirror
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
Application number
JP12568189U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12568189U priority Critical patent/JPH0366151U/ja
Publication of JPH0366151U publication Critical patent/JPH0366151U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例の断面図である。 １……白熱電球、１０……ベース、１１……封
体、１２……ピンチシール部、１５Ａ……第１フ
イラメント、１５Ｂ……第２フイラメント、２…
…凹面反射鏡、Ｌ……光軸、Ｆ……焦点。 FIG. 1 is a sectional view of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Incandescent light bulb, 10... Base, 11... Envelope, 12... Pinch seal part, 15A... First filament, 15B... Second filament, 2...
...Concave reflector, L...Optical axis, F...Focus.

Claims (1)

【実用新案登録請求の範囲】 封体の軸線に対して直交する複数個のフイラメ
ントが平行に配置された白熱電球と、封体の軸線
を光軸に一致させて白熱電球を取り囲むように配
設された凹面反射鏡とからなり、 前記フイラメントを切り替えて点灯することに
より、点灯しているフイラメントと凹面反射鏡の
焦点との距離を可変としたことを特徴とする照明
装置。[Claims for Utility Model Registration] An incandescent light bulb in which a plurality of filaments perpendicular to the axis of the envelope are arranged in parallel, and the axis of the envelope is arranged to surround the incandescent light bulb so that it coincides with the optical axis. 1. An illumination device comprising: a concave reflecting mirror, the filament being switched on and turned on to make the distance between the lit filament and the focal point of the concave reflecting mirror variable.
JP12568189U 1989-10-30 1989-10-30 Pending JPH0366151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12568189U JPH0366151U (en) 1989-10-30 1989-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12568189U JPH0366151U (en) 1989-10-30 1989-10-30

Publications (1)

Publication Number Publication Date
JPH0366151U true JPH0366151U (en) 1991-06-27

Family

ID=31673543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12568189U Pending JPH0366151U (en) 1989-10-30 1989-10-30

Country Status (1)

Country Link
JP (1) JPH0366151U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002008413A (en) * 2000-06-23 2002-01-11 Stanley Electric Co Ltd Lamp equipment for vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136459U (en) * 1974-09-10 1976-03-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136459U (en) * 1974-09-10 1976-03-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002008413A (en) * 2000-06-23 2002-01-11 Stanley Electric Co Ltd Lamp equipment for vehicle

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