JPS59151201U

JPS59151201U - spot light

Info

Publication number: JPS59151201U
Application number: JP4815483U
Authority: JP
Inventors: 長根　優
Original assignee: 松下電工株式会社
Priority date: 1983-03-30
Filing date: 1983-03-30
Publication date: 1984-10-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来例の断面図、第２図は反射鏡に映し出され
たフィラメントを示す正面図、第３図は反射鏡の入反射
光を示す断面図、第４図はこの考案の第１の実施例の反
射鏡の概略断面図、第５図はその部分拡大断面図、第６
図はその入反射光を示す断面図、第７図は反射鏡に映し
出されたフィラメントを示す正面図、第８図は第２の実
施例の反射鏡の概略断面図、第９図はその部分拡大断面
図である。２・・・・・・ランプ、３’、３″・・・・・・反射鏡
、６・・・・・・フィラメント、８ａ、８ｂ・・・、　
＠ａ’　、　Ｊｌｂ’・・・・・・直線部、Ｑ・・・・
・・仮想曲線。Fig. 1 is a sectional view of the conventional example, Fig. 2 is a front view showing the filament reflected on the reflecting mirror, Fig. 3 is a sectional view showing the incident and reflected light of the reflecting mirror, and Fig. 4 is the first example of this invention. FIG. 5 is a partially enlarged sectional view, and FIG.
The figure is a sectional view showing the incident and reflected light, FIG. 7 is a front view showing the filament reflected on the reflecting mirror, FIG. 8 is a schematic sectional view of the reflecting mirror of the second embodiment, and FIG. 9 is its part. It is an enlarged sectional view. 2...Lamp, 3', 3''...Reflector, 6...Filament, 8a, 8b...
@a', Jlb'... Straight line part, Q...
...Virtual curve.

Claims

[Scope of utility model registration request]

A spotlight comprising a lamp having a vertically elongated filament, and a reflecting mirror which is a rotating body whose cross-sectional shape including its tip axis is formed by connecting a plurality of linear parts and which is inscribed or circumscribed in a predetermined virtual curve.