JPH0440403U - - Google Patents

Info

Publication number
JPH0440403U
JPH0440403U JP8286390U JP8286390U JPH0440403U JP H0440403 U JPH0440403 U JP H0440403U JP 8286390 U JP8286390 U JP 8286390U JP 8286390 U JP8286390 U JP 8286390U JP H0440403 U JPH0440403 U JP H0440403U
Authority
JP
Japan
Prior art keywords
view
reflector
showing
cylindrical prism
light distribution
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.)
Granted
Application number
JP8286390U
Other languages
Japanese (ja)
Other versions
JP2516564Y2 (en
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 JP1990082863U priority Critical patent/JP2516564Y2/en
Publication of JPH0440403U publication Critical patent/JPH0440403U/ja
Application granted granted Critical
Publication of JP2516564Y2 publication Critical patent/JP2516564Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案に係る配光可変型車両用前照灯
の第一の実施例を示す灯具の略縦断面図、第２図
は同リフレクタの正面図、第３図は同フイラメン
ト部の拡大断面図、第４図は筒状プリズムフイル
タの斜視図、第５図及び第６図は第一の実施例に
おけるサブビームとメインビームの形成作用を示
す説明図、第７図は本考案の第二の実施例を示す
灯具の略縦断面図、第８図は同フイラメント部の
拡大断面図、第９図は筒状プリズムフイルタとシ
エードの斜視図、第１０図及び第１１図は第二の
実施例におけるサブビームとメインビームの形成
作用を示す説明図、第１２図は第二の実施例を示
す灯具の略縦断面図、第１３図は同リフレクタの
正面図、第１４図は同フイラメント部の拡大断面
図、第１５図及び第１６図は本考案の第三の実施
例におけるサブビームとメインビームの形成作用
を示す説明図、第１７図は自動車運行時の好まし
い配光パターンを示す説明図、第１８図は４灯型
自動車用ヘツドランプを示す斜視図である。 １……リフレクタ、１ａ……上半部放物鏡面、
１ｂ……下半部放物鏡面、１ｃ……下半右側楕円
的放物鏡面、１ｄ……下半左側楕円的放物鏡面、
２……シングルフイラメントバルブ、２ａ……フ
イラメント、４……アウタレンズ、５……筒状プ
リズムフイルタ、６……変位駆動支持機構、７…
…シエード、Ｆ，Ｆｕ，Ｆｄ，Ｆ１，Ｆ２，Ｆ３
……焦点。 FIG. 1 is a schematic vertical cross-sectional view of a lamp showing a first embodiment of a variable light distribution vehicle headlamp according to the present invention, FIG. 2 is a front view of the reflector, and FIG. 4 is a perspective view of a cylindrical prism filter, FIGS. 5 and 6 are explanatory diagrams showing the formation of sub-beams and main beams in the first embodiment, and FIG. 7 is a perspective view of a cylindrical prism filter. FIG. 8 is an enlarged sectional view of the filament part of the lamp showing the second embodiment, FIG. 9 is a perspective view of the cylindrical prism filter and shade, and FIGS. 10 and 11 are the second embodiment. An explanatory diagram showing the formation effect of the sub-beam and main beam in the embodiment, FIG. 12 is a schematic longitudinal sectional view of the lamp showing the second embodiment, FIG. 13 is a front view of the reflector, and FIG. 14 is the filament part of the same. FIG. 15 and FIG. 16 are explanatory diagrams showing the formation effect of the sub beam and main beam in the third embodiment of the present invention, and FIG. 17 is an explanatory diagram showing a preferable light distribution pattern when driving a car. , FIG. 18 is a perspective view showing a four-lamp type automobile headlamp. 1... Reflector, 1a... Upper half parabolic mirror surface,
1b...Lower half parabolic mirror surface, 1c...Lower half right elliptical parabolic mirror surface, 1d...Lower half left elliptical parabolic mirror surface,
2... Single filament valve, 2a... Filament, 4... Outer lens, 5... Cylindrical prism filter, 6... Displacement drive support mechanism, 7...
...Shied, F, Fu, Fd, F1, F2, F3
……focus.

Claims (1)

【実用新案登録請求の範囲】 リフレクタの前方に固設した灯具の光源を構成
するシングルフイラメント型のバルブの外周にプ
リズムレンズ断面を有する筒状プリズムフイルタ
を変位駆動支持機構を介して進退自在に枢設した
ことを特徴とする 配光可変型車両用前照灯。[Claim for Utility Model Registration] A cylindrical prism filter having a prism lens cross section is attached to the outer periphery of a single filament type bulb that constitutes a light source of a lamp fixed in front of a reflector. A variable light distribution vehicle headlamp characterized by:
JP1990082863U 1990-08-04 1990-08-04 Variable light distribution vehicle headlight Expired - Lifetime JP2516564Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990082863U JP2516564Y2 (en) 1990-08-04 1990-08-04 Variable light distribution vehicle headlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990082863U JP2516564Y2 (en) 1990-08-04 1990-08-04 Variable light distribution vehicle headlight

Publications (2)

Publication Number Publication Date
JPH0440403U true JPH0440403U (en) 1992-04-06
JP2516564Y2 JP2516564Y2 (en) 1996-11-06

Family

ID=31630048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990082863U Expired - Lifetime JP2516564Y2 (en) 1990-08-04 1990-08-04 Variable light distribution vehicle headlight

Country Status (1)

Country Link
JP (1) JP2516564Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014116311A (en) * 2012-12-11 2014-06-26 Ge Lighting Solutions Llc Troffer luminaire system having total internal reflection lens

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1396526A (en) * 1964-03-13 1965-04-23 Auteroche S A Electric headlamp, in particular for vehicles
US4373178A (en) * 1980-11-03 1983-02-08 Koehler Manufacturing Company Methods and apparatus for controlling reflected light
JPS6450301A (en) * 1987-08-19 1989-02-27 Stanley Electric Co Ltd Head light with variable luminous power distribution characteristics

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1396526A (en) * 1964-03-13 1965-04-23 Auteroche S A Electric headlamp, in particular for vehicles
US4373178A (en) * 1980-11-03 1983-02-08 Koehler Manufacturing Company Methods and apparatus for controlling reflected light
JPS6450301A (en) * 1987-08-19 1989-02-27 Stanley Electric Co Ltd Head light with variable luminous power distribution characteristics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014116311A (en) * 2012-12-11 2014-06-26 Ge Lighting Solutions Llc Troffer luminaire system having total internal reflection lens

Also Published As

Publication number Publication date
JP2516564Y2 (en) 1996-11-06

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