DE478325C - Headlights - Google Patents

Headlights

Info

Publication number
DE478325C
DE478325C DET34908D DET0034908D DE478325C DE 478325 C DE478325 C DE 478325C DE T34908 D DET34908 D DE T34908D DE T0034908 D DET0034908 D DE T0034908D DE 478325 C DE478325 C DE 478325C
Authority
DE
Germany
Prior art keywords
filter
light
bell
hood
rays
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.)
Expired
Application number
DET34908D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Priority to DET34908D priority Critical patent/DE478325C/en
Application granted granted Critical
Publication of DE478325C publication Critical patent/DE478325C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Description

Sabeinwerfer Die Erfindung bezieht sich auf solche Scheinwerferbeleuchtungen für Kraftfahrzeuge, bei denen zur Vermeidung oder Milderung der Blendwirkung zwischen der Lichtquelle und dem Scheinwerfer eine Glocke aus farbigem Glas angeordnet ist, so daß der Scheinwerfer nur von Strahlen getroffen wird, die durch das Lichtfilter hindurchgegangen sind und nur die unmittelbar nach vorn geworfenen Strahlen ungefiltert durch die vordere Öffnung der Filterglocke austreten.Sabeinwerfer The invention relates to such headlamps for motor vehicles where to avoid or mitigate the glare between the light source and the headlight have a bell made of colored glass, so that the headlight is only hit by rays that pass through the light filter have passed through and only the rays thrown immediately forward are unfiltered exit through the front opening of the filter bowl.

Wie Versuche ergeben haben, ist die Reichweite der gefilterten Lichtstrahlen geringer als die des weißen Kernes, dessen Beibehaltung für das rechtzeitige Erkennen etwaiger Hindernisse bei flotter Fahrt erwünscht ist, aber es erscheint doch notwendig, den Umfang dieses weißen und weittragenden Lichtkernes derart zu begrenzen, daß er zwar die Fahrbahn trifft, aber nach oben und erforderlichenfalls auch nach der Seite sich nicht ausbreiten kann.As tests have shown, is the range of the filtered light rays lower than that of the white core, its retention for timely recognition possible obstacles during brisk travel is desirable, but it seems necessary to limit the scope of this white and far-reaching light core in such a way that it hits the road, but upwards and, if necessary, after the Page cannot spread.

Nach der Erfindung erfolgt die Begrenzung des weißen Lichtkernes in sehr einfacher Weise durch ein glockenartiges Filter dadurch, daß die Filterglocke oben und unter Umständen auch seitlich am vorderen Rand haubenartig eingezogen wird.According to the invention, the white light core is limited in very simple way through a bell-like filter in that the filter bell is drawn in like a hood at the top and, under certain circumstances, at the side at the front edge.

Auf der Zeichnung ist die Erfindung in einer beispielsweisen Ausführungsform dargestellt. Die Glühbirne a, die von dem glockenartigen Lichtfilter b umschlossen wird, ist am Sockel mit einem reflektierenden Spiegelbelag b' versehen, der dazu dient, einen Teil der Lichtstrahlen unmittelbar, d. h. unter Umgehung des Filters b, nach vorn zu werfen. Dieser Spiegelbelag b' kann selbstverständlich auch im Scheitel der Filterglocke b angebracht werden.In the drawing, the invention is shown in an exemplary embodiment. The light bulb a, which is enclosed by the bell-shaped light filter b, is provided on the base with a reflective mirror coating b ', which serves to throw some of the light rays directly forward , ie bypassing the filter b. This mirror covering b 'can of course also be attached in the apex of the filter bowl b.

Das Lichtfilter b hat erfindungsgemäß am oberen Teile einen haubenartigen Ansatz b", der den Lichtstrahlen als Filter dient, die sowohl direkt wie von dem Reflektor b' in aufwärts gehender Richtung nach vorn geworfen werden.According to the invention, the light filter b has a hood-like shape on the upper part Approach b ", which serves as a filter for the light rays, both directly and from the Reflector b 'are thrown forward in an upward direction.

Claims (1)

PATENTANSPRUCH: Scheinwerfer mit einem zwischen der Lichtquelle und dem Reflektor angeordneten, nach vorn offenen, glockenartigen Lichtfilter, dadurch gekennzeichnet, daß das Lichtfilter (b) mit einem haubenartigen Ansatz (b") versehen ist, der so steht, daß ihn die nach oben und gegebenenfalls auch zur Seite gerichteten direkten und vom Spiegelbelag (b') der Glühlampe bzw, der Filterglocke kommenden Lichtstrahlen durchdringen. PATENT CLAIM: Headlamp with a bell-like light filter, which is arranged between the light source and the reflector and is open to the front, characterized in that the light filter (b) is provided with a hood-like projection (b ") which stands so that the upward and downward if necessary, direct light rays directed to the side and coming from the mirror coating (b ') of the incandescent lamp or the filter bowl penetrate.
DET34908D Headlights Expired DE478325C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DET34908D DE478325C (en) Headlights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET34908D DE478325C (en) Headlights

Publications (1)

Publication Number Publication Date
DE478325C true DE478325C (en) 1929-06-25

Family

ID=7558842

Family Applications (1)

Application Number Title Priority Date Filing Date
DET34908D Expired DE478325C (en) Headlights

Country Status (1)

Country Link
DE (1) DE478325C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075067B (en) * 1951-10-12 1960-02-11 Raymond Henri Pierre Devaux. Paris und Ovidio Falaschi, Martina di Massa (Italien) Electric light bulb for vehicle headlights with a light-blocking screen for glare-free lighting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075067B (en) * 1951-10-12 1960-02-11 Raymond Henri Pierre Devaux. Paris und Ovidio Falaschi, Martina di Massa (Italien) Electric light bulb for vehicle headlights with a light-blocking screen for glare-free lighting

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