DE296250C - - Google Patents

Info

Publication number
DE296250C
DE296250C DE1916296250D DE296250DD DE296250C DE 296250 C DE296250 C DE 296250C DE 1916296250 D DE1916296250 D DE 1916296250D DE 296250D D DE296250D D DE 296250DD DE 296250 C DE296250 C DE 296250C
Authority
DE
Germany
Prior art keywords
glass
frosted
bulb
parts
headlights
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
DE1916296250D
Other languages
German (de)
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
Application granted granted Critical
Publication of DE296250C publication Critical patent/DE296250C/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/20—Mountings or supports for the incandescent body characterised by the material thereof

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

- M 296250 KLASSE 21/. GRUPPE 53. - M 296250 CLASS 21 /. GROUP 53.

BERLIN-ANHALTISCHE MASCHINENB.AU-AKT.-GES. in BERLIN. Reflektorglühlampe für Scheinwerfer mit Parabelspiegel.BERLIN-ANHALTISCHE MASCHINENB.AU-AKT.-GES. in Berlin. Reflector bulb for headlights with parabolic mirror.

Zusatz zum Patent 291961.Addendum to patent 291961.

Patentiert im Deutschen Reiche vom 23. Juli 1916 ab. Längste Dauer: 17. August 1930.Patented in the German Empire on July 23, 1916. Longest duration: August 17, 1930.

In dem Hauptpatent 291961 ist eine Glühlampe beschrieben, bei welcher diejenigen Teile, die unerwünschte Strahlen reflektieren, geschwärzt sind. Es hat sich indessen herausgestellt, daß eine solche Schwärzung nicht ausführbar ist. Wird beispielsweise schwarzes Glas verwendet, so reflektiert dessen Oberfläche doch noch genügend Strahlen, um den Zweck der Erfindung illusorisch zu machen.In the main patent 291961 is an incandescent lamp described in which those parts that reflect unwanted rays are blackened are. It has been found, however, that such a blackening cannot be carried out. For example, it becomes black If glass is used, its surface still reflects enough rays to prevent the To make the purpose of the invention illusory.

Deshalb werden -gemäß der Erfindung alle diejenigen Teile der Lampe, von welchen unerwünschte Strahlen reflektiert werden, aus Mattglas hergestellt.Therefore, according to the invention, all those parts of the lamp which are undesirable Rays reflected are made from frosted glass.

Auf der beiliegenden Zeichnung ist die Erfindung veranschaulicht.The invention is illustrated in the accompanying drawing.

Die Glühlampe d mit dem Leuchtkörper a wird in bekannter Weise in einen entsprechenden Fassungsteil des Spiegels # eingeschraubt. Der Leuchtkörperträger g innerhalb der Lampe sowie die in seiner Nähe gelegenen Teile f der Gläsbirne sind mattiert oder aus Mattglas hergestellt.The incandescent lamp d with the filament a is screwed in a known manner into a corresponding socket part of the mirror #. The filament support g within the lamp and the parts f of the glass bulb located in its vicinity are frosted or made of frosted glass.

Claims (1)

Patent-Anspruch:Patent claim: Reflektorglühlampe für Scheinwerfer mit Parabelspiegel nach Patent 291961, dadurch gekennzeichnet, daß der Träger (g) für den Leuchtkörper sowie die ihm benachbarten Teile (/") der Glasbirne mattiert oder aus Mattglas hergestellt sind.Reflector bulb for headlights with parabolic mirror according to patent 291961, thereby characterized in that the carrier (g) for the luminous element as well as those adjacent to it Parts (/ ") of the glass bulb are frosted or made of frosted glass. Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DE1916296250D 1915-08-18 1916-07-23 Expired DE296250C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE291961T 1915-08-18
DE296250T 1916-07-23

Publications (1)

Publication Number Publication Date
DE296250C true DE296250C (en) 1917-01-25

Family

ID=31888923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1916296250D Expired DE296250C (en) 1915-08-18 1916-07-23

Country Status (1)

Country Link
DE (1) DE296250C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965428C (en) * 1940-10-04 1957-06-06 Bosch Gmbh Robert Headlights, preferably for vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965428C (en) * 1940-10-04 1957-06-06 Bosch Gmbh Robert Headlights, preferably for vehicles

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