DE377009C - Headlights - Google Patents

Headlights

Info

Publication number
DE377009C
DE377009C DES53005D DES0053005D DE377009C DE 377009 C DE377009 C DE 377009C DE S53005 D DES53005 D DE S53005D DE S0053005 D DES0053005 D DE S0053005D DE 377009 C DE377009 C DE 377009C
Authority
DE
Germany
Prior art keywords
headlights
charcoal
negative
positive electrode
positive
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
DES53005D
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.)
Siemens AG
Original Assignee
Siemens AG
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 by Siemens AG filed Critical Siemens AG
Priority to DES53005D priority Critical patent/DE377009C/en
Application granted granted Critical
Publication of DE377009C publication Critical patent/DE377009C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/065—Electrodes for flame arc lamps

Landscapes

  • Discharge Lamp (AREA)

Description

Scheinwerfer. Erfindungsgemäß wird die negative Elektrode von Scheinwerfern, insbesondere von solchen für Projektionszwecke, mit einem Zusatz von Leuchtstoffen versehen, während die positive Elektrode keine oder nur geringe Mengen von Leuchtstoffen enthält. Es hat sich gezeigt, daß durch diese Anordnung eine bedeutend größere Lichtausbeute erzielt wird, als wenn man -die positive Elektrode als Effektkohle ausbildet. Außerdem ergibt sich bei dieser Anordnung, unter Umständen ein besseres Licht. Besonders stark tritt dies hervor, wenn es sich darum handelt, ein rein weißes Licht zu erzeugen. Verwendet man die hierfür üblichen Elektroden, die hauptsächlich Lanthanverbindungen enthalten, so ergeben diese in Verbindung mit der positiven Elektrode ein Licht, das unter Umständen erheblich geringer ist, als wenn man eine Reinkohle als positive Elektrode hätte, und die Farbe hat einen leichten Stich ins Gelbliche. Legt man dagegen diese Lichtstoffe in die negative Elektrode, so erhält man eine ganz bedeutend gesteigerte Lichtausbeute und ein bläulich weißes Licht. Besonders für Kinolampen mit horizontaler positiver Kohle und dazu geneigter negativer bedeutet diese Anordnung einen erheblichen Vorteil.Headlights. According to the invention, the negative electrode of headlights, in particular those for projection purposes with an addition of phosphors provided, while the positive electrode has no or only small amounts of phosphors contains. It has been shown that this arrangement results in a significantly greater light output is achieved as if the positive electrode is formed as an effect carbon. aside from that This arrangement may result in better light. Particularly this is particularly evident when it is a question of generating pure white light. The electrodes customary for this purpose, mainly lanthanum compounds, are used contain, they produce a light in connection with the positive electrode, which may be considerably less than if you think of a pure coal as positive Electrode, and the color has a slight tinge of yellow. If you lay on the other hand, if these luminous substances enter the negative electrode, one obtains a very significant one increased light output and a bluish white light. Especially for cinema lamps with horizontal positive coal and inclined negative coal means this arrangement a significant advantage.

Claims (2)

PATENTANSPRÜCHE: i. Scheinwerfer, dadurch gekennzeichnet, daß als negative Kohle eine Effektkohle verwendet ist, während die positive Kohle keine oder nur unbedeutende Zusätze enthält. PATENT CLAIMS: i. Headlights, characterized in that as negative charcoal an effect charcoal is used, while the positive charcoal does not or contains only insignificant additives. 2. Scheinwerfer nach Anspruch z, dadurch gekennzeichnet, daß die negative Kohle hauptsächlich Lanthanverbindungen enthält.2. Headlight according to claim z, characterized characterized in that the negative carbon contains mainly lanthanum compounds.
DES53005D 1920-05-12 1920-05-12 Headlights Expired DE377009C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES53005D DE377009C (en) 1920-05-12 1920-05-12 Headlights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES53005D DE377009C (en) 1920-05-12 1920-05-12 Headlights

Publications (1)

Publication Number Publication Date
DE377009C true DE377009C (en) 1923-06-12

Family

ID=7489030

Family Applications (1)

Application Number Title Priority Date Filing Date
DES53005D Expired DE377009C (en) 1920-05-12 1920-05-12 Headlights

Country Status (1)

Country Link
DE (1) DE377009C (en)

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