Illumination – Supported by vehicle structure – Plural light sources
Reexamination Certificate
1999-07-27
2001-04-24
Cariaso, Alan (Department: 2875)
Illumination
Supported by vehicle structure
Plural light sources
C362S491000, C362S540000, C362S231000, C040S556000, C116S028100
Reexamination Certificate
active
06220738
ABSTRACT:
The present invention relates to an operation and/or display device designed according to the preamble of the main claim.
Devices of this type are provided, for example, in motor vehicles for the purpose of initiating, in particular, electrical functional procedures in a defined manner by means of a pictograph or to illustrate functional situations by virtue of pictographs of this type.
In this context, it is generally known in motor vehicles to provide, for example, switch levers of electrical switching devices with pictographs on their free end which is to be regarded as the switch button, said pictographs serving to illustrate the possible actuating direction(s). In order to highlight the pictograph(s) in darkness, the artificially illuminated switch button is formed either from a colour-painted, transparent synthetic material body or from a synthetic material body which is produced in the so-called two-colour injection moulding process. The external, coloured, e.g. black, layer is removed in a mechanical manner, for example, using laser technology, so that by virtue of an illumination source which is allocated to the synthetic material body the pictograph(s) stand out clearly against the coloured surface layer. The problem of this type of pictograph design is that it is only possible to produce one two-dimensional illustration whose ability to be coloured is limited.
Consequently, it is the object of the present invention to develop further an operation and/or display device of the type mentioned in the introduction such that it is possible to achieve a three-dimensional pictograph design in any colour.
In accordance with the invention, the object is achieved by virtue of the features stated in the characterising part of the main claim. The advantage of this type of embodiment of the subject matter of the invention is that the pictograph is effectively protected from becoming damaged such as e.g. becoming blurred or the like.
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Brooks & Kushman P.C.
Cariaso Alan
Leopold Kostal GmbH & Co. KG
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