Examples of using Light source categories in English and their translations into French
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Colloquial
Similar local light source categories are in use in Japan.
Amendment 4 to the Consolidated Resolution on the common specification of light source categories(R.E.5.
Moreover, the applicable list of light source categories was removed and replaced by a reference to Regulation No. 37.
The text reproduced below was prepared by the expert from the International Automotive Lighting and Light Signalling Expert Group(GTB)to introduce light source categories WT(Y)21W and WT(Y)21/7W.
These are all versions based on existing light source categories but with another(plastic wedge base) cap that is being standardized by IEC.
The draft proposal concerns the introduction of a reference luminous flux at approximately 13.2 V for light source categories used in lighting devices.
Studies have shown that these light source categories as proposed can be used for front fog lamps as specified by current Regulation No. 19.
The text reproduced below was prepared by the expert fromthe Working Party"Brussels 1952"(GTB) in order to phase out some light source categories from Regulation No. 37.
However, for gas discharge light source categories D1R, D1S, D2R, D2S, D3R, D3S, D4R and D4S, additional and tighter colour boundaries apply as specified by the respective datasheets.
What are the specific/objective andgeneral criteria for incorporation in Regulation No. 37, to be applied to all new/existing light source categories?
The grouping of light source categories is supported by evaluation of a number of criteria that are applied to filament lamps of"normal" production as specified on the data sheets.
GRE may wish to consider a proposal tabled by the expert fromthe Working Party"Brussels 1952"(GTB) to phase out some light source categories from the Regulation No. 37.
Studies have shown that these light source categories can be used for front fog lamps and other lighting devices; the tolerances are in the order of magnitude of e.g. H1 and H3.
In addition, the current approach of using footnotes to indicate the use restrictions may be replaced by introducing a new group of light source categories.
There is no justification to maintain the limitation on the type approvals of front fog lamps equipped with light source categories H21W, PSX24W and PX24W according to Regulation No. 37 and it should be removed.
Therefore all parts in the text referring to"filament lamps" have been replaced by the more general wording"light source" to allow in future both types of approved light source categories to be used.
In the meantime GTB has developed an internal procedure for proposing new light source categories and a supporting tool of criteria for evaluation of the suitability of light sources for lighting devices.
The text reproduced below was prepared by the expert from the International Electrotechnical Commission(IEC) in order toamend data on light source categories H13, H13A, H27W/1, H27W/2, T4W and W21/5W.
Is Regulation No. 37 a reference book for filament light source categories complying with minimum requirements necessary for traffic safety or a list of selected light source categories complying with the highest standards/ state-of-the-art technology?
After consideration, GRE requested the secretariat to upload, as reference document on the GRE website, GRE-66-01 on the GTB internal process for introducing andevaluating new light source categories.
GRE may wish to resume consideration on proposals tabled by the expert from India in order tointroduce into Regulation No. 37 new light source categories for signalling lamps, based on results of the dialogue between the experts from India and the Working Party"Brussels 1952"(GTB), if available.
Therefore all parts in the text referring to"filament lamps" have been replaced by the more general wording"light source" to allow in future both types of approved light source categories to be used.
Granting of approvals for front fog lamps marked"B" as defined in this Regulation equipped with light source categories H21W, PSX24W and PX24W according to Regulation No. 37 shall be limited to a period of 12 months after entry into force of Supplement 10 to the 02 series of amendments of this Regulation.
GRE may wish to consider a joint proposal tabled by the experts from the Working Party"Brussels 1952"(GTB) andIndia in order to introduce into Regulation No. 37 new light source categories for signalling lamps, based on results of the dialogue between these experts.
The text reproduced below was prepared by the expert from the Working Party"Brussels 1952"(GTB), in order to inform the Working Party on Lighting and Light-Signalling(GRE), regarding the internal process of GTB for introduction andevaluation of new light source categories into Regulation No. 37.