Illuminating surface definition

Illuminating surface means the orthogonal projection of the lamp in a plane perpendicular to its axis of reference and in contact with the exterior light-emitting surface of the lamp. For a retro-reflector, the light-emitting surface is considered to be delimited by planes contiguous to the outermost parts of the retro-reflector’s optical system.
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Illuminating surface of a lighting device means the surface as defined in paragraph 2.7. of UNECE regulation No 5317;
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Illuminating surface means the orthogonal projection, in a transverse vertical plane, of the effective surface from which the light is emitted. For a reflex-reflector, the effective surface is the visible surface of the reflex-reflecting optical unit.
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Examples of Illuminating surface in a sentence

  • Illuminating surface of a retro-reflector" (paragraph 2.3.7.2.5.9.) means the orthogonal projection of a retro-reflector in a plane perpendicular to its axis of reference and delimited by planes continuous to the outermost parts of the retro-reflector's optical system and parallel to that axis.

  • In the section 2.9.2. " Illuminating surface of a light-signalling device other than a retro-reflector" (paragraphs 2.7.11.

  • Screens; other positions of the screens are Illuminating surface Resulting illuminating surface over all possible screen positions, e.g. for the determination of maximum or minimum area specification.

  • If the reflector and lens are adjustable relative to one another, the mean adjustment should be used;2.7.2.2.5.2. "Illuminating surface of a light-signalling device other than a retro-reflector" (front position lamp, direction indicator lamp, stop lamp and rear position lamp paragraphs 2.5.8., 2.5.10., 2.5.11.

  • If the reflector and lens are adjustable relative to one another, the mean adjustment should be used; 2.7.2.2.5.2. "Illuminating surface of a light-signalling device other than a retro-reflector" (front position lamp, direction indicator lamp, stop lamp and rear position lamp paragraphs 2.5.8., 2.5.10., 2.5.11.

  • ASHOK NAGAR, No. 45,9th Avenue, 3 bedrooms, hall, kitchen, balcony, pooja room, 1400 sq.ft, 1st floor, 3 attached bathrooms, 2 covered car parks, rent Rs. 28000.

  • Illuminating surface of a light-signalling device other than a retro-reflector" (paragraphs 3.5.1. to 3.5.13.

  • A report Will be prepared annually by the Depart­ ment concerned.


More Definitions of Illuminating surface

Illuminating surface means for lights, the visible surface from which light is emitted and, for reflex reflectors, the visible surface from which light is reflected.
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Illuminating surface means the orthogonal projection of the full aperture of the reflector, in the case of the main-beam headlamp with reflector, dipped-beam headlamp with reflector, front fog-lamp with reflector, or in the case of headlamps with an ellipsoidal reflector of the projection lens, on a transverse plane. If the light emitting surface of the lamp extends over part only of the full aperture of the reflector, the projection of that part only is taken into account.
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Illuminating surface means the orthogonal projection of the lamp in a plane perpendicular to its axis of reference and in contact with the exterior light-emitting surface of the lamp, this projection being bounded by the edges of screens situated in this plane, each allowing only 98 % of the total luminous intensity of the light to persist in the direction of the axis of reference in the case of rear position lamp, parking lamp, and of main-beam headlamp, dipped- beam headlamp, front fog-lamp, which are without reflector.
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Illuminating surface of a lighting device means the surface as defined in paragraph 2.7. of UNECE regulation No. 536 as stated in the component type-approval documentation;
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Illuminating surface of a lighting device means the surface as defined in paragraph
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Related to Illuminating surface

  • Pervious surface means an area that releases as runoff a small portion of the precipitation that falls on it. Lawns, gardens, parks, forests or other similar vegetated areas are examples of surfaces that typically are pervious.

  • Impervious surface means a surface that has been covered with a layer of material so that it is highly resistant to infiltration by water.

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Building site means a plot of land held for building purposes, whether any building is actually erected thereupon or not, and includes the open ground or courtyard enclosed by, or adjacent to, any building erected thereupon;

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Water Surface Elevation (WSE means the height, in relation to mean sea level, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

  • Regulated impervious surface means any of the following, alone or in combination:

  • Radiation area means any area, accessible to individuals, in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.05 mSv (0.005 rem) in 1 hour at 30 centimeters from the source of radiation or from any surface that the radiation penetrates.

  • Roof means a non-porous cover for a structure such as (by way of example and not limitation) Lexan barriers or shingles but not a shade trellis, ivy or other open or porous material that may also be used as a cover.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • Topsoil means a varying depth (up to 300 mm) of the soil profile irrespective of the fertility, appearance, structure, agricultural potential, fertility and composition of the soil;

  • Invasive plant species means species of plants not historically found in California that spread outside cultivated areas and can damage environmental or economic resources. Invasive species may be regulated by county agricultural agencies as noxious species. Lists of invasive plants are maintained at the California Invasive Plant Inventory and USDA invasive and noxious weeds database.

  • Excavation means the mechanical removal of earth material.

  • drainage work means any construction or reconstruction of or any alteration or addition to, or any work done in connection with a drainage installation but shall not include any work undertaken solely for purposes of repair or maintenance;

  • Excavation zone means the volume containing the tank system and backfill material bounded by the ground surface, walls, and floor of the pit and trenches into which the UST system is placed at the time of installation.

  • Heating oil means petroleum that is No. 1, No. 2, No. 4-light, No. 4-heavy, No. 5-light, No. 5-heavy, and No. 6 technical grades of fuel oil; other residual fuel oils (including Navy Special Fuel Oil and Bunker C); and other fuels when used as substitutes for one of these fuel oils. Heating oil is typically used in the operation of heating equipment, boilers, or furnaces.

  • Building means any structure used or intended for supporting or sheltering any use or occupancy.

  • Common Areas is defined as all areas and facilities outside the Premises and within the exterior boundary line of the Project and interior utility raceways and installations within the Unit that are provided and designated by the Lessor from time to time for the general non-exclusive use of Lessor, Lessee and other tenants of the Project and their respective employees, suppliers, shippers, customers, contractors and invitees, including parking areas, loading and unloading areas, trash areas, roadways, walkways, driveways and landscaped areas.

  • Underground source of drinking water means an aquifer or its portion:

  • Building Common Areas means with respect to the Tower, the areas, facilities and amenities specified in Schedule [E] which are to be used and enjoyed in common with all the other Apartment Acquirers of the Units in the Building; and

  • Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.

  • Common Area means all areas and facilities within the Project that are not designated by Landlord for the exclusive use of Tenant or any other lessee or other occupant of the Project, including the parking areas, access and perimeter roads, pedestrian sidewalks, landscaped areas, trash enclosures, recreation areas and the like.

  • Underground tank means a device meeting the definition of tank whose entire surface area is totally below the surface of and covered by the ground.

  • Generator means a device that produces electricity.

  • Geologically hazardous areas means areas that because of their susceptibility to erosion, sliding, earthquake, or other geological events, are not suited to the siting of commercial, residential, or industrial development consistent with public health or safety concerns.