geometric visibility definition

geometric visibility means the angles which determine the square field in which the light- emitting surface of the lighting device is completely visible when the relevant angles (α vertical and β horizontal) are measured at the outward contour of the apparent surface and the lamp is observed from afar, however, if any obstacles is located within this field and partly obscuring the light-emitting surface, it may be accepted where it is proven that, even with such obstructions, the photometric values prescribed for the type-approval of the lighting device as component are complied with;
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geometric visibility. Horizontal angle: For the two rear position lamps: either 45° inwards and 80° outwards, or 80° inwards and 45° outwards. The horizontal inward angle may be reduced to 30° if the shape of the bodywork makes it impossible to reach 45°. Vertical angle: 15° above and below the horizontal. The angle below the horizontal may be reduced to 10° if the height of the lamp above the ground is less than 1,900 mm, and to 5° if this height is less than 750 mm.
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geometric visibility. Horizontal angle: For the two front position (side) lamps: 10° inwards and 80° outwards. However, the angle of 10° inwards may be reduced to 5° if the shape of the bodywork makes it impossible to keep to 10°. For tractors with any overall width not exceeding 1,400 mm this angle may be reduced to 3° if the shape of the bodywork makes it impossible to keep to 10°. Vertical angle: 15° above and below the horizontal. The vertical angle below the horizontal may be reduced to 10° if the height of the lamp above the ground is less than 1,900 mm, and to 5° if this height is less than 750 mm.
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Examples of geometric visibility in a sentence

  • Geometric visibility Angles β at transverse directions: for single lamps, left and right 80o respectively.

  • Geometric visibility: Defined by angles of geometric visibility α and β.

  • Geometric visibility Horizontal angle: 30 inwards and outwards, covering by indispensable constructional parts of the vehicle up to 10 per cent of the rear marking plate surface is permitted; Vertical angle: 15 above and below the horizontal; Orientation: rearwards.

  • Height: No individual specifications.Length: According to Annex 15 of Regulation No. 69.6.22.5. Geometric visibility According to Annex 15 of RegulationNo. 69.6.22.6. Orientation: According to Annex 15 of Regulation No. 69.

  • Geometric visibility Angles β at transverse directions: for single lamps, left and right 45o respectively, when deviate from the longitudinal plane of symmetry should be inwards 10o.

  • Geometric visibility Angles β at transverse directions: for single lamps, left and right 45o.

  • Geometric visibility Angles α at vertical directions: upward 15o and downward 10o; Angles β at transverse directions: for single lamps, left and right 45o.

  • Geometric visibility Angles β at transverse directions: for single rear fog lamp, left and right 25o respectively.

  • Geometric visibility Angles β at transverse directions: for single retro-reflector devices, left and right 30o respectively.

  • Geometric visibility Angles β at transverse directions: outward 80o and inward 20o.

Related to geometric visibility

  • compatibility means compatibility as defined in point (10) of Article 2 of Directive (EU) 2019/770;

  • Adverse impact on visibility means visibility impairment which interferes with the management, protection, preservation or enjoyment of the visi- tor’s visual experience of the Federal Class I area. This determination must be made on a case-by-case basis taking into account the geographic extent, in- tensity, duration, frequency and time of visibility impairment, and how these factors correlate with (1) times of vis- itor use of the Federal Class I area, and(2) the frequency and timing of natural conditions that reduce visibility.

  • Spectrum Compatibility means the capability of two (2) copper loop transmission system technologies to coexist in the same cable without service degradation and to operate satisfactorily in the presence of cross talk noise from each other. Spectrum compatibility is defined on a per twisted pair basis for specific well-defined transmission systems. For the purposes of issues regarding Spectrum Compatibility, service degradation means the failure to meet the Bit Error Ratio (BER) and Signal-to-Noise Ratio (SNR) margin requirements defined for the specific transmission system for all Loop lengths, model Loops, or loss values within the requirements for the specific transmission system.

  • Signal means any transmission of radio frequency energy or of optical information.

  • Scaling as used herein, involves:

  • Connectivity means the provision of a Permanent Separated Bicycle Lane system that reflects desired routes between all major origins and destinations in the city.

  • BPSS means the recognised standard for HMG for staff vetting which comprises verification of (1) identity, (2) employment history, (3) nationality and immigration status (including the right to work), and Criminal Records Bureau check (including a five (5) year address history check).

  • Path means the Port Authority Trans-Hudson Corporation.

  • PNode has the meaning set forth in the CAISO Tariff.

  • Fiber means a glass strand or strands which is/are protected by a color coded buffer tube and which is/are used to transmit a communication signal along the glass strand in the form of pulses of light.

  • Interoperability means the ability of a CenturyLink OSS Function to process seamlessly (i.e., without any manual intervention) business transactions with CLEC's OSS application, and vice versa, by means of secure exchange of transaction data models that use data fields and usage rules that can be received and processed by the other Party to achieve the intended OSS Function and related response. (See also Electronic Bonding.)

  • Beam axis means a line from the source through the centers of the x-ray fields.

  • functionality means the ability of a tenderer to provide goods or services in accordance with specifications as set out in the tender documents.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Opaque means impenetrable to sight.

  • Bandwidth means a distributor’s defined tolerance used to flag data for further scrutiny at the stage in the VEE process where a current reading is compared to a reading from an equivalent historical billing period. For example, a 30 percent bandwidth means a current reading that is either 30 percent lower or 30 percent higher than the measurement from an equivalent historical billing period will be identified by the VEE process as requiring further scrutiny and verification;

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • Matrix (1 2 8 9) means a substantially continuous phase that fills the space between particles, whiskers or fibres.

  • Stability means structural stability.

  • Density means the permitted number of dwelling units per

  • Stack means any point in a source designed to emit solids, liquids, or gases into the air, including a pipe or duct but not including flares.

  • Lightweight means the displacement of a ship in metric tons without cargo, fuel, lubricating oil, ballast water, fresh water and feed water in tanks, consumable stores, and passengers and crew and their effects.

  • Target Population means persons with low incomes who have one or more disabilities, including mental illness, HIV or AIDS, substance abuse, or other chronic health condition, or individuals eligible for services provided pursuant to the Lanterman Developmental Disabilities Services Act (Division 4.5 (commencing with Section 4500) of the Welfare and Institutions Code) and may include, among other populations, adults, emancipated minors, families with children, elderly persons, young adults aging out of the foster care system, individuals exiting from institutional settings, veterans, and homeless people.

  • Ethernet means a family of computer networking technologies for LANs.

  • Penetration Testing means security testing in which assessors mimic real-world attacks to identify methods for circumventing the security features of an application, system, or network. (NIST SP 800-115)

  • Micro wireless facility means a small cell facility that is not larger in dimension than 24 inches in length, 15 inches in width, and 12 inches in height and that has an exterior antenna, if any, not longer than 11 inches.