initial luminous flux means the luminous flux of a lamp after a short operating period
Nominal and rated lamp luminous flux.
The Measurement of Luminous Flux
Lamp Lumen Maintenance Factor (LLMF), which means the ratio of the luminous flux emitted by the lamp at a given time in its life to the initial luminous flux.
Objective luminous flux means a design value of the luminous flux of a replaceable light source or light source module.
The intensity of a light flux then reflected is detected as the intensity of a reflection light flux, and a signal indicating the intensity of the detected reflection light flux is output.
A light flux introducing step (S5) introduces light fluxes to the condensing element, the polarization converting element and a light flux splitting element.
A light flux generator (115) generates a light flux (112) including image information, and a reflective plate (163) reflects the light flux toward one eye (105) of a viewer (100).
The light flux has a first light flux group passed through an area in the diffraction optical element (8a), and a second light flux group passed through a part of the area.
A specified light flux section is divided to obtain a plurality of first light flux section portion areas (S11).
Definition of the useful luminous flux
amplitude of fluctuation of the luminous flux
lamp lumen maintenance factor (LLMF) means the ratio of the luminous flux emitted by the lamp at a given time in its life to the initial luminous flux
The luminous flux of this gas-discharge light source may differ from the objective luminous flux specified in Regulation No 99.
Reference luminous flux specified luminous flux of a standard filament lamp to which the optical characteristics of a lighting device shall be referred
Reference luminous fluxat approximately 13,5 V
Reference luminous flux at approximately 12 V
Reference luminous flux at approximately 13,2 V
Reference luminous flux at approximately 12 V
Reference luminous flux at approximately 13,5 V
Multiple detectors can be situated to receive dentally modulated light fluxes at different wavelengths or dentally modulated light fluxes with different directions or different locations.
On the other hand, a second objective lens (OBJ2) is shared by the first light flux of the wavelength λ1 and a second light flux of wavelength λ2.
A digital modulator of the light flux (13) directs the shutter disc.
The optical scan device (1) reflects an incident light flux (13) by the reflection plane so as to be converted into a scan light flux (14).
When a light flux (5a) emitted from a light source (Pa) enters a substrate (1), it becomes a parallel light flux (6a) by the action of a lens strip (2a).
A deviation (Δl) is determined by comparing a luminous power set value to a measured luminous power real value.
A luminous flux control member (140) has a first luminous flux control member (150), a second luminous flux control member (160), and a roughly cylindrical holder (170).
The correction factor is the ratio between the objective luminous flux and the mean value of the luminous flux found at the voltage applied.
The correction factor is the ratio between the objective luminous flux and the value of the luminous flux found at the voltage applied.
The correction factor is the ratio between the objective luminous flux and the mean value of the luminous flux found at the voltage applied.
Complied class at 100 % lumen output
Lamp lumen maintenance factor
Lamp lumen maintenance factor
Lamp Lumen Maintenance Factor (LLMF
An apparatus and method for reducing lumen depreciation caused by other than lamp lumen depreciation.
Warm-up time up to 60 % of the full light output (may be indicated as instant full light if less than 1 second
In addition, these lamps are dimmable to 10 % or less of their light output.
Multiplication factors for lumen maintenance
the luminous flux value produced shall be corrected.
the luminous flux value produced shall be corrected.
The luminous flux values, as measured after
Luminous flux of the light source (see paragraph 5.10
Input optics (29) focus the combined light stream.
In the optical system, a second start-up mirror (M2), which passes through a first luminous flux and reflexes a second luminous flux, is arranged closer to a light source than a first start-up mirror (M1) which reflects the first luminous flux.
A constant lumen output control system for providing a constant lumen output throughout the life of a lamp at the mean or preset lumen level .
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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