摘要:
A quartz halogen outdoor floodlight assembly, having an improved lamp, reflector, and housing therefor for increased adjustability and overall performance. The housing comprises a two component unit, having upper and lower separable housing members, interconnected through a quarter turn fastening system comprising at least one key extending from the lower housing member, a receiving keyway formed in the upper housing member, and a camming ramp formed internally in the upper housing member. A lens in secured to the face of the upper housing member by a sealing adhesive, which simultaneously retains a reflector within the upper housing. A lamp operatively secured within a socket disposed in the lower housing member is operatively positioned in the reflector upon assembly. The lamp preferably includes an internal reflector which aligns with the external reflector to increase longitudinal light output.
摘要:
A lamp configuration particularly for infrared radiation provides an internal arrangement and environment adapted to overcome failure modes of prior art broad band infrared sources, and may incorporate optical elements including spectral filters and lenses enabling wavelength selection, beam shaping, external focusing, collimating, and wave front shaping. It also facilitates optical coupling to external devices including a rotating mirror, shutter and modulator devices.
摘要:
A light source which is capable of improving lightening efficiency is disclosed. The light source includes a phosphor layer provided at a part of a filter arranged adjacent to a light emitting lamp or arranged so as to serve as a reflection layer so that it may transmit light of the lamp required and be excited by a part of light of the lamp to emit light of a visible region to increase the intensity of light discharged from the light source.
摘要:
An incandescent lamp, which emits infra-red radiation, comprises a tubular quartz envelope, within which a tungsten filament is supported. To reflect radiation, which is emitted in a downward direction from the filament, back in an upward direction to an item to be heated, a substantially pure aluminum oxide coating is bonded in a substantially permanent manner to the surface of the envelope. The coating extends subtantially along the length of the lamp and around approximately half of the cross-sectional circumference thereof. The coating is applied to the envelope by a spray gun technique, wherein finely divided aluminum powder is blown through an oxygenated flame, which is directed towards an area of the envelope to be coated.
摘要:
The electric lamp according to the invention has a mainly tubular glass lamp vessel (1) coated with an interference filter (5) of alternating layers of SiO.sub.2 and of a material having a comparatively high refractive index. The lamp vessel 1 has portions at the area of and near its seals (6,7) having a form deviating from the tubular form and is in situ free from the material having a high refractive index of the interference filter (5). As a result, the lamp vessel (1) has a comparatively high resistance to pressure.
摘要:
According to the invention, an electric incandescent lamp provided with a longitudinally arranged filament (6) and an elongate concave screen (11) cooperating with the filament has in this screen (11) a reflecting tongue (16), which gradually moves away from a flat base portion (13) of this screen (11) and faces the filament (6) throughout its length and extends towards the end (7) of the filament (6) remote from the seal (2) of the lamp vessel (1). The lamp, when used in a headlight having a flattened paraboloidal reflector, produces a dipped beam of higher luminous intensity.
摘要:
In a fluorescent display tube of the back luminescence type, a transparent colored film is formed on a transparent substrate. A mesh shaped anode segments are formed on the transparent colored film, and a fluorescent layer is formed to cover the anode segments.
摘要:
A reflector lamp (R) having an improved dome section that increases the useful light output of the lamp is disclosed. The dome section has at least three portions each with a predetermined radius. The overall dimensions of the dome section are decreased relative to that of prior art lamps without suffering a loss to the structural integrity of the lamp itself.
摘要:
An automobile headlight including a reflector, a plastic lens secured to the reflector, and a light source (e.g., tungsten halogen capsule) located within and surrounded by the reflector. Means for preventing light transmission through a preselected portion of the lens is provided, said means also substantially preventing heat buildup on the lens. In one embodiment, this means comprises a layer of mica located on the internal surface of the lens and having thereon a thin layer of aluminum. The aluminum serves as a substrate for a dark coating (e.g., black paint).
摘要:
A lamp having a minimum number of parts consisting of lamp terminals, a lens, light bulb and reflector, the lens and reflector forming a sealed envelope containing the light bulb, the bulb lead wires being secured directly to the inner ends of the terminals positioned within the envelope and constituting a light source assembly. The terminals extend through openings formed at the rear of the reflector, the openings being large enough to allow adjustment of the light source assembly with respect to the reflector in the X-Y-Z axes by manipulating the light source assembly from the rear of and outside the lamp envelope thus simultaneously compensating for variations between bulbs, reflectors and lenses. The lamp is aimed simultaneously with adjustment of said light source assembly. The defined construction eliminates the need for mounting and sealing ferrules and separate lead-in wires between the terminals and the bulb.