32results about How to "Constant intensity" patented technology

An electro-optical device includes a display unit having a plurality of pixels, and the display unit is divided into a plurality of areas. The electro-optical device also includes a plurality of optical sensors that are provided for the plurality of areas, each of the optical sensors being configured to detect a light intensity, and a controller that selectively performs recognition of an operation position on the display unit or measurement of an ambient light intensity on the basis of the light intensities detected by the plurality of optical sensors.

A thermally assisted magnetic head comprises: a slider substrate, a first surface located opposite to a medium-facing surface, and side surfaces located between the medium-facing surface and the first surface; a magnetic head portion having a near-field light generator on the medium-facing surface side, and a magnetic recording element, the magnetic head portion being fixed to one of the side surfaces; and a laser diode element a relative position of which to the slider substrate is fixed so that emitted light thereof can reach the near-field light generator; a relation of λin<λmax is satisfied, where λin is a wavelength of the emitted light from the laser diode element immediately before the emitted light reaches the near-field light generator, and λmax is a wavelength of irradiating light at which an efficiency of generation of near-field light generated from the near-field light generator is maximum.

A thermally assisted magnetic head comprises: a slider substrate, a first surface located opposite to a medium-facing surface, and side surfaces located between the medium-facing surface and the first surface; a magnetic head portion having a near-field light generator on the medium-facing surface side, and a magnetic recording element, the magnetic head portion being fixed to one of the side surfaces; and a laser diode element a relative position of which to the slider substrate is fixed so that emitted light thereof can reach the near-field light generator; a relation of λin<λmax is satisfied, where λin is a wavelength of the emitted light from the laser diode element immediately before the emitted light reaches the near-field light generator, and λmax is a wavelength of irradiating light at which an efficiency of generation of near-field light generated from the near-field light generator is maximum.

A method and system for aligning optical fibers includes aperturing the optical beams from the optical fibers at two points along a path. Photodetectors are placed on the apertures and the positions of the tips of the optical fibers are controlled using actuators to center the optical beams within the apertures.

An x-ray tube has a vacuum housing containing an anode that generates usable x-ray radiation upon being struck by electrons generated by an electron source. The usable x-ray radiation escapes from the vacuum housing through an x-ray exit window. A backscatter electron barrier device arranged in the vacuum housing affects the backscatter electrons in the region of the usable x-ray radiation such that no backscatter electrons reach the x-ray exit window. Such an x-ray tube exhibits an invariably constant x-ray intensity and a high reliability.

The invention discloses an acridinium ester derivative, a synthesis method and application thereof. The chemiluminescent acridinium ester derivative provided by the invention has a structural formula shown as formula I. The invention further discloses a synthesis method for the compound shown as formula I, and the method includes: (1) synthesizing acridine-9-thiocarboxylic acid p-trifluoromethylbenzene ester; (2) synthesizing 10-methyl-acridine-9-thiocarboxylic acid p-trifluoromethylbenzene ester; (3) synthesizing 10-methyl-9, 10-dihydroacridine-9-thiocarboxylic acid p-trifluoromethylbenzene ester; and (4) synthesizing TfS-APS. The acridinium ester derivative provided by the invention can be used as an immunoassay tracer to a chemiluminescence immunoassay reagent system with alkaline phosphatase (ALP) as the marker enzyme. The application effect in a kit proves that the acridinium ester derivative involved in the invention can detect 1*10<-19>mol ALP molecules, and has the advantages of high sensitivity, long luminescence duration, simple use, constant intensity under room temperature condition, and no need for precise temperature control, etc.

A current storing circuit capable of having a small area, a simple structure with the small number of devices, a low consumption current operation and high yield in manufacturing is provided. Applying the current storing circuit to the current-driving type of display device such as an OLED display device can improve the aperture rate of pixels and reliability of the display device as well as highly functionalize the display device. The invention is characterized by using a new semiconductor element in a shape of a transistor having plural drains or sources. When the semiconductor elements is used for both of a writing element and a driving element, reading in and storing a current value and outputting the current can be performed by only the two semiconductor elements, so that the area occupied by the devices would be easily reduced significantly.

A current storing circuit capable of having a small area, a simple structure with the small number of devices, a low consumption current operation and high yield in manufacturing is provided. Applying the current storing circuit to the current-driving type of display device such as an OLED display device can improve the aperture rate of pixels and reliability of the display device as well as highly functionalize the display device. The invention is characterized by using a new semiconductor element in a shape of a transistor having plural drains or sources. When the semiconductor elements is used for both of a writing element and a driving element, reading in and storing a current value and outputting the current can be performed by only the two semiconductor elements, so that the area occupied by the devices would be easily reduced significantly.

An electro-optical device includes a display unit having a plurality of pixels, and the display unit is divided into a plurality of areas. The electro-optical device also includes a plurality of optical sensors that are provided for the plurality of areas, each of the optical sensors being configured to detect a light intensity, and a controller that selectively performs recognition of an operation position on the display unit or measurement of an ambient light intensity on the basis of the light intensities detected by the plurality of optical sensors.

An optical modulator includes first and second modulation waveguides, a demultiplexer, first and second phase adjustment waveguides that changes phases of a light of the first and second modulation waveguides, a multiplexer that combines light outputs from the first and second phase adjustment waveguides, a gain controller and a modulator bias controller in which voltages of the first and second modulation signals are controlled so that a result of adding light from the first modulation waveguide to light from the second modulation waveguide where light from the first modulation waveguide has a predetermined phase is equal to a result of adding light from the first modulation waveguide to light from the second modulation waveguide where light from the second modulation waveguide has a predetermined phase. A phase-adjustment bias controller that controls phase amounts changed by the first and second phase adjustment waveguides so as to cancel phase errors.

A radio communication system, in which radio communication is carried out between an in-vehicle communication device, mounted in a vehicle, and a radio communication terminal to detect a relative distance therebetween, includes an output control unit that controls a radio wave intensity of a measuring signal, which is sent from one of the in-vehicle communication device and the radio communication terminal, at a pre-set predetermined value; and a measuring unit that performs distance measuring on a vehicle side based on the radio wave intensity of the measuring signal controlled at the predetermined value or on a signal to which a value of the radio wave intensity of the measuring signal is added as information.

The invention discloses a high-pressure vacuum vibration shaping machine, and belongs to the field of building material high-density forming equipment. The high-pressure vacuum vibration shaping machine is characterized by comprising an outer rack, an inner rack, a base, a vibrator, a vibration table, a pressing mould, a pressing block, a first press machine, a second press machine and a vacuum chamber; the base, the vibrator, the vibration table, the pressing mould, the pressing block and the vacuum chamber are all arranged in the inner rack; the vibrator is connected to the vibration table;the vibration table is arranged on the base through spring devices; the pressing mould is arranged on the vibration table; a mould cavity is formed in the pressing mould; the pressing block is locatedabove the pressing mould and is connected to a telescopic arm of the first press machine; the first press machine is arranged on the top of the inner rack; the second press machine is arranged on theouter rack and is located above the first press machine; the vibrator comprises a vibration motor which is arranged on the bottom of the vibration table; and an eccentric rotation wheel is arranged on a motor shaft of the vibration motor. By adopting the high-pressure vacuum vibration shaping machine, the problem that pressure is insufficient in a pressing production process of quartz plates canbe solved, and product quality is effectively improved.

The invention provides a high-pressure vacuum vibratory forming machine and belongs to the field of building material high-density forming equipment. The high-pressure vacuum vibratory forming machineis characterized by comprising an outer rack, an inner rack, a base, a vibrator, a vibrating table, a pressing die, a pressing die, a pressing block, a first pressure machine, a second pressure machine and a vacuum chamber. The base, the vibrator, the vibrating table, the pressing die, the pressing block and the vacuum chamber are arranged in the inner rack. The vibrator is connected with the vibrating table which is installed on the base through a spring device. The pressing die is installed on the vibrating table. The pressing die is provided with a die cavity. The pressing block is locatedabove the pressing die. The pressing block is connected with a telescoping arm of a first pressure machine. The first pressure machine is installed on the top of the inner frame. A second pressure machine is installed on the outer rack and located above the first pressure machine. The vibrator comprises a vibrating motor. The vibrating motor is installed on the bottom of the vibrating table. An eccentric rotating wheel is installed on a motor shaft of the vibrating motor. The high-pressure vacuum vibratory forming machine can solve the problem that in the quartz plate pressing production process, pressure is insufficient, and the product quality can be effectively improved.

An optical transmission module that converts an electric signal to an optical signal and outputs the optical signal, including: a package; a plurality of light-emitting elements each emitting light in the interior of the package; a plurality of light-receiving elements each including a light-receiving surface on which a portion of the light is incident in the interior of the package, for monitoring light outputs of the plurality of light-emitting elements; and light-shielding members provided on the plurality of light-receiving elements while avoiding the light-receiving surfaces.

An optical transmission module includes: a package; a plurality of light-emitting elements each emitting light in the interior of the package; a beam splitter splitting the light into transmitted light and split light; a plurality of light-receiving elements each including a light-receiving surface on which the split light is incident in the interior of the package, for monitoring light outputs of the plurality of light-emitting elements; and a first light-shielding film provided between the plurality of light-emitting elements and the beam splitter and including a plurality of first holes for the light to propagate to the beam splitter, wherein the plurality of light-receiving elements are disposed with the light-receiving surfaces facing the beam splitter.

In a manufacturing method for an image sensor integrated circuit, a plurality of pixel regions each having a photodiode are arranged on a silicon substrate. A light-transmissive conductive film is formed over the silicon substrate. A protective film is formed on the light-transmissive conductive film while holding a potential of the light-transmissive conductive film at the same potential as that of the silicon substrate.

The invention relates to a constant light supply of high-brightness light projector used in optical plating detector. The invention is characterized in that the front wall the injecting box of light supply is fixed with a lamp base whose center is arranged with light channel; the base is arranged with a light supply lamp with collecting lamp cover; the collecting face of the cover is toward to the light channel and connected with the lamp base; the light supply lamp via wires is respectively connected with the power constant controller and the timer of light supply lamp; the front wall of the box is arranged with the light supply outlet; the side wall is arranged with the wind inlet and radiation outlet while the wind inlet is mounted with a fan. The invention can generate constant high-brightness strong light supply with high stability. And it can automatically control the apply time of light supply lamp.

The invention relates to a lamp tube device used for a lamp box of a color selector. The lamp tube device comprises two fixing brackets, a plurality of lamp tubes and a background plate, wherein the background plate and the plurality of lamp tubes are parallelly mounted between the two fixing brackets, a lamp panel is arranged on one side face of each lamp tube, a plurality of lamp beads are arranged on each lamp panel, the lamp tube device further comprises a plurality of air pipes and an air pump, two ends of each lamp tube communicate with each other, so that a hollow pipeline is formed, through holes are formed in the fixing brackets, the air pipes pass through the through holes, and the air pump is connected with two ends of each lamp tube through the air pipes. Compared with the prior art, the device provided by the invention has the advantages that two ends of the lamp tubes realize communicating, cooling air is delivered in, then the temperature of the lamp tubes during work isreduced, when the intensity of the light path needs to be promoted, after the power of the lamp beads is increased, the heat dissipation of the lamp beads and the lamp tubes is assisted through the flowing of the cooling air, then the temperature in a machine box is kept basically constant while the intensity of the light path is promoted, and the influences brought by high temperature are reduced.

The invention discloses an ultra-small ULF / VLF rotating current antenna, comprising a light-emitting device and a turntable, wherein the turntable comprises a positive metal layer, a P-type semiconductor layer, an N-type semiconductor layer and a negative metal layer, which are arranged in sequence; the positive metal layer is provided with a light hole, the turntable is further provided with a conductive coil, and two ends of the conductive coil are respectively connected with the positive metal layer and the negative metal layer. The antenna designed by the invention has a very small electrical size, and may be realized in the ULF / VLF frequency band by the meter-scale volume, which is far smaller than the kilometer-scale antenna in the prior art and does not affect the radiation efficiency of the antenna.

The present invention relates to a valve pocket 10 for bulk materials such as cement, gypsum, granular materials, animal feed, etc., having: an upright bottom, preferably a cross-shaped bottom or a square bottom; and a valve bottom opposite the upright bottom, A valve hose 50 for filling the valve pocket is inserted into the valve base, wherein the valve hose is formed from a thermal material 60 and a carrier material 70 surrounding the thermal material, wherein the thermal material has a smaller area fraction than the carrier Area share of material.