摘要:
Disclosed is a light attenuator comprising a stick or rod composed of a light-transmitting material, and a light-attenuating layer composed of a thermoplastic resin and formed on at least one end face of the stick or rod, wherein finely divided particles having a light-absorbing or light-scattering property are uniformly incorporated in the thermoplastic resin. This light attenuator is made by forming a light-attenuating thermoplastic resin layer having incorporated therein the light-absorbing or light scattering finely divided particles on a release film or paper; placing the light-attenuating layer formed on the release film or paper on a heating plate; press-bonding the end face of a rod or stick composed of a light-transmitting material inserted and set in a ferrule to the surface of the release film or paper; cooling the bonded assembly; and then peeling the release film or paper to transfer the light-attenuating layer to the end face of the light-transmitting rod or stick.
摘要:
Provided is a rear projection screen apparatus having a rear projection screen, light rays from a projecter being incident upon the rear surface of the rear projection screen at steep angles, wherein a plurality of elongated prisms are formed on the rear surface of the screen, each prism having a reflection surface extending therealong, thereby the incedence light rays are internally reflected, and then transmitted through the medium of screen for emerging from the front surface of the screen on the viewing side, and the rear surface of the screen is in a curve shape which is convex toward the viewing side so that the brightness of the screen can be made to be uniform.
摘要:
An object detection device includes an optical scanning system, a detection system, and a processing device. The optical scanning system includes a light source, a light source drive unit, and a deflector, and causes the deflector to scan a scan area with light from light source at scan positions. The detection system detects the light emitted from the optical scanning system and reflected by an object. The processing device calculates distance information indicating a distance to the object based on a light emission timing and a light detection timing. In a plurality of scans, the optical scanning system causes the light source to emit light at a different scan position in each scan. The processing device includes a correction system to correct the distance information at at least one scan position at which the light source is caused to emit light in at least one scan of the scans.
摘要:
An electrostatic protection device with an improved durability with repeated use and an excellent discharging property is provided. The electrostatic protection device 100 comprising an insulating laminate 11, a pair of discharge electrodes 12 and 13 inside the insulating laminate 11 and a discharge triggered part 14 disposed between these discharge electrodes and at the periphery of the end portion of the discharge electrode is configured by disposing glass-containing insulating layers 15 and 16 on the surfaces of the discharge electrodes. The flow of conductive inorganic materials in the discharge electrodes towards the discharge triggered part caused by the discharging process can be inhibited by arranging the insulating layer containing glass on the surfaces of the discharge electrodes.
摘要:
An object detection device includes an optical scanning system, a detection system, and a processing device. The optical scanning system includes a light source, a light source drive unit, and a deflector, and causes the deflector to scan a scan area with light from light source at scan positions. The detection system detects the light emitted from the optical scanning system and reflected by an object. The processing device calculates distance information indicating a distance to the object based on a light emission timing and a light detection timing. In a plurality of scans, the optical scanning system causes the light source to emit light at a different scan position in each scan. The processing device includes a correction system to correct the distance information at at least one scan position at which the light source is caused to emit light in at least one scan of the scans.
摘要:
An image forming apparatus includes an image carrier; an image forming unit; a processor for controlling the image forming unit according to a predetermined image forming condition setting data; an image density sensor to detect an image density of the toner pattern formed on the image carrier; a reference rotary position detector; an image density fluctuation data acquisition unit to obtain an image density fluctuation data of more than one circumferential length of the photoreceptor drum with reference to the reference rotary position detected by the reference rotary position detector based on a result related to the toner pattern formed on the image carrier detected by the image density sensor; and a correction data generator to generate a correction data to correct a reference image forming condition setting data with a correction amount corresponding to each rotary position of the rotary member to thus reduce the image density fluctuation.
摘要:
An image forming apparatus includes a rotatable image carrier that carries a toner image having a length corresponding to at least a circumferential length of the carrier; an image density detector that detects a density of the image; a potential detector that detects, over at least the circumferential length, a surface potential of the carrier before toner adheres thereto; a first image forming device that adjusts the density with a first factor, and forms an image based on a first condition of the first factor; a second image forming device that adjusts the density with a second factor, and forms an image based on a second condition of the second factor; a first determining device that determines the first condition based on uneven density; and a second determining device that determines the second condition based on uneven density and a potential distribution of the surface potential.
摘要:
An electrostatic protection device with an improved durability with repeated use and an excellent discharging property is provided. The electrostatic protection device 100 comprising an insulating laminate 11, a pair of discharge electrodes 12 and 13 inside the insulating laminate 11 and a discharge triggered part 14 disposed between these discharge electrodes and at the periphery of the end portion of the discharge electrode is configured by disposing glass-containing insulating layers 15 and 16 on the surfaces of the discharge electrodes. The flow of conductive inorganic materials in the discharge electrodes towards the discharge triggered part caused by the discharging process can be inhibited by arranging the insulating layer containing glass on the surfaces of the discharge electrodes.
摘要:
Disclosed is a cooling device that includes a cooling part that is movably provided between a first position and a second position different from the first position with respect to an image forming apparatus main body and cools a periphery thereof with a cooling medium to be supplied; a cooling medium supply part that is provided in the image forming apparatus main body and cools and supplies the cooling medium to the cooling part; and a connecting member that connects the cooling part to the cooling medium supply part to circulate the cooling medium between the cooling part and the cooling medium supply part; wherein the connecting member is configured to include a flexible member and spirally provided with a moving direction of the cooling part as an axis center.
摘要:
According to one embodiment, an electronic apparatus includes a block feature amount calculator, a local contrast correction curve generator and a contrast correction module. The block feature amount calculator divides pixels in a video frame into blocks, and calculates feature amounts corresponding to the blocks using luminance values of pixels in each of the blocks. The local contrast correction curve generator generates local contrast correction curves corresponding to the blocks using the feature amounts. The contrast correction module generates a corrected video frame using the local contrast correction curves.