摘要:
A laser beam recording apparatus is provided with a semiconductor laser for producing a laser beam, and a beam scanning system for scanning the laser beam on a photosensitive material. A laser operation control circuit produces a light emission level instructing signal corresponding to an image signal and controls a drive current for the semiconductor laser over a natural light emission region and a laser oscillation region on the basis of the light emission level instructing signal, thereby to modulate the intensity of the laser beam. A device superimposes a radio-frequency current upon the drive current for the semiconductor laser only in a region in which the drive current exceeds a predetermined value.
摘要:
An optical memory disk has a recording layer which is disposed on one surface of a plain circular support base and has a plurality of radially spaced data tracks for storing data items therein, the data tracks being grouped into a number of data track groups. Each of the tracks is divided into a plurality of angularly consecutive sectors bearing a plurality of angularly equally spaced sector marks, respectively, the sector marks on the tracks of each of the data track groups being located in angularly different positions, respectively. There are also disclosed a method of and a system for rapidly and reliably accessing a desired target track among the data tracks on the optical memory disk.
摘要:
A laser beam recording apparatus is provided with a laser operation control circuit for controlling a drive current for a semiconductor laser based on a light emission level instructing signal to modulate the optical intensity of a laser beam emitted by the semiconductor laser, an optical output stabilizing circuit for feeding a feedback signal corresponding to a detected intensity of the laser beam to the light emission level instructing signal, a gain adjuster provided in the optical output stabilizing circuit, and a gain controller for controlling the gain adjuster based on the light emission level instructing signal to compensate for fluctuations in a differential quantum efficiency of the semiconductor laser, and maintaining constant the gain of the optical output stabilizing circuit. Or, the laser operation control circuit is provided with the optical output stabilizing circuit, and a gain adjuster is provided in the optical output stabilizing circuit.
摘要:
Disclosed herein is a solid-state imaging device including: a plurality of common pixel sections arranged in a matrix form so that pixel signals of a plurality of photoelectric conversion elements arranged in the same row can be output; a plurality of row address lines used to select some of the photoelectric conversion elements in each row; and a scan section that allows for the pixel signals of the plurality of photoelectric conversion elements to be output through addressing adapted to select the plurality of row address lines one at a time in sequence, in which the plurality of row address lines are connected to the plurality of photoelectric conversion elements arranged in the same row in each of the common pixel sections so that the scan section can individually select the plurality of photoelectric conversion elements arranged in the same row in each of the common pixel sections during addressing.
摘要:
The display device including: a display panel; a backlight; a memory for converting frame rate of an input video signal and outputting a video signal; an interpolation frame generation unit for generating an interpolation frame based on the video signal output from the memory; a histogram generator for generating a histogram based on the input video signal; and a backlight brightness calculation unit for calculating a backlight control signal, the display device further comprising: wherein image data for display, which is obtained by an N-th frame of the input video signal, and image data of the interpolation frame generated based on the N-th frame and an (N+1)-th frame of the input video signal, is input to the display panel; and wherein the backlight control signal calculated based on the histogram generated based on the image data of the N-th frame is used for displaying the image data for display.
摘要:
There is provided a display device capable of delivering adequate video display performance even when a lighting period of a backlight is varied in accordance with the content or the like of image data. The device has circuits (8050, 8060) for varying a lighting period of a backlight (8090) for illuminating a display panel (8010) in accordance with image data (8002), setting information (8003), and the like from an external device; and circuits (8070, 8080) for adjusting the timing of start (and turning off) of lighting of the backlight in accordance with the length of the lighting period.
摘要:
A photo timer includes an X-ray dose detector for detecting the dose of X-rays irradiated from an X-ray irradiation apparatus, a stop-signal output means for outputting a stop signal to stop irradiation of the X-rays from the X-ray irradiation apparatus when the detected X-ray dose exceeds a predetermined value, and a communication means for sending the stop signal to the X-ray irradiation apparatus by wireless means. A radiographic apparatus includes the photo timer, a solid state detector for recording image information by irradiation of X-rays which carry the image information and outputting an image signal representing the image information, and a communication means for sending the image signal to a photography control means by wireless means. Further, cables are not required to connect the X-radiographic apparatus (photo timer) and the X-ray irradiation apparatus, or the X-radiographic apparatus and the photography control means.
摘要:
A scan driver selects first four rows of pixels at a time and then sequentially selects second four rows of pixels for each row in double gate driving. A data driver supplies a tone voltage corresponding to black data to the first four row of pixels at a time and then sequentially supplies a tone voltage corresponding to display data to the second four rows of pixels.
摘要:
A method for the attachment of solder powder includes the steps of treating an exposed metallic surface of an electronic circuit board with a tackifier compound, thereby imparting tackiness to the metallic surface to form a tacky part, and supplying the tacky part with a solder powder slurry suspended in a liquid, thereby inducing attachment of the solder powder. A method for the production of a soldered electronic circuit board, includes the steps of treating an exposed metallic surface of an electronic circuit board with a tackifier compound, thereby imparting tackiness to the metallic surface to form a tacky part; supplying the tacky part with a solder powder slurry suspended in a liquid, thereby inducing attachment of the solder powder, and thermally fusing the attached solder powder, thereby forming a circuit. A method for the attachment of solder powder includes the steps of treating an exposed metallic surface of an electronic circuit board with a tackifier compound, thereby imparting tackiness to the metallic surface to form a tacky part, supplying the tacky part with a solder powder slurry suspended in a liquid, thereby inducing attachment of the solder powder and, on the occurrence of a part devoid of attachment of solder powder in the consequently formed electronic circuit board, supplying the part with a solder powder slurry, thereby inducing attachment of solder powder thereto.
摘要:
A radiation detector includes a substrate, a lower electrode disposed on the substrate, a radiation detecting layer formed on the upper surface of the lower electrode, an upper electrode formed on the upper surface of the radiation detecting layer, a protection layer which is formed on the upper electrode, whose end portion extends to an end surface of the substrate and which covers the upper electrode, and a reinforcement member which is formed from the lower surface of the substrate to the surface of the protection layer and which covers the end portion of the protection layer.