摘要:
A workpiece cradle and a clamp arm is provided, and an arm opening/closing cylinder 15 for opening and closing the clamp arm and the workpiece cradle are attached to a moving block 13. To a workpiece-cradle driving cylinder 23 provided with a piston rod 25 for driving the moving block 13, fluid is supplied from workpiece-cradle driving supply/discharge ports 27a and 27b formed in a manifold block 21. To the moving block 13, guide rods 33a and 33b are fixed and, to the arm opening/closing cylinder 15, fluid is supplied, from arm driving supply/discharge ports 34a and 34b formed in the manifold block 21, via hollow holes 36a and 36b in the guide rods 33a and 33b and via fluid supply/discharge paths 43a and 43b in the moving block 13.
摘要:
A workpiece cradle and a clamp arm is provided, and an arm opening/closing cylinder 15 for opening and closing the clamp arm and the workpiece cradle are attached to a moving block 13. To a workpiece-cradle driving cylinder 23 provided with a piston rod 25 for driving the moving block 13, fluid is supplied from workpiece-cradle driving supply/discharge ports 27a and 27b formed in a manifold block 21. To the moving block 13, guide rods 33a and 33b are fixed and, to the arm opening/closing cylinder 15, fluid is supplied, from arm driving supply/discharge ports 34a and 34b formed in the manifold block 21, via hollow holes 36a and 36b in the guide rods 33a and 33b and via fluid supply/discharge paths 43a and 43b in the moving block 13.
摘要:
Disclosed is a high-pressure discharge lamp (100) that reduces the occurrence of cracks even under high mercury vapor pressure. The high-pressure discharge lamp (100) is provided with a glass arc tube (102) including a light-emitting part (103) and a sealing part (104) connected to the light-emitting part (103), the light-emitting part (103) enclosing a discharge space, and a pair of electrodes (101), one end of each of the electrodes (101) facing one end of the other electrode (101) in the discharge space, and another end of each electrode (101) being embedded in the sealing part (104) and connected to a metal foil (105), at least one embedded section of the pair of electrodes (101) including at least one projection (101c).
摘要:
A multi-beam image forming apparatus is disclosed in which a semiconductor laser array including plural semiconductor laser elements serves as an optical beam generation unit. The apparatus includes a printing ratio counting unit that counts printing ratios of the semiconductor laser elements in plural printing areas divided in a scanning direction based on image data transmitted from a host unit; and a light amount control unit that controls emission light amounts of the semiconductor laser elements based on a result from the printing ratio counting unit. The light amount control unit calculates droop correction values corresponding to the printing areas from the printing ratios of the semiconductor laser elements based on the printing ratios in the printing areas counted by the printing ratio counting unit so as to correct the light amounts of the semiconductor laser elements.
摘要:
A rotary anode type X-ray tube is controlled by an X-ray emission control device. In the X-ray emission control device, the maximum permissible storage heat quantity which can be applied to the rotary anode of the X-ray tube is set, the anode storage heat quantity which is lowered based on the cooling characteristic of the rotary anode is calculated, the present anode storage heat quantity is calculated, and the imaginary anode storage heat quantity for the next X-ray emitting condition which is derived by calculation using the correction functions based on the anode input power, emission continuation time, anode rotation speed and focal point size, the anode input power of the next predicted X-ray emission, and X-ray emission continuation time is calculated. The maximum permissible storage heat quantity, the present anode storage heat quantity and the imaginary anode storage heat quantity in the next X-ray emitting condition are compared and calculated to determine permission or inhibition of the next X-ray emission. The performance of the mounted X-ray tube is fully utilized by use of the X-ray emission control device, the wait time to the next X-ray emission can always be suppressed to minimum, and the X-ray tube apparatus can be controlled with high speed and high reliability.
摘要:
A control device for feeding and positioning a film precisely, in a camera, a printing apparatus, etc., includes a photo interrupter with a light emitter, a light detector for detecting a light emitted from the light emitter, and a holding member for keeping both the light emitter and the light detector in position; a frame with a guiding member for guiding a film having a longitudinal edge with a plurality of perforations which travels between the light emitter and the light detector of the photo interrupter; a perforation detector for detecting a perforation based upon a signal outputted from the light detector, which outputs the signal each time a perforation of the film edge passes a location corresponding to an optical axis existing between the light emitter and the light detector; and a controller for controlling a film feeding operation in accordance with the detection of a perforation by the perforation detector.
摘要:
An image recording apparatus that records a visible image on a recording medium by successively entering image signals forming an image. The apparatus comprises a standard pattern detector detecting standard patterns from the input image signals, image density measuring device measuring density of an output signal, image quality judging device judging image quality of every standard pattern output of the image density measuring device, and process controller deciding process parameters on the basis of signals output of the image quality judging device before controlling image quality of the output signal using the process parameters. The apparatus therefore can save the toner and paper and control for high image quality.
摘要:
In an X-ray tube apparatus of a rotating anode type, a stator surrounds an anode rotary structure and an insulating container section placed around the outer periphery of a stationary structure such that a portion of its coil conductor located near the anode target side constitutes an expanding flared coil conductor portion. Therefore, it is possible, for the X-ray tube equipped with an envelope having a large-diameter metal section and small-diameter insulating container section, to shorten the axial length from an anode target of the X-ray tube to a far end of the rotary structure and to suppress the build-up of electric charges on the inner surface of the insulating container section.
摘要:
An x-ray tube device with an anode target capable of rotation and a cathode which generates electrons causing them to collide with the target set in a vacuum envelope, and with a shaft which supports and rotates the anode projecting outside the envelope. This x-ray tube device has a structure such that the target is cooled by coolant flowing through coolant channels in the shaft. A vacuum seal is maintained by seal means such as magnetic fluid seal between the envelope and the rotating shaft. The envelope and coolant channels are best maintained at ground potential, and thus have an intermediate potential, with high positive and negative voltages supplied to the anode target and cathode.
摘要:
A multi-beam image forming apparatus includes: first and second semiconductor laser arrays each having n laser elements; a multi-beam generation unit that generates 2n laser beams by synthesizing laser beams generated by the first and second semiconductor laser arrays; a beam detection unit that generates synchronous detection signals to obtain synchronous scanning of the respective laser beams; and a control unit. The beam detection unit includes first and second beam detection units disposed substantially at a same position in a main scanning direction and adjacently disposed in a sub-scanning direction. The n laser beams of the first and second semiconductor laser arrays are detected by the first and second beam detection unit, respectively. The control unit controls image formation start positions of the 2n laser beams on the basis of the synchronous detection signals output from the first and the second beam detection units.