摘要:
A mechanism for withdrawing and cutting sheet from a storage roll thereof to predetermined lengths includes a feed roll driven by a clutch transferrable between engage and disengage conditions and a shaft rotatable single cycle cutting blade located forward of the feed roll. The shaft is spring biased in a blade sheet cutting forward direction and means are provided for loading the spring following its unloading. The shaft is releasably locked in a blade retracted position and is releasable by a first solenoid to effect a cutting cycle and a timing member rotatable with the shaft acts through a motion transmission to disengage the clutch and releasably lock it in disengage position at least during the cutting of the sheet. Following the cutting cycle, the clutch may be actuated to its engage position by the energization of a second solenoid. Alternatively, the clutch may be fully controlled by the second solenoid by a circuit network responsive to the positions of the timing member.
摘要:
An injection current controller 113 is provided to supply a given injection current. A semiconductor laser (LD) 112 receives the injection current from the injection current controller to output a laser beam. An etalon 114 discriminates the wavelength of the laser beam output from the semiconductor laser. A photodetector (PD) 116 is provided to detect the intensity of the output beam from the etalon. An LD temperature controller 117 performs temperature control of LD so as to bring the output of PD to a predetermined value and, when the output of PD becomes the predetermined value, reserves a corresponding temperature of LD and, at the next temperature control start time, initiates temperature control based on a finally reserved temperature of LD.
摘要:
A tube scanner comprises a piezoelectric ceramic in the form of a hollow cylinder, which is externally surrounded by a Z-axis outside electrode and four slip-shaped driving electrodes arranged at intervals in the circumferential direction. The piezoelectric ceramic is internally surrounded by a Z-axis inside electrode and an XY-axis common electrode. The Z-axis inside electrode faces the Z-axis outside electrode across the piezoelectric ceramic, while the XY-axis common electrode faces the X- and Y-axis driving electrodes across the ceramic. Opposite-polarity voltages are applied to the Z-axis outside electrode and the Z-axis inside electrode, individually, whereupon the tube scanner is displaced in the Z-axis direction.
摘要:
The present invention relates to a confocal microscope and a measuring method by the confocal microscope in which one or a plurality of measuring units to detect a movement amount are disposed facing a Z-stage having a sample laid thereon, the measuring unit detects a relative position between a condensing position of an objective lens and the sample, a maximum value of a change curved line indicated by light intensity information, and a relative position giving this value are estimated based on obtained relative position information, and a plurality of pieces of light intensity information including the maximum light intensity value of the light intensity, and a confocal image is produced using the estimated maximum value of the light intensity and the relative position as reflection luminance information and height information.
摘要:
The present invention discloses a manufacturing method for polarization maintaining optical fiber couplers which are used for joining light signals and at optical fiber branch points. The disclosed manufacturing method employs polarization maintaining optical fibers, and describes a method for mutually aligning the stress applying parts of such optical fibers so that polarized optical signals are maintained in the polarized state when transiting such couplers.