摘要:
A watchdog timer capable of detecting clock signals when the opening frequency of a frequency source drifts lower or higher than a normal desired operating range, increasing circuit safety and reliability. The timer uses first and second clock oscillation circuits to generate first and second signals of frequencies f.sub.1 and f.sub.2 which are then divided by 1/N.sub.1 and 1/N.sub.2 in first and second frequency dividers, respectively. Third and fourth frequency dividers are used to divide the second frequency signal f.sub.2 by 1/N.sub.3 and 1/N.sub.4, respectively. A scale of N.sub.5 counter is connected to receive the f.sub.1 /N.sub.1 frequency signal as a clock input and the f.sub.2 /N.sub.3 frequency signal as a reset input, and provides an output signal at a frequency of (f.sub.1 /N.sub.1)/N.sub.5 which is less than f.sub.2 /N.sub.3 when the clock circuits are operating under normal conditions. A scale of N.sub.6 counter is connected to receive the f.sub.2 /N.sub.4 frequency signal as a clock input and the f.sub.1 /N.sub.2 frequency signal as a reset input, and provides an output signal at a frequency of (f.sub.2 /N.sub.4)/N.sub.6 which is less than f.sub.1 /N.sub.2 under normal conditions. A discrimination circuit is connected to monitor the outputs of the scale of N.sub.5 and N.sub.6 counters to determine the presence of a fault by detecting when either output no longer meets the associated relationship.
摘要:
A laminated layer type electrophotographic photosensitive member has a charge generation layer and a charge transport layer on an electroconductive support, characterized in that the charge generation layer has at least one of disazo pigments represented by the formulae (1) and (2).
摘要:
An electrophotographic photosensitive member comprises a photosensitive layer on a substrate, said photosensitive layer comprising a disazo pigment represented by the formula (1).
摘要:
A micropump including a tube unit and a control unit. The control unit has a plurality of fingers. A cam sequentially presses the plurality of fingers from an inlet side to an outlet side of the tube. A drive unit gives rotation force to the cam, a control circuit unit controls operation of the drive unit, and a device frame holds the plurality of fingers, the cam, the drive unit, and the control circuit unit. A reservoir communicates with an inlet port of the tube; and a power source supplies power to the control circuit unit, wherein the tube unit is detachably attached to the control unit substantially in the horizontal direction with respect to the rotation surface of the cam and attached to the inside of a space produced by the device frame.
摘要:
A fluid transportation system includes a fluid transportation device housing a flexible tube, a pump unit for ejecting a fluid by squeezing the tube, a communication section, and a battery, an ejection data processing device having an input device for inputting to the fluid transportation device a driving condition for ejecting a desired ejection amount of the fluid, a display section for displaying at least the driving condition, and a communication device for connecting the fluid transportation device and the ejection data processing device to each other, wherein the fluid transportation device is driven based on the driving condition input from the ejection data processing device.
摘要:
A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space between the tube and the first and second cams. The first and second cams produce a first condition where the fingers are all released and a second condition where at least one of the fingers constantly closes the tube. The first and second cams sequentially press the fingers, and the fingers sequentially repeat closure and release of the tube so that fluid can continuously flow.
摘要:
A fluid conveyance system includes: a fluid conveyance device including a micro pump module which compresses a flexible tube communicating with a fluid containing receptacle and discharges a fluid, a memory device furnished on the micro pump module which stores individual identification data of the micro pump module, and a power source; a discharge data processing device which stores basic data for driving the fluid conveyance device; and a communication device having a communication unit which interconnects the fluid conveyance device and the discharge data processing device, wherein the discharge data processing device inputs discharge data, for discharging a desired discharge amount of a fluid, calculated from the identification data and the basic data read via the communication device, into the memory device via the communication device, and the fluid conveyance device is driven based on the discharge data.
摘要:
The present invention provides an organic semiconductor device, which can be produced uniformly on a large substrate, having a high mobility and capable of greatly modulating the drain current by varying the voltage applied to a gate electrode. The present invention provides an organic semiconductor device having at least a substrate, an organic semiconductor, a gate insulating film and conductors, and having electrodes for applying bias, wherein a polymer layer, which is different from the gate insulating film, is provided in contact with the organic semiconductor, and the polymer layer is formed of a copolymer of methyl methacrylate and divinylbenzene, or the like; a process for producing the organic semiconductor device; and an organic semiconductor apparatus using the organic semiconductor device.
摘要:
A fluid transportation device includes: an outer case having a sealed space; a tube having elasticity; a fluid transport mechanism having fingers that occlude the tube and a cam that successively presses the plurality of fingers; a driving force transmission mechanism disposed so as to be overlapped with the fluid transport mechanism, and transmitting a driving force to the fluid transport mechanism; a reservoir disposed at a position so as not to overlap the fluid transport mechanism and the driving force transmission mechanism; a port through which the fluid is injected into the reservoir; and an electric power supply supplying electric power to the driving force transmission mechanism. In this fluid transportation device, at least the fluid transport mechanism, the driving force transmission mechanism, and the electric power supply are housed in the sealed space of the outer case.
摘要:
An electrophotographic system is constituted by an electrophotographic photosensitive member, a charger for charging the photosensitive member to a potential, and an illuminator for illuminating the charged photosensitive member with a light beam to form an electrostatic image thereon. The electrophotographic photosensitive member has a potential-exposure energy characteristic providing an induction energy and a gamma valve varying depending on an electric field intensity induced by the charged potential. The electrophotographic system further includes a controller for controlling the charged potential on the photosensitive member corresponding to resolution and gradation data of an original, so as to optimally reproduce the resolution and gradation, as desired, of the original.