摘要:
An automatic focusing apparatus for use in a video camera and the like wherein one optical element other than a focusing lens means of an optical system is moved for focusing in the in-focus direction while being vibrated slightly by means of a motor capable of being driven by pulses.
摘要:
A magnetic disc recording and reproducing device having a rotatable magnetic disc, a magnetic head for reading/writing information on the magnetic disc, a magnetic head displacing mechanism for displacing the magnetic head in the direction of a radius of the magnetic disc, an electric motor for driving the magnetic head displacing mechanism, a damper connected to a shaft of the motor and having a housing which is rotatable with the shaft of the motor, and a lock mechanism for permitting the rotation of the housing of the damper only when the magnetic head displacing mechanism is actuated.
摘要:
A common insulation plate is provided on a heat-discharging support member, and a plurality of press-packed semiconductor elements is provided on the common insulation plate. These semiconductor elements are coupled to electrodes which form a common electrode by a plurality of spring mechanisms. An internal connection terminal is slidably provided at each of the electrodes and is bent perpendicular to a pressing surface. Each of the internal connection terminals faces the adjacent one. After the electrodes are pressed against the respective semiconductor elements with adjustment, the internal connection terminals are electrically coupled together.
摘要:
A method of sensing the current position of a movable element in a position control system which includes first and second control devices each having command pulse generating means and error storage means for computing and storing an error between a number of command pulses and a number of feedback pulses indicative of an amount of motor movement, a speed control circuit for driving and controlling the motor on the basis of the error in the storage means, and a switching circuit for selectively connecting the first and second control devices to the speed control circuit, the current position of the movable elements being sensed by the first control device when the second control device is connected to the speed control circuit. The method includes the following steps, when the second control device is connected to the speed control circuit, of reading and storing, as a steady deviation, the error in the error storage means of the first control device after the motor is rotated in accordance with the magnitude of drift of a closed loop formed by the second control device. The data in a current position register of the first control device is then updated on the basis of an arithmetic difference found by subtracting the stored steady deviation from the data in the error storage means of the first control device and revised in the error storage means of the first control device on the basis of the arithmetic difference.
摘要:
The present invention relates to preparation of insoluble electrodes having few surface defects and long life. The process for the preparation of electrodes comprises coating the surface of an electroconductive, corrosion resisting base metal (1) with at least one member selected from the platinum group metals and applying laser beams having energy density of 1 KW/cm.sup.2 or higher to the coated surface at a laser energy of 10 Kjoule/cm.sup.2 or less, thereby improving said surface due to its rapid heat treatment.
摘要翻译:本发明涉及表面缺陷少,寿命长的不溶性电极的制备。 用于制备电极的方法包括用至少一种选自铂族金属的元件涂覆导电耐腐蚀基体金属(1)的表面,并将涂覆的能量密度为1KW / cm 2或更高的激光束涂覆到涂覆 表面的激光能量为10千焦耳/平方厘米或更小,从而由于其快速热处理而改善了所述表面。
摘要:
A forming method of a protective film made of oxide containing any one of calcium oxide (CaO), strontium oxide (SrO) and barium oxide (BaO) and having a higher band gap than that of magnesium oxide (MgO) (higher than 7.9 eV) is provided. By adjusting a time constant of a protective film to a predetermined value or larger, the voltage drop time is adjusted so as to be usable for a plasma display panel. At this time, the time constant τ(=C×R) defined by the discharge capacitance C and the protective film resistance R is referenced.
摘要:
A storage device including a plurality of storage units for storing data dispersively among the storage units, includes: a processor for controlling boot-up of the storage units; and a memory for storing operation history indicative of the sequence of any failure causing any of the storage units to become inoperative, the processor controlling reboot-up of the storage units, when a plurality of the storage units becomes inoperative on account of a plurality of failures, in accordance with process including: determining the order of the reboot up of the storage units that is reversal of the sequence of the failures causing the storage units to become inoperative in reference to the operation history in the memory; rebooting the inoperative storage units successively in accordance with the determined order.
摘要:
Pitch-based graphitized short fibers formed from mesophase pitch as a raw material, having an average fiber diameter of 5 to 20 μm, a percentage (CV value) of a variance of a fiber diameter with respect to the average fiber diameter of 8 to 15%, a number average fiber length of 20 to 500 μm, and a crystallite size (La) derived from a growth direction of a hexagonal net plane of 30 nm or more, having graphene sheets that are closed upon observation of an end surface of a filler with a transmission electron microscope, and a substantially flat surface observed with a scanning electron microscope, and having an R value, which is a relative intensity ratio (ID/IG) of an intensity (ID) of a Raman band in the vicinity of 1,360 cm−1 to an intensity (IG) of a Raman band in the vicinity of 1,580 cm−1 measured by laser Raman spectroscopy, in a range of 0.01 to 0.07. The short fibers can be filled in a rubber composition at a high density without inhibition of curing of the rubber composition.
摘要:
The present invention provides a nonaqueous secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolyte. A porous layer containing an insulating material not reactive with Li is disposed on a surface of the negative electrode active material containing layer opposite to the side facing the negative electrode current collector or a binder in the negative electrode active material containing layer is polyimide, polyamideimide or polyamide; and the negative electrode current collector has a 0.2% proof stress of 250 N/mm2 or more or the negative electrode current collector has a tensile strength of 300 N/mm2 or more.
摘要翻译:本发明提供一种包含正极,负极和非水电解质的非水二次电池。 含有与Li不反应的绝缘材料的多孔层设置在与负极集电体相对的负极活性物质含有层的表面上,负极活性物质含有层中的粘合剂为聚酰亚胺,聚酰胺酰亚胺或 聚酰胺; 负极集电体的0.2%屈服应力为250N / mm 2以上,负极集电体的拉伸强度为300N / mm 2以上。
摘要:
A partitioned electrical junction box includes at least three partitioned junction box main bodies slidingly joined together to form a main cover, a lower cover and upper cover fitted into the main cover. The lower cover is fitted into a recess groove of the main cover, and the upper cover is fitted into an outside of the main cover. The three partitioned junction box main bodies respectively receive different functional components. First fitting parts are adjacently provided on any two of the partitioned junction box main bodies, and a first bracket is slidingly fitted into the first fitting parts simultaneously to join the two partitioned junction box main bodies.