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    • 5. 发明公开
    • Driving methods and driving circuits for sensorless brushless DC motor
    • 的方法和电路,用于驱动无刷DC马达没有传感器。
    • EP0430815A1
    • 1991-06-05
    • EP90403418.8
    • 1990-11-30
    • GOLDSTAR CO. LTD.GOLDSTAR ELECTRON CO., LTD
    • Min, Byung HoonPark, Seung Kyoon
    • H02P6/02
    • H02P6/10H02P6/182H02P6/30
    • A sensorless and brushless DC motor in which phase-corresponding coils are turned on at an electric angle of 180° to increase the maximum speed, less torque ripple is produced to increase the rotational torque by using position detection signals, turn-on signals, charge/discharge control signals, a turn-off decision signal, turn-off signals.
      The driving circuit of DC motor comprises comparators for outputting position detection signals, comparators for outputting turn-on signals, power transistors for turning on phase-corresponding coils, a rotation direction control section, a charge/discharge control section, a charge/discharge section, a turn-off signal generating section, transistors for forcedly turning off the power transistors. The circuits is applicable to motors that require precise servo properties and is capable of obtaining a double speed function in a product such a DC motor-used headphone-type stereophonic product.
    • 无传感器和无刷直流电动机,其中,对应的相线圈被在导通以180°电角度,以增加的最大速度,较小的转矩脉动产生通过使用位置检测用信号,以增加的旋转扭矩,开启信号,电荷 /放电控制信号,关断判断信号关断信号。 DC电动机的驱动电路包括用于输出铃声接通信号,功率晶体管为导通对应的相线圈,旋转方向控制部,充电/放电控制部,充电/放电部分,用于输出铃声位置检测信号的比较器,比较器 中,关断信号生成部,用于强制地关断功率晶体管的晶体管。 电路适用于马达也需要精确的伺服特性,并且能够在一个productssuch获得一个双速功能的直流电动机使用的耳机型立体声产物。
    • 6. 发明授权
    • Automatic data backup apparatus for microcomputer
    • 微机自动数据备份装置
    • US5878247A
    • 1999-03-02
    • US899597
    • 1997-07-24
    • Dong-Soo Cho
    • Dong-Soo Cho
    • G06F11/22G06F3/00G06F11/14G06F11/26G06F11/28
    • G06F11/1461G06F11/261
    • An improved automatic data backup apparatus for a microcomputer capable of automatically backing up a user's program at a central processing unit(CPU), which includes a central processing unit(CPU) for performing a user program and a monitor program outputted from a first emulator input/output circuit and a data/address bus; a second emulator input/output circuit for outputting a register signal applied thereto and for inputting/outputting a data between a register data bus connected to an emulator and a backup register bus; and a data backup storing circuit for automatically backing up a data stored in a register of the CPU corresponding to a user program performed in the CPU in accordance with a monitor program request signal outputted from the second emulator input/output circuit, a register signal, a register recording signal, and a register judgement signal and for applying a data stored in a register in the CPU corresponding to a user program which is changed by a backed-up monitor program.
    • 一种用于能够在中央处理单元(CPU)处自动备份用户程序的微型计算机的自动数据备份装置,其包括用于执行用户程序的中央处理单元(CPU)和从第一仿真器输入输出的监视程序 /输出电路和数据/地址总线; 用于输出施加到其上的寄存器信号并用于在连接到仿真器的寄存器数据总线与备用寄存器总线之间输入/输出数据的第二仿真器输入/输出电路; 以及数据备份存储电路,用于根据从第二仿真器输入/输出电路输出的监视程序请求信号自动备份存储在与CPU执行的用户程序相对应的CPU的寄存器中的数据,寄存器信号, 寄存器记录信号和寄存器判断信号,并且用于将存储在CPU中的寄存器中的数据应用于与被备份的监视程序改变的用户程序相对应的数据。
    • 8. 发明授权
    • Signal reception apparatus having automatic level selection function
    • 具有自动电平选择功能的信号接收装置
    • US5703505A
    • 1997-12-30
    • US369456
    • 1995-01-06
    • Ki Jo Kwon
    • Ki Jo Kwon
    • H04B15/00H03K5/08H03K5/22
    • H03K5/082
    • A signal reception apparatus has an automatic level selection function. A comparing circuit compares a level of an input signal with a plurality of sensing levels and outputs a plurality of sensing signals in accordance with the compared result. An auto select level controller receives the plurality of sensing signals from the comparing circuit and selects one of the plurality of sensing levels in response to the plurality of sensing signals. The auto select level controller includes a plurality of flip flop stages. Each of the plurality of flip flop stages has a plurality of flip flops connected in series and is coupled to a corresponding one of the plurality of sensing signals from the comparing circuit. A circuit receives the output signals from the plurality of flip flop stages and selects one of the plurality of sensing levels in response to the inputted sensing signals.
    • 信号接收装置具有自动电平选择功能。 比较电路将输入信号的电平与多个感测电平进行比较,并根据比较结果输出多个感测信号。 自动选择电平控制器从比较电路接收多个感测信号,并响应于多个感测信号选择多个感测电平中的一个。 自动选择电平控制器包括多个触发器级。 多个触发器级中的每一个具有串联连接的多个触发器,并且被耦合到来自比较电路的多个感测信号中的对应的一个触发器。 电路接收来自多个触发器级的输出信号,并响应于所输入的感测信号选择多个感测电平中的一个。
    • 9. 发明授权
    • Method for manufacturing thin film transistor
    • 制造薄膜晶体管的方法
    • US5681760A
    • 1997-10-28
    • US367813
    • 1995-01-03
    • Min Hwa Park
    • Min Hwa Park
    • H01L21/20H01L21/336H01L29/786H01L21/225
    • H01L29/78696H01L21/2022H01L29/66765H01L29/78621H01L29/78678
    • A method for manufacturing a thin film transistor is disclosed. To solve the problems of leakage current generated at the grain boundary which passes through a source and a drain and the difficulty in obtaining stable device characteristic owing to the change of the lengths of the channel region and the offset region according to the degree of the overlay misalignment, the method includes the steps of forming a polysilicon layer on a substrate, forming an impurity-containing layer on the polysilicon layer, forming a prescribed pattern by patterning the impurity-containing layer, flowing the impurity-containing layer by heat treating, and crystallizing the polysilicon layer by annealing using a prescribed light source, wherein the flowed impurity-containing layer functions a lens during crystallizing the polysilicon layer to generate a partial temperature difference between the portion of the polysilicon layer where the impurity-containing layer is formed and the portion of the polysilicon layer where the impurity-containing layer is not formed.
    • 公开了一种制造薄膜晶体管的方法。 为了解决在通过源极和漏极的晶界处产生的漏电流的问题以及由于沟道区域和偏移区域的长度的变化而导致的难以获得稳定的器件特性, 该方法包括以下步骤:在衬底上形成多晶硅层,在多晶硅层上形成含杂质层,通过图案化杂质含量层,通过热处理使含杂质层流动,形成规定图案;以及 通过使用规定的光源进行退火来使多晶硅层结晶,其中流动的含杂质层在结晶多晶硅层期间起作用,从而在形成含杂质层的多晶硅层的部分和 不形成含杂质层的多晶硅层的部分。