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    • 3. 发明授权
    • One-chip microcomputer with parallel operating load and unload data buses
    • 具有并行运行负载和卸载数据总线的单片机
    • US5414866A
    • 1995-05-09
    • US783906
    • 1991-10-29
    • Hideo Ohmae
    • Hideo Ohmae
    • G06F13/42G06F15/78G06F13/40
    • G06F13/4213G06F15/7814
    • A one-chip microcomputer is equipped with a two-data-bus system, a first and a second data bus, so that data is transferred from an internal register to one bus and different data from RAM or an I/O buffer to the other. The internal register and RAM or the I/O buffer are induced to transfer different data simultaneously to different buses in the same machine cycle at the same timing, respectively. As data exist on different buses, the data on the respective buses can be loaded simultaneously by the internal register and RAM or the I/O buffer at the same timing. As a result, transfer of data to the buses from the internal register and RAM or the I/O buffer can be implemented simultaneously at a given timing within one machine cycle. At the same time, data can be loaded simultaneously from the buses to the internal register and RAM or the I/O buffer at a given different timing.
    • 单片机配备有双数据总线系统,第一和第二数据总线,使得数据从内部寄存器传输到一个总线,并将不同数据从RAM或I / O缓冲器传输到另一个总线 。 引导内部寄存器和RAM或I / O缓冲器分别在相同的时间在相同的机器周期中将不同的数据同时传输到不同的总线。 由于数据存在于不同的总线上,各个总线上的数据可以通过内部寄存器和RAM或I / O缓冲器同时加载。 因此,可以在一个机器周期内的给定时刻同时实现从内部寄存器和RAM或I / O缓冲器向总线传送数据。 同时,数据可以在给定的不同时间从总线同时加载到内部寄存器和RAM或I / O缓冲器。
    • 4. 发明授权
    • Microcomputer
    • 微电脑
    • US5237698A
    • 1993-08-17
    • US802041
    • 1991-12-03
    • Hideo Ohmae
    • Hideo Ohmae
    • G06F1/24G06F1/32
    • G06F1/32G06F1/24
    • A microcomputer that comprises a standby signal generating circuit for supplying a standby signal to a processor and an initial reset circuit for supplying an initial reset signal to the processor when supply voltage becomes lower than a predetermined value, wherein the standby signal is produced in either case where a standby condition is sustained or imposed to switch the processor from an operation mode to a standby mode so that the supply voltage may be lowered during the standby mode, is characterized by the provision of a blocking circuit for blocking the entrance of the initial reset signal into the processor according to the standby signal thus produced.
    • 一种微型计算机,包括用于向处理器提供备用信号的待机信号发生电路和用于在电源电压变得低于预定值时向处理器提供初始复位信号的初始复位电路,其中在任一情况下产生待机信号 其中持续或施加待机状态以将处理器从操作模式切换到待机模式,使得在待机模式期间电源电压可能降低,其特征在于提供阻塞电路以阻止初始复位的进入 根据如此产生的待机信号将信号传送到处理器中。
    • 6. 发明授权
    • Current mirror circuit
    • US06798245B2
    • 2004-09-28
    • US10681891
    • 2003-10-09
    • Hideo Ohmae
    • Hideo Ohmae
    • G05F324
    • G05F3/262
    • A first input transistor of a current mirror, in which one end is connected to a first constant current source and another end is connected to a reference potential (for example, the ground), serves as a current mirror input. A second input transistor, in which one end is connected to a second constant current source, is disposed with being separated from the first input transistor by a predetermined distance. A plurality of output transistors is distributed between the first and second input transistors. The gate-source voltages of the output transistors are substantially equal to those of the first and second input transistors. Therefore, it is possible to provide to a current mirror circuit which has a large number of output transistors, an influence due to the wiring resistance of a feeder line are remarkably reduced without increasing the wiring area for forming the feeder line.
    • 8. 发明授权
    • Rotary encoder and input device using the same
    • 旋转编码器和输入装置使用相同
    • US5644127A
    • 1997-07-01
    • US361379
    • 1994-12-22
    • Hideo Ohmae
    • Hideo Ohmae
    • G01D5/245G01D5/244G01D5/36G06F3/033G06F3/038H03M1/24G01D5/34
    • G06F3/03543G01D5/24476G01D5/2448G01D5/3473G01D5/36G06F3/0312
    • The present invention includes a light receiving unit having a first and second light receiving element which receive light emitted from a light emitting element via slits formed at a rotary disk and respectively generate detection signals whose phases differ from each other substantially by 90.degree.. A first waveform shaping circuit compares the detection signal from the first light receiving element with a reference value and generates a first detection output of a rectangular waveform. A second waveform shaping circuit compares the detection signal from the second light receiving element with the reference value and generates a second detection output of a rectangular waveform. A peak hold circuit receives the detection signal from the first light receiving element and holds the peak value thereof. A reference value generating circuit generates the reference value depending on the peak value held at the peak hold circuit.
    • 本发明包括具有第一和第二光接收元件的光接收单元,该第一和第二光接收元件通过形成在旋转盘上的狭缝接收从发光元件发射的光,并且分别产生相位彼此相差90度的检测信号。 第一波形整形电路将来自第一光接收元件的检测信号与参考值进行比较,并产生矩形波形的第一检测输出。 第二波形整形电路将来自第二光接收元件的检测信号与参考值进行比较,并产生矩形波形的第二检测输出。 峰值保持电路从第一光接收元件接收检测信号并保持其峰值。 参考值产生电路根据峰值保持电路保持的峰值产生参考值。
    • 9. 发明授权
    • Microcomputer with table address forcing for different size memories
    • 具有桌面地址的微型计算机强制用于不同大小的存储器
    • US5355458A
    • 1994-10-11
    • US774312
    • 1991-10-10
    • Hideo Ohmae
    • Hideo Ohmae
    • G06F9/26G06F9/32G06F12/06G06F13/40G06F12/02G06F13/00
    • G06F9/32G06F12/0653G06F12/0684G06F13/4018G06F9/261
    • A microcomputer features the provision of wiring connected to a program counter, the wiring being used for setting a bit at a particular digit position of the program counter to a logical value "0" in proportion to the storage capacity of a memory actually packaged, and when an instruction for gaining access to the rearmost storage area of the largest memory that can be packaged is executed, an address space to be accessed then is forced to be converted to the rearmost address space on the memory thus packaged on the program counter by means of the wiring, whereby data in the rearmost storage area of the memory actually packaged may be accessed with the same program. A process of producing the microcomputer comprises at least the step of setting data in a memory simultaneously with the provision of the wiring for the program counter.
    • 微型计算机具有连接到程序计数器的布线,布线用于将程序计数器的特定数位位置的位设置为与实际封装的存储器的存储容量成比例的逻辑值“0”,以及 当执行用于访问最大存储器的最后存储区域的指令时,将要被访问的地址空间被强制转换到存储在程序计数器上的存储器上的最后地址空间 的布线,由此可以使用相同的程序访问实际封装的存储器的最后存储区域中的数据。 微型计算机的制造方法至少包括在提供程序计数器的配线的同时在存储器中设定数据的步骤。