会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Semiconductor integrated circuit, PWM signal output device, and power conversion control apparatus
    • 半导体集成电路,PWM信号输出装置和电力转换控制装置
    • US07944720B2
    • 2011-05-17
    • US12192007
    • 2008-08-14
    • Takahiro SuzukiYasuo NotoharaTsunehiro EndoYuji Mori
    • Takahiro SuzukiYasuo NotoharaTsunehiro EndoYuji Mori
    • H02M1/10
    • H03K7/08G06F1/025H02P27/08
    • Provided is a control technique of a PWM conversion type power converter capable of compensating for a voltage error due to voltage drop mainly at a switching element and managing a switching time of a PWM signal at the same time, and capable of suppressing increase/decrease of software operation load and addition of a hardware circuit to the minimum. A semiconductor integrated circuit having a PWM signal generating unit which generates a PWM signal is provided with a PWM timer unit including a counter counting a pulse width of a pulse signal inputted from the outside with delay from a PWM signal, a register loading a counter value of the counter in synchronization with the PWM signal, and an A/D converting unit converting an analog signal serving as a source signal of the pulse signal inputted from the outside to a digital signal.
    • 提供了一种PWM转换型电力转换器的控制技术,其能够主要在开关元件处补偿由于电压降引起的电压误差,并且同时管理PWM信号的开关时间,并且能够抑制 软件操作负载和硬件电路的添加至少。 具有产生PWM信号的PWM信号产生单元的半导体集成电路具有PWM定时器单元,该PWM定时器单元包括对来自PWM信号的延迟从外部输入的脉冲信号的脉冲宽度进行计数的计数器单元, 的计数器,以及将从外部输入的脉冲信号的源信号用作数字信号的模拟信号的A / D转换单元。
    • 6. 发明授权
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US06958790B2
    • 2005-10-25
    • US10954261
    • 2004-10-01
    • Hitoshi TaniguchiYasuo HiraYuji Mori
    • Hitoshi TaniguchiYasuo HiraYuji Mori
    • G02B6/00F21V8/00G02F1/1335G02F1/13357
    • G02B6/0036G02B6/0061G02F1/133615
    • A liquid crystal display apparatus having a light conductor plate, a liquid crystal cell arranged on a front surface side of the light conductor plate, and a light source arranged on a side surface of the light conductor plate so as to light the liquid crystal cell from a back surface side thereof. The light conductor plate has an incident surface for a light from the light source, a light emitting surface for emitting the input light to the liquid crystal cell, and a plurality of dots constituted by small projecting portions or small recess portions for changing a moving direction of the light from the incidence surface toward a direction of the light emitting surface. The dots are formed in at least one of the light emitting surface and a surface of the light conductor plate opposite to the light emitting surface and have a particular configuration.
    • 一种具有导光板的液晶显示装置,配置在该导光板的前表面侧的液晶单元,以及配置在该导光板的侧面的光源,以使该液晶元件从 其背面侧。 光导体板具有用于来自光源的光的入射面,用于将输入光发射到液晶单元的发光面,以及由小突起部或小凹部构成的多个点,用于改变移动方向 从入射面朝向发光面的方向的光。 这些点形成在光发射表面和与发光表面相对的光导体板的表面中的至少一个中,并且具有特定的构造。