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11. 发明授权

US07518431B2 Semiconductor integrated circuit for processing audio and video signals 失效
标题翻译：用于处理音视频信号的半导体集成电路
公开(公告)号：US07518431B2
公开(公告)日：2009-04-14
申请号：US11232683
申请日：2005-09-22
申请人： Taku Kobayashi , Keiichi Fujii
发明人： Taku Kobayashi , Keiichi Fujii
IPC分类号： G05F1/10 , G05F3/02
CPC分类号： H02M3/07
摘要： A semiconductor integrated circuit includes a charge pump circuit that repeats charge and discharge of a capacitor based on a clock signal when an ON/OFF control voltage is ON; a first delay circuit that delays the ON/OFF control voltage; a switch that shorts an output of the charge pump circuit and a GND input terminal when the delayed ON/OFF control voltage is OFF and opens when the delayed ON/OFF control voltage is ON; a first circuit block that is driven by a power voltage which is supplied from a power source input terminal and the charge pump circuit; and a second circuit block that is driven by a power voltage which is supplied from the power source input terminal and the GND input terminal. The first and second circuit blocks are mounted on the same semiconductor integrated circuit chip.
摘要翻译：半导体集成电路包括电荷泵电路，其在ON / OFF控制电压为ON时基于时钟信号重复电容器的充电和放电; 延迟ON / OFF控制电压的第一延迟电路; 当延迟的ON / OFF控制电压为OFF时，断开电荷泵电路的输出和GND输入端子的开关，当延迟的ON / OFF控制电压为ON时，该开关断开; 由从电源输入端子和电荷泵电路供给的电源电压驱动的第一电路块; 以及由从电源输入端子和GND输入端子提供的电源电压驱动的第二电路块。第一和第二电路块安装在相同的半导体集成电路芯片上。

12. 发明授权

US07313218B2 Radiographic apparatus and radiation detection signal processing method 失效
标题翻译：射线照相设备和放射线检测信号处理方法
公开(公告)号：US07313218B2
公开(公告)日：2007-12-25
申请号：US10901212
申请日：2004-07-29
申请人： Shoichi Okamura , Keiichi Fujii , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
发明人： Shoichi Okamura , Keiichi Fujii , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
IPC分类号： G12K1/12
CPC分类号： G01T1/171 , A61B6/4233 , A61B6/4441 , A61B6/583 , A61B6/587 , Y10S378/901
摘要： A radiographic apparatus removes lag-behind parts from radiation detection signals taken from an FPD as X rays are emitted from an X-ray tube, on an assumption that the lag-behind part included in each X-ray detection signal is due to an impulse response formed of a plurality of exponential functions with different attenuation time constants. When a single attenuation time constant and intensity are provisionally set, checking is made whether an attenuation to a noise level of X-ray detection signals occurs in an X-ray non-emission state following an X-ray emission state. When the set attenuation time constant and intensity are found appropriate (OK), the impulse response having the single exponential function is determined valid. Corrected radiation detection signals are obtained by removing the lag-behind parts using the impulse response determined.
摘要翻译：假设每个X射线检测信号中包含的滞后部分是由于脉冲而引起的，X射线从X射线管发射，从放射线检测信号中取出的放射线检测信号中的放射线照相设备响应由具有不同衰减时间常数的多个指数函数形成。当暂时设定单个衰减时间常数和强度时，检查在X射线发射状态之后的X射线非发射状态下是否产生对X射线检测信号的噪声水平的衰减。当确定设定的衰减时间常数和强度是合适的（OK）时，具有单指数函数的脉冲响应被确定为有效。使用确定的脉冲响应去除滞后部分来获得校正的放射线检测信号。

13. 发明授权

US07307465B2 Step-down voltage output circuit 有权
标题翻译：降压电压输出电路
公开(公告)号：US07307465B2
公开(公告)日：2007-12-11
申请号：US10923848
申请日：2004-08-24
申请人： Taku Kobayashi , Keiichi Fujii
发明人： Taku Kobayashi , Keiichi Fujii
IPC分类号： G05F1/10
CPC分类号： H02M3/07 , H02M2003/072
摘要： To provide a step-down voltage output circuit which causes no latch-up phenomenon for the period between activation of a power supply and complete start of operation of a charge pump circuit. The step-down voltage output circuit of the present invention has the charge pump circuit with a first oscillator; a timer circuit in which a timer period is set according to an oscillating frequency of the above-mentioned first oscillator; and an N-channel MOS transistor in which one N-type diffusion layer is connected to an output terminal of the above-mentioned charge pump circuit, the other N-type diffusion layer is connected to ground potential, and a gate electrode is connected to an output terminal of the above-mentioned timer circuit to become conductive for the above-mentioned timer period.
摘要翻译：提供降压电压输出电路，其在电源的激活和电荷泵电路的完全启动之间的期间不引起闩锁现象。本发明的降压电压输出电路具有带有第一振荡器的电荷泵电路; 定时器电路，其中根据上述第一振荡器的振荡频率设置定时器周期; 以及N沟道MOS晶体管，其中一个N型扩散层连接到上述电荷泵电路的输出端，另一个N型扩散层连接到地电位，栅电极连接到上述定时器电路的输出端子在上述定时器周期中变为导通。

14. 发明授权

US07203279B2 Radiographic apparatus, and radiation detection signal processing method 有权
标题翻译：射线照相设备和放射线检测信号处理方法
公开(公告)号：US07203279B2
公开(公告)日：2007-04-10
申请号：US11087555
申请日：2005-03-24
申请人： Keiichi Fujii , Shoichi Okamura , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
发明人： Keiichi Fujii , Shoichi Okamura , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
IPC分类号： H05G1/58
CPC分类号： G01T1/2928 , A61B6/00 , A61B6/585 , H04N5/32 , H04N5/367
摘要： In the radiographic apparatus according to this invention, when a radiographic mode designator 16 designates a non-standard radiographic mode, a signal corrector 15 uses defect information stored in one of non-standard image defect information memories 18B–18E for correcting X-ray detection signals outputted from an FPD 2. Since the pixel defect information for non-standard X-ray images is acquired by a pixel defect information converter 19 through a conversion from defect information for standard X-ray images stored in a standard image defect information memory 18A, it is unnecessary to collect output signals for pixel defect information acquisition from the FPD 2 all over again. As a result, abnormal X-ray detection signals due to defects of radiation detecting elements may be corrected promptly, regardless of how the radiation detecting elements are assigned to the pixels in the X-ray images.
摘要翻译：在根据本发明的射线照相设备中，当射线照相模式指示符16指定非标准射线照相模式时，信号校正器15使用存储在非标准图像缺陷信息存储器18B-18E之一中的缺陷信息来校正X- 从FPD2输出的射线检测信号。由于通过从存储在标准图像缺陷信息中的标准X射线图像的缺陷信息的转换，由像素缺陷信息转换器19获取非标准X射线图像的像素缺陷信息存储器18A，不需要再次从FPD 2采集用于像素缺陷信息获取的输出信号。结果，可以迅速地校正由于放射线检测元件的缺陷引起的异常X射线检测信号，而不管X射线图像中的像素如何分配辐射检测元件。

15. 发明申请

US20070024347A1 Semiconductor integrated circuit 审中-公开
标题翻译：半导体集成电路
公开(公告)号：US20070024347A1
公开(公告)日：2007-02-01
申请号：US11488503
申请日：2006-07-18
申请人： Toshinobu Nagasawa , Tetsushi Toyooka , Keiichi Fujii
发明人： Toshinobu Nagasawa , Tetsushi Toyooka , Keiichi Fujii
IPC分类号： G05F1/10
CPC分类号： H02M3/07 , H02M1/36
摘要： A semiconductor integrated circuit includes a charge pump circuit for stepping down or stepping up a voltage supplied from a single voltage supply VDD and outputting the voltage, by repeating an operation of charging a flying capacitor C1 and transferring charges stored in the flying capacitor to a storage capacitor C2. During the operation of the charge pump circuit, current supply for charging the flying capacitor is carried out by a current mirror operation. The semiconductor integrated circuit thus obtained by including the charge pump circuit is characterized in that rush current on startup of charge pumping is reduced and that output performance of a DC-CD converter is not impaired.
摘要翻译：半导体集成电路包括电荷泵电路，用于通过重复对飞跨电容器C1进行充电的操作并将存储在飞行电容器中的电荷转移到一个电压源中，从而降低或升高从单个电压源VDD提供的电压并输出该电压存储电容器C 2。在充电泵电路的操作期间，通过电流反射镜操作来执行用于对飞跨电容器充电的电流源。由此获得的包含电荷泵电路的半导体集成电路的特征在于，电荷泵浦启动时的冲击电流降低，DC-CD转换器的输出性能不受损害。

16. 发明授权

US07015759B2 AGC circuit 失效
标题翻译： AGC电路
公开(公告)号：US07015759B2
公开(公告)日：2006-03-21
申请号：US10899006
申请日：2004-07-27
申请人： Takuma Ishida , Keiichi Fujii
发明人： Takuma Ishida , Keiichi Fujii
IPC分类号： H03G3/10
CPC分类号： H03G3/001 , H03G3/3026
摘要： An AGC circuit of the present invention includes a first up/down counter for converting the amount of change in an output voltage higher than a threshold voltage into a count value and controlling a gain of a variable gain amplifier circuit and a second up/down counter to which a reference clock having a lower frequency than that of a reference clock supplied to the first up/down counter is supplied. Count values of the first and second up/down counters are D/A-converted and then compared with each other by a voltage comparator. An up/down count of the first up/down counter is controlled based on a comparison result and the gain of the variable gain amplifier circuit is controlled using only a signal based on the count value of the first up/down counter, thereby suppressing distortion of an output waveform and the generation of a frequency signal which is not originally input.
摘要翻译：本发明的AGC电路包括：第一上/下计数器，用于将高于阈值电压的输出电压的变化量转换成计数值，并控制可变增益放大器电路和第二上/下计数器的增益提供具有比提供给第一向上/向下计数器的参考时钟低的参考时钟的参考时钟。第一和第二上/下计数器的计数值进行D / A转换，然后通过电压比较器进行比较。基于比较结果控制第一向上/向下计数器的向上/向下计数，并且仅使用基于第一向上/向下计数器的计数值的信号来控制可变增益放大器电路的增益，由此抑制失真的输出波形和不是最初输入的频率信号的产生。

17. 发明授权

US06977550B2 AGC circuit 失效
标题翻译： AGC电路
公开(公告)号：US06977550B2
公开(公告)日：2005-12-20
申请号：US10713274
申请日：2003-11-17
申请人： Takuma Ishida , Taku Kobayashi , Keiichi Fujii
发明人： Takuma Ishida , Taku Kobayashi , Keiichi Fujii
IPC分类号： H03G3/20 , H03G3/30
CPC分类号： H03G3/3036
摘要： An AGC circuit, which does not require any signal integration circuit comprised of a capacitor and a resistor, is provided. To achieve the above object, when amplifying or attenuating input signal by a variable gain control circuit controlled by the gain control voltage, output signal of the variable gain amplifier circuit is rectified by a rectification circuit, the output signal of the rectification circuit is compared to an arbitrary set voltage by a voltage comparator. The up-count operation and the down-count operation of the up/down counter is controlled to changeover by the output signal of the voltage comparator, and a voltage corresponding to the count value of the up/down counter is output from the D/A conversion circuit. Thus, gain control voltage corresponding to the voltage output from the D/A conversion circuit is supplied to the variable gain amplifier circuit.
摘要翻译：提供了不需要由电容器和电阻器组成的任何信号积分电路的AGC电路。为了实现上述目的，当通过由增益控制电压控制的可变增益控制电路放大或衰减输入信号时，可变增益放大器电路的输出信号由整流电路整流，将整流电路的输出信号与通过电压比较器的任意设定电压。上升计数器的递增计数操作和递减计数操作被控制以通过电压比较器的输出信号切换，并且与D / D计数器的计数值对应的电压从D / A转换电路。因此，与D / A转换电路输出的电压相对应的增益控制电压被提供给可变增益放大器电路。

18. 发明申请

US20050031070A1 Radiographic apparatus and radiation detection signal processing method 失效
标题翻译：射线照相设备和放射线检测信号处理方法
公开(公告)号：US20050031070A1
公开(公告)日：2005-02-10
申请号：US10901212
申请日：2004-07-29
申请人： Shoichi Okamura , Keiichi Fujii , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
发明人： Shoichi Okamura , Keiichi Fujii , Susumu Adachi , Shinya Hirasawa , Toshinori Yoshimuta , Koichi Tanabe , Shigeya Asai , Akihiro Nishimura
IPC分类号： G01N23/04 , A61B6/00 , G01T1/00 , G01T1/17 , G01T1/24 , G21K5/02 , G21K1/12 , G01N23/00 , H05G1/60
CPC分类号： G01T1/171 , A61B6/4233 , A61B6/4441 , A61B6/583 , A61B6/587 , Y10S378/901
摘要： A radiographic apparatus removes lag-behind parts from radiation detection signals taken from an FPD as X rays are emitted from an X-ray tube, on an assumption that the lag-behind part included in each X-ray detection signal is due to an impulse response formed of a plurality of exponential functions with different attenuation time constants. When a single attenuation time constant and intensity are provisionally set, checking is made whether an attenuation to a noise level of X-ray detection signals occurs in an X-ray non-emission state following an X-ray emission state. When the set attenuation time constant and intensity are found appropriate (OK), the impulse response having the single exponential function is determined valid. Corrected radiation detection signals are obtained by removing the lag-behind parts using the impulse response determined.
摘要翻译：假设每个X射线检测信号中包含的滞后部分是由于脉冲而引起的，X射线从X射线管发射，从放射线检测信号中取出的放射线检测信号中的放射线照相设备响应由具有不同衰减时间常数的多个指数函数形成。当暂时设定单个衰减时间常数和强度时，检查在X射线发射状态之后的X射线非发射状态下是否产生对X射线检测信号的噪声水平的衰减。当确定设定的衰减时间常数和强度是合适的（OK）时，具有单指数函数的脉冲响应被确定为有效。使用确定的脉冲响应去除滞后部分来获得校正的放射线检测信号。

19. 发明申请

US20050017830A1 Enclosure and substrate structure for a tuner module 失效
标题翻译：调谐器模块的外壳和基板结构
公开(公告)号：US20050017830A1
公开(公告)日：2005-01-27
申请号：US10852590
申请日：2004-05-23
申请人： Kazunori Okui , Hiroshi Ogasawara , Takatsugu Kamata , Keiichi Fujii , Christopher Li
发明人： Kazunori Okui , Hiroshi Ogasawara , Takatsugu Kamata , Keiichi Fujii , Christopher Li
IPC分类号： H03J1/00 , H03J3/00 , H05K1/02
CPC分类号： H03J1/00 , H05K1/0218
摘要： A tuner module comprising a tuner and a tuner enclosure. The tuner includes a substrate containing filter coils and the tuner enclosure includes at least one partition plate placed between filter coils of the tuner to improve the isolation between the filter coils. The substrate may also contain plated through holes placed beneath a partition plate which further improves isolation between the filter coils. In some embodiments, the substrate is comprised of a coil layer having a planar coil, a shield layer, and a dielectric layer. The dielectric layer is placed between the coil and shield layers and provides a distance between the two layers to achieve a particular quality factor level of the planar coil. In some embodiments, the tuner enclosure further includes a shielding case that extends to the base of the substrate, is comprised of a metal material, and is mechanically connected with the substrate.
摘要翻译：一种调谐器模块，包括调谐器和调谐器外壳。调谐器包括含有滤波器线圈的基板，调谐器外壳包括放置在调谐器的滤波器线圈之间的至少一个分隔板，以改善滤波器线圈之间的隔离。衬底还可以包含设置在隔板下方的电镀通孔，这进一步改善了过滤器线圈之间的隔离。在一些实施例中，衬底由具有平面线圈，屏蔽层和电介质层的线圈层组成。电介质层被放置在线圈和屏蔽层之间，并且提供两层之间的距离以实现平面线圈的特定质量因子水平。在一些实施例中，调谐器外壳还包括延伸到基底的屏蔽壳体，由金属材料构成，并且与基底机械连接。

20. 发明申请

US20080218213A1 BIDIRECTIONAL LEVEL SHIFT CIRCUIT AND BIDIRECTIONAL BUS SYSTEM 失效
标题翻译：双向移位电路和双向总线系统
公开(公告)号：US20080218213A1
公开(公告)日：2008-09-11
申请号：US12042677
申请日：2008-03-05
申请人： Hitoshi Kobayashi , Keiichi Fujii
发明人： Hitoshi Kobayashi , Keiichi Fujii
IPC分类号： H03K19/0175
CPC分类号： H03K19/018521
摘要： A plurality of transistors are connected between an I2C bus operating at a first voltage level and an I2C bus operating at a second voltage level and a main control electrode of at least one transistor is connected to a first power supply terminal and a main control electrode of the other at least one transistor is connected to an intermediate level between the first voltage level and the second voltage level, whereby a withstand voltage required to a transistor of the bidirectional level shift circuit of the I2C bus can be lowered.
摘要翻译：多个晶体管连接在以第一电压电平工作的I + 2 C总线和以第二电压电平工作的I + 2 C总线和主控制电极至少一个晶体管连接到第一电源端子，并且另一个至少一个晶体管的主控制电极连接到第一电压电平和第二电压电平之间的中间电平，由此，晶体管所需的耐受电压可以降低I 2 C总线的双向电平移位电路。

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