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公开(公告)号：US20110234909A1
公开(公告)日：2011-09-29
申请号：US13044725
申请日：2011-03-10
CPC分类号： H03M3/486 , H03M3/49 , H04B1/0021 , H04B1/06 , H04H40/00 , H04H40/27 , H04N5/52 , H04N7/102 , H04N21/42638 , H04N21/4382 , Y02D70/168 , Y02D70/40
摘要： According to one embodiment, a receiving device includes an amplifier for amplifying signals received from the outside, a decimation filter for decimating signals converted to digital signals, a channel selection filter for selecting a desired wave included in signals from the decimation filter, and a DAGC for amplifying the desired wave selected by the channel selection filter.
摘要翻译： 根据一个实施例，接收装置包括用于放大从外部接收的信号的放大器，用于抽取转换成数字信号的信号的抽取滤波器，用于选择包括在抽取滤波器的信号中的期望波的信道选择滤波器，以及DAGC 用于放大由频道选择滤波器选择的期望波。
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公开(公告)号：US09214824B2
公开(公告)日：2015-12-15
申请号：US13053406
申请日：2011-03-22
CPC分类号： H02J7/0052 , H02J2007/0059
摘要： A charging control apparatus controls charging of a battery connected to a battery terminal and supplies a voltage and a current necessary for a system circuit through an output terminal. The charging control apparatus has a switching control circuit that controls a DC-DC converter, the DC-DC converter performing DC-DC conversion with respect to an input voltage input through an input terminal and outputting an obtained output voltage to the output terminal. The charging control apparatus has an output voltage detection circuit that detects the output voltage. The charging control apparatus has a battery voltage detection circuit that detects a battery voltage of the battery terminal. The charging control apparatus has a first switch MOS transistor connected between the output terminal and the battery terminal. The charging control apparatus has a voltage control circuit that controls an operation of the first switch MOS transistor according to the battery voltage.
摘要翻译： 充电控制装置控制与电池端子连接的电池的充电，并通过输出端子提供系统电路所需的电压和电流。 充电控制装置具有控制DC-DC转换器的开关控制电路，该DC-DC转换器相对于通过输入端子输入的输入电压进行DC-DC转换，并将所获得的输出电压输出到输出端子。 充电控制装置具有检测输出电压的输出电压检测电路。 充电控制装置具有检测电池端子的电池电压的电池电压检测电路。 充电控制装置具有连接在输出端子和电池端子之间的第一开关MOS晶体管。 充电控制装置具有根据电池电压来控制第一开关MOS晶体管的动作的电压控制电路。
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3.发明授权Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant 失效时间常数自动调节电路，滤波电路系统及自动调整时间常数的方法公开(公告)号：US07865163B2
公开(公告)日：2011-01-04
申请号：US12407442
申请日：2009-03-19
申请人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
发明人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
IPC分类号： H04B1/10
CPC分类号： H03H11/1291
摘要： A time constant automatic adjusting circuit comprises: a filter circuit varying a phase of an clock signal to be input so as to output the clock signal; a phase comparison circuit comparing a phase of an output signal of the filter circuit with the phase of the clock signal, and outputting a predetermined voltage when the phase of the output signal and the phase of the clock signal are the same; at least three comparators comparing the output voltage with a plurality of different voltages; an up-down counter counting a number of output bits of either one of the at least three different voltages in accordance with an output result of the comparators; and a control circuit varying the time constant of the filter circuit in accordance with the number of output bits counted by the up-down counter.
摘要翻译： 时间常数自动调整电路包括：滤波器电路，改变输入时钟信号的相位以输出时钟信号; 相位比较电路，将滤波器电路的输出信号的相位与时钟信号的相位进行比较，并且当输出信号的相位和时钟信号的相位相同时输出预定电压; 至少三个比较器将输出电压与多个不同电压进行比较; 根据比较器的输出结果，计数至少三个不同电压中的任何一个的输出位的数量的递减计数器; 以及控制电路根据由升降计数器计数的输出位数来改变滤波电路的时间常数。
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公开(公告)号：US08022764B2
公开(公告)日：2011-09-20
申请号：US12715566
申请日：2010-03-02
申请人： Shigehito Saigusa
发明人： Shigehito Saigusa
IPC分类号： H03F3/45
CPC分类号： H03F3/45183 , H03F3/45197 , H03F3/45659 , H03F2203/45082 , H03F2203/45418 , H03F2203/45494 , H03F2203/45642 , H03F2203/45646 , H03F2203/45648 , H03F2203/45686 , H03F2203/45702
摘要： A differential amplifier unit and a feedback unit are provided. The differential amplifier unit includes first and second transistors and first to fourth loads. Each of the first and second transistors is provided with a current input end, a current output end connected to a lower potential power source and a control end. The first and second loads are cascade connected between a higher potential power source and the current input end of the first transistor. The third and fourth loads are cascade connected between the higher potential power source and the current input end of the second transistor. The feedback unit generates first and second feedback currents based on first and second output voltages. The feedback unit inputs the first and second feedback currents to a third node connecting the first and second loads and a fourth node connecting the third and fourth loads.
摘要翻译： 提供了差分放大器单元和反馈单元。 差分放大器单元包括第一和第二晶体管以及第一至第四负载。 第一和第二晶体管中的每个具有电流输入端，连接到较低电位电源的电流输出端和控制端。 第一和第二负载级联连接在较高电位的电源和第一晶体管的电流输入端之间。 第三和第四负载级联连接在高电位电源和第二晶体管的电流输入端之间。 反馈单元基于第一和第二输出电压产生第一和第二反馈电流。 反馈单元将第一和第二反馈电流输入到连接第一和第二负载的第三节点和连接第三和第四负载的第四节点。
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5.发明授权Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant 失效时间常数自动调节电路，滤波电路系统及自动调整时间常数的方法公开(公告)号：US07583948B2
公开(公告)日：2009-09-01
申请号：US11411939
申请日：2006-04-27
申请人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
发明人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
IPC分类号： H04B1/00
CPC分类号： H03H11/1291
摘要： A time constant automatic adjusting circuit comprises: a filter circuit varying a phase of an clock signal to be input so as to output the clock signal; a phase comparison circuit comparing a phase of an output signal of the filter circuit with the phase of the clock signal, and outputting a predetermined voltage when the phase of the output signal and the phase of the clock signal are the same; at least three comparators comparing the output voltage with a plurality of different voltages; an up-down counter counting a number of output bits of either one of the at least three different voltages in accordance with an output result of the comparators; and a control circuit varying the time constant of the filter circuit in accordance with the number of output bits counted by the up-down counter.
摘要翻译： 时间常数自动调整电路包括：滤波器电路，改变输入时钟信号的相位以输出时钟信号; 相位比较电路，将滤波器电路的输出信号的相位与时钟信号的相位进行比较，并且当输出信号的相位和时钟信号的相位相同时输出预定电压; 至少三个比较器将输出电压与多个不同电压进行比较; 根据比较器的输出结果，计数至少三个不同电压中的任何一个的输出位的数量的递减计数器; 以及控制电路根据由升降计数器计数的输出位数来改变滤波电路的时间常数。
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公开(公告)号：US20120133340A1
公开(公告)日：2012-05-31
申请号：US13053406
申请日：2011-03-22
IPC分类号： H02J7/00
CPC分类号： H02J7/0052 , H02J2007/0059
摘要： A charging control apparatus controls charging of a battery connected to a battery terminal and supplies a voltage and a current necessary for a system circuit through an output terminal. The charging control apparatus has a switching control circuit that controls a DC-DC converter, the DC-DC converter performing DC-DC conversion with respect to an input voltage input through an input terminal and outputting an obtained output voltage to the output terminal. The charging control apparatus has an output voltage detection circuit that detects the output voltage. The charging control apparatus has a battery voltage detection circuit that detects a battery voltage of the battery terminal. The charging control apparatus has a first switch MOS transistor connected between the output terminal and the battery terminal. The charging control apparatus has a voltage control circuit that controls an operation of the first switch MOS transistor according to the battery voltage.
摘要翻译： 充电控制装置控制与电池端子连接的电池的充电，并通过输出端子提供系统电路所需的电压和电流。 充电控制装置具有控制DC-DC转换器的开关控制电路，DC-DC转换器对通过输入端子输入的输入电压进行DC-DC转换，并将所获得的输出电压输出到输出端子。 充电控制装置具有检测输出电压的输出电压检测电路。 充电控制装置具有检测电池端子的电池电压的电池电压检测电路。 充电控制装置具有连接在输出端子和电池端子之间的第一开关MOS晶体管。 充电控制装置具有根据电池电压来控制第一开关MOS晶体管的操作的电压控制电路。
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公开(公告)号：US20100244961A1
公开(公告)日：2010-09-30
申请号：US12715566
申请日：2010-03-02
申请人： Shigehito Saigusa
发明人： Shigehito Saigusa
IPC分类号： H03F3/45
CPC分类号： H03F3/45183 , H03F3/45197 , H03F3/45659 , H03F2203/45082 , H03F2203/45418 , H03F2203/45494 , H03F2203/45642 , H03F2203/45646 , H03F2203/45648 , H03F2203/45686 , H03F2203/45702
摘要： A differential amplifier unit and a feedback unit are provided The differential amplifier unit includes first and second transistors and first to fourth loads. Each of the first and second transistors is provided with a current input end, a current output end connected to a lower potential power source and a control end. The first and second loads are cascade connected between a higher potential power source and the current input end of the first transistor. The third and fourth loads are cascade connected between the higher potential power source and the current input end of the second transistor. The feedback unit generates first and second feedback currents based on first and second output voltages The feedback unit inputs the first and second feedback currents to a third node connecting the first and second loads and a fourth node connecting the third and fourth loads.
摘要翻译： 提供了差分放大器单元和反馈单元。差分放大器单元包括第一和第二晶体管以及第一至第四负载。 第一和第二晶体管中的每个具有电流输入端，连接到较低电位电源的电流输出端和控制端。 第一和第二负载级联连接在较高电位的电源和第一晶体管的电流输入端之间。 第三和第四负载级联连接在高电位电源和第二晶体管的电流输入端之间。 反馈单元基于第一和第二输出电压产生第一和第二反馈电流。反馈单元将第一和第二反馈电流输入到连接第一和第二负载的第三节点和连接第三和第四负载的第四节点。
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公开(公告)号：US20060245132A1
公开(公告)日：2006-11-02
申请号：US11411939
申请日：2006-04-27
申请人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
发明人： Osamu Watanabe , Rui Ito , Shigehito Saigusa , Tetsuro Itakura
IPC分类号： H02H3/20
CPC分类号： H03H11/1291
摘要： A time constant automatic adjusting circuit comprises: a filter circuit varying a phase of an clock signal to be input so as to output the clock signal; a phase comparison circuit comparing a phase of an output signal of the filter circuit with the phase of the clock signal, and outputting a predetermined voltage when the phase of the output signal and the phase of the clock signal are the same; at least three comparators comparing the output voltage with a plurality of different voltages; an up-down counter counting a number of output bits of either one of the at least three different voltages in accordance with an output result of the comparators; and a control circuit varying the time constant of the filter circuit in accordance with the number of output bits counted by the up-down counter.
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