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    • 31. 发明授权
    • High output resistance, wide swing charge pump
    • 高输出电阻,宽摆电荷泵
    • US07583116B2
    • 2009-09-01
    • US11833500
    • 2007-08-03
    • Stephen D. WyattTian Xia
    • Stephen D. WyattTian Xia
    • H03L7/06
    • H03L7/0896H02M3/07H03L7/18
    • Disclosed are current sink and source circuits, a charge pump that incorporates them, and a phase locked loop that incorporates the charge pump. The current sink and source circuits each have a current mirror that biases a transistor connected to an output node. These circuits each further have a two-stage feedback amplifier to sense the current mirror drain voltage and to control the transistor gate voltage in order to stabilize the current mirror drain voltage independent of output voltage at the output node. The amplifier also increases output resistance at the output node. This configuration allows for a wide operation voltage range and ensures good circuit performance under a very low power supply. A charge pump that incorporates these circuits generates highly matched charging and discharging currents. A PLL that incorporates this charge pump exhibits minimal bandwidth shifts and minimal locking speed and jitter performance degradation.
    • 公开了当前的电流源和源极电路,它们组合的电荷泵以及结合电荷泵的锁相环。 电流源和电源电路各自具有偏置连接到输出节点的晶体管的电流镜。 这些电路还具有两级反馈放大器以感测电流镜漏极电压并控制晶体管栅极电压,以便稳定电流镜漏极电压,而与输出节点处的输出电压无关。 放大器还增加输出节点的输出电阻。 该配置允许宽的工作电压范围,并在非常低的电源下确保良好的电路性能。 集成这些电路的电荷泵产生高度匹配的充电和放电电流。 集成该电荷泵的PLL具有最小的带宽偏移和最小的锁定速度和抖动性能下降。
    • 32. 发明申请
    • STRUCTURE FOR A HIGH OUTPUT RESISTANCE, WIDE SWING CHARGE PUMP
    • 高输出电阻结构,宽摆动充电泵
    • US20090033407A1
    • 2009-02-05
    • US11845249
    • 2007-08-27
    • Stephen D. WyattTian Xia
    • Stephen D. WyattTian Xia
    • G05F1/10
    • H03L7/0896H02M3/07H03L7/18
    • Disclosed are design structures for current sink and source circuits, a charge pump, and a phase locked loop. The current sink and source circuits each have a current mirror that biases a transistor connected to an output node. These circuits each further have a two-stage feedback amplifier to sense the current mirror drain voltage and to control the transistor gate voltage in order to stabilize the current mirror drain voltage independent of output voltage at the output node. The amplifier also increases output resistance at the output node. This configuration allows for a wide operation voltage range and ensures good circuit performance under a very low power supply. A charge pump that incorporates these circuits generates highly matched charging and discharging currents. A PLL that incorporates this charge pump exhibits minimal bandwidth shifts and minimal locking speed and jitter performance degradation.
    • 公开了电流吸收和电源电路,电荷泵和锁相环的设计结构。 电流源和电源电路各自具有偏置连接到输出节点的晶体管的电流镜。 这些电路还具有两级反馈放大器以感测电流镜漏极电压并控制晶体管栅极电压,以便稳定电流镜漏极电压,而与输出节点处的输出电压无关。 放大器还增加输出节点的输出电阻。 该配置允许宽的工作电压范围,并在非常低的电源下确保良好的电路性能。 集成这些电路的电荷泵产生高度匹配的充电和放电电流。 集成该电荷泵的PLL具有最小的带宽偏移和最小的锁定速度和抖动性能下降。
    • 35. 发明申请
    • ENCODED INFORMATION READING TERMINAL WITH MICRO-PROJECTOR
    • 编码信息读取终端与微型投影仪
    • US20150169925A1
    • 2015-06-18
    • US14408315
    • 2012-06-27
    • Chang ChenDayaker MupkalaTian Xia
    • Chang ChenDayaker MupkalaTian Xia
    • G06K7/10G06K7/00
    • G06K7/1465G02B26/108G02B27/021G06K7/0004G06K7/10732G06K7/10821G06K7/1443H04N9/3176
    • An encoded information reading (EIR) terminal can comprise a microprocessor, a memory, an EIR device including a two-dimensional imager, and a micro-projector including a light source and a light manipulation sub-system. The EIR device can be configured to output raw message data containing an encoded message and/or output a decoded message corresponding to an encoded message. The EIR terminal can be configured to acquire an image of a target object in a field of view (FOV) of the two-dimensional imager. The EIR terminal can be further configured, responsive to successfully locating decodable indicia within the image, to produce a decoded message by decoding the decodable indicia. The EIR terminal can be further configured, responsive to successfully decoding the decodable indicia, to generate a projectable image and to project the projectable image onto a surface of the target object using the micro-projector. The projectable image can include a text string comprising at least part of the decoded message and/or a text string derived from the decoded message. The EIR terminal can be further configured to compensate for terminal movements when projecting the projectable image.
    • 编码信息读取(EIR)终端可以包括微处理器,存储器,包括二维成像器的EIR设备和包括光源和光操纵子系统的微型投影仪。 EIR设备可以被配置为输出包含编码消息的原始消息数据和/或输出与编码消息相对应的解码消息。 EIR终端可以被配置为在二维成像器的视场(FOV)中获取目标对象的图像。 响应于成功定位图像内的可解码标记,可以进一步配置EIR终端,以通过对可解码标记进行解码来产生解码消息。 可以进一步配置EIR终端,以响应于可解码标记的成功解码,生成可投影图像,并使用微型投影仪将可投影图像投影到目标对象的表面上。 可投影图像可以包括文本串,其包括解码消息的至少一部分和/或从解码消息导出的文本串。 EIR终端还可以配置为在投影可投影图像时补偿终端移动。
    • 39. 发明授权
    • Methods for ameliorating pain and devices for delivering a medicament
    • 用于改善疼痛的方法和递送药物的装置
    • US08231588B2
    • 2012-07-31
    • US12414300
    • 2009-03-30
    • Tian Xia
    • Tian Xia
    • A61M31/00
    • A61M11/06A61M15/08A61M15/085A61M2202/0468A61M2202/048A61M2202/064A61M2209/06
    • A method for delivering medicament such as for ameliorating pain in a patient includes introducing an injector through a nasal passage of the patient into a region substantially medial and/or posterior and/or inferior to a sphenopalatine ganglion (SPG) of the patient; and delivering a medicament from the injector superiorly and/or laterally and/or anteriorly towards the SPG. A device for delivering a medicament to a patient in need thereof includes (a) an injector containing a first end configured to remain outside a nasal passage of the patient and a second end configured for entry into the nasal passage of the patient; and (b) an introducer configured for engagement with a nostril of the patient and containing a passageway configured for slidably receiving the injector. The injector is moveable between a storage position preceding the engagement and an engaging position pursuant to the engagement.
    • 用于递送药物的方法,例如用于改善患者的疼痛包括将注射器通过患者的鼻通道引入到患者的蝶腭神经节(SPG)的基本内侧和/或后部和/或不足的区域中; 以及从所述注射器向所述SPG递送和/或横向和/或向前投放药物。 一种用于将药物递送到有需要的患者的装置包括(a)注射器,其包含构造成保持在患者鼻通道外部的第一端和构造成进入患者鼻通道的第二端; 和(b)导引器,其构造成用于与患者的鼻孔接合并且包含经配置以可滑动地接收所述注射器的通道。 注射器可以在接合之前的存储位置和根据接合的接合位置之间移动。
    • 40. 发明授权
    • Method, equipment and system for resource acquisition
    • 资源获取方法,设备和系统
    • US08069224B2
    • 2011-11-29
    • US12094954
    • 2008-05-22
    • Tian Xia
    • Tian Xia
    • G06F15/16
    • G06F17/30876
    • A resource acquisition method uses a customer terminal to load a resource list defined in a uniform resource description file, where the resource list contains resource identifications and corresponding path information of the resources required by the customer terminal. The customer terminal obtains the path information of the required resource from the resource list according to the resource identification of the resource, and sends a request message to acquire the resource according to the path information. The customer terminal is thus able to accurately and rapidly obtain the required resources over a network, greatly improving the success rate and work efficiency of resource acquisition. This disclosure also discloses a network system for data communication and communication equipment that utilize the resource acquisition method.
    • 资源获取方法使用客户终端来加载在统一资源描述文件中定义的资源列表,其中资源列表包含客户终端所需资源的资源标识和对应的路径信息。 客户终端根据资源的资源标识从资源列表中获取所需资源的路径信息,并根据路径信息发送请求消息,获取资源。 因此,客户终端能够通过网络准确,快速地获得所需的资源,大大提高了资源获取的成功率和工作效率。 本公开还公开了一种利用资源获取方法的数据通信和通信设备的网络系统。