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    • 2. 发明授权
    • Capacitive coupling of a capacitive touchscreen to a printed circuit and controller
    • 电容式触摸屏与印刷电路和控制器的电容耦合
    • US08803839B2
    • 2014-08-12
    • US12916571
    • 2010-10-31
    • Michael John BrosnanRobert Ritter
    • Michael John BrosnanRobert Ritter
    • G06F3/045H05K13/00G06F3/044
    • G06F3/044Y10T29/49169
    • Disclosed herein are various embodiments of circuits and methods for capacitively coupling touchscreen electrode terminals to terminals of a flex circuit, printed circuit or printed circuit board, without physically attaching the touchscreen electrode terminals to the flex circuit, printed circuit or printed circuit board terminals by means of conventional electrical connection bonding materials or agents such as anisotropic conductive film or solder. The flex circuit, printed circuit or printed circuit board terminals are spaced apart from, or placed in physical contact with, corresponding ones of the touchscreen electrode terminals, but are not soldered or otherwise physically attached to the touchscreen electrode terminals by conventional electrical connection bonding materials or agents such as anisotropic conductive film or solder. The flex circuit, printed circuit or printed circuit board terminals are positioned with respect to the touchscreen electrode terminals such that the flex circuit, printed circuit or printed circuit board terminals are spaced part from, or in physical contact with, the touchscreen electrode terminals by gaps ranging between about 0.0 mm and about 1 mm. The gaps are sufficiently small to permit capacitive coupling of drive and sense signals provided by the touchscreen electrode terminals to the flex circuit, printed circuit or printed circuit board terminals.
    • 本文公开了用于将触摸屏电极端子电容耦合到柔性电路,印刷电路板或印刷电路板的端子的电路和方法的各种实施例,而无需通过装置将触摸屏电极端子物理地附接到柔性电路,印刷电路板或印刷电路板端子 常规的电连接接合材料或诸如各向异性导电膜或焊料的试剂。 柔性电路,印刷电路板或印刷电路板端子与相应的触摸屏电极端子隔开或放置在物理接触处,但是不通过常规的电连接接合材料焊接或以其他方式物理地附接到触摸屏电极端子 或诸如各向异性导电膜或焊料的试剂。 柔性电路,印刷电路板或印刷电路板端子相对于触摸屏电极端子定位,使得柔性电路,印刷电路板或印刷电路板端子与触摸屏电极端子间隔开或物理接触,由间隙 范围在约0.0mm至约1mm之间。 间隙足够小以允许由触摸屏电极端子提供的驱动和感测信号到柔性电路,印刷电路板或印刷电路板端子的电容耦合。
    • 3. 发明授权
    • Open loop laser power control for optical navigation devices and optical systems
    • 光导航设备和光学系统的开环激光功率控制
    • US07473880B2
    • 2009-01-06
    • US11679765
    • 2007-02-27
    • Michael John Brosnan
    • Michael John Brosnan
    • G09G5/08H01S3/10H01S3/00
    • H01S5/042H01S5/0427
    • A current output of a drive signal, modulated between two current settings, is applied to a laser diode, e.g. VCSEL. The settings are selected such that laser diode's power output meets the average power and peak power limits of the eye safety standards. The drive signal having a duty cycle toggling between the two settings. The duty cycle is selected such that the average and peak power limits are met for the given upper current setting. The drive circuit may include an analog modulator or digital analog converter (DAC) for maintaining the lower and upper current settings. When the drive circuit is implemented as an integrated circuit, the DAC may be incorporated into the IC. The sensitivity of the DAC is selected to maintain the desired lower and upper current settings.
    • 在两个电流设置之间调制的驱动信号的电流输出被施加到激光二极管,例如, VCSEL。 选择这些设置使得激光二极管的功率输出满足眼睛安全标准的平均功率和峰值功率限制。 驱动信号具有在两个设置之间切换的占空比。 选择占空比使得给定的上限电流设置满足平均和峰值功率限制。 驱动电路可以包括用于维持较低和较高电流设置的模拟调制器或数字模拟转换器(DAC)。 当驱动电路实现为集成电路时,DAC可以并入IC中。 选择DAC的灵敏度以保持所需的较低和较高电流设置。
    • 4. 发明申请
    • OPTICAL NAVIGATION DEVICE WITH ILLUMINATION OPTICS HAVING AN IMAGE OUTSIDE A DETECTOR FIELD OF VIEW
    • 具有在检测器外部的图像的具有照明光学的光学导航装置视场
    • US20110108713A1
    • 2011-05-12
    • US12614305
    • 2009-11-06
    • Omid MomtahanMichael John Brosnan
    • Omid MomtahanMichael John Brosnan
    • G02B27/00
    • G02B27/0018G06F3/0317
    • An optical navigation device includes an image sensor, a light source, and illumination optics. The image sensor generates images of a tracking surface. The image sensor has a field of view via imaging optics interposed between the image sensor and the tracking surface. The light source generates light to illuminate a portion of the tracking surface. The illumination optics are interposed between the light source and the tracking surface to direct the light from the light source toward the tracking surface. The illumination optics include an output surface with a primary region illuminated above a threshold intensity. The illumination optics are located relative to the tracking surface so that an image of the output surface excludes the primary region from the field of view of the image sensor.
    • 光学导航装置包括图像传感器,光源和照明光学器件。 图像传感器生成跟踪表面的图像。 图像传感器通过插入在图像传感器和跟踪表面之间的成像光学元件具有视场。 光源产生光以照射跟踪表面的一部分。 照明光学器件插入在光源和跟踪表面之间,以将来自光源的光引向跟踪表面。 照明光学器件包括具有高于阈值强度的初级区域的输出表面。 照明光学器件相对于跟踪表面定位,使得输出表面的图像不包括来自图像传感器的视场的主要区域。
    • 5. 发明申请
    • NAVIGATION ASSISTED MOSAIC PHOTOGRAPHY
    • 导航辅助的MOSAIC摄影
    • US20090059018A1
    • 2009-03-05
    • US11850135
    • 2007-09-05
    • Michael John Brosnan
    • Michael John Brosnan
    • H04N5/225
    • G06T3/4038H04N5/23238
    • An imaging apparatus for producing a mosaic image of a scene, including: an imager operable to capture a plurality of images of the scene; a motion sensor coupled to the imager; a transformation processor electrically coupled to the imager and the motion sensor and a mosaic processor electrically coupled to the transformation processor. The motion sensor is adapted to determine a pitch parameter and a yaw parameter of the imager associated with each captured image of the scene. The transformation processor is adapted to transform each captured image into a mosaic coordinate system using the associated pitch parameter and yaw parameter of the imager. The mosaic processor is adapted to produce a mosaic image of the scene from the transformed images.
    • 一种用于产生场景的马赛克图像的成像装置,包括:可操作以捕获所述场景的多个图像的成像器; 耦合到成像器的运动传感器; 电耦合到成像器和运动传感器的转换处理器和电耦合到转换处理器的马赛克处理器。 运动传感器适于确定与场景的每个拍摄图像相关联的成像器的俯仰参数和偏航参数。 转换处理器适于使用相关联的俯仰参数和成像器的偏航参数将每个拍摄图像变换成马赛克坐标系。 马赛克处理器适于从变换的图像产生场景的马赛克图像。
    • 7. 发明授权
    • Open loop laser power control for optical navigation devices and optical systems
    • 光导航设备和光学系统的开环激光功率控制
    • US07209502B2
    • 2007-04-24
    • US10778869
    • 2004-02-12
    • Michael John Brosnan
    • Michael John Brosnan
    • G09G5/08H01S3/10H01S3/00
    • H01S5/042H01S5/0427
    • A current output of a drive signal, modulated between two current settings, is applied to a laser diode, e.g. VCSEL. The settings are selected such that laser diode's power output meets the average power and peak power limits of the eye safety standards. The drive signal having a duty cycle toggling between the two settings. The duty cycle is selected such that the average and peak power limits are met for the given upper current setting. The drive circuit may include an analog modulator or digital analog converter (DAC) for maintaining the lower and upper current settings. When the drive circuit is implemented as an integrated circuit, the DAC may be incorporated into the IC. The sensitivity of the DAC is selected to maintain the desired lower and upper current settings.
    • 在两个电流设置之间调制的驱动信号的电流输出被施加到激光二极管,例如, VCSEL。 选择这些设置使得激光二极管的功率输出满足眼睛安全标准的平均功率和峰值功率限制。 驱动信号具有在两个设置之间切换的占空比。 选择占空比使得给定的上限电流设置满足平均和峰值功率限制。 驱动电路可以包括用于维持较低和较高电流设置的模拟调制器或数字模拟转换器(DAC)。 当驱动电路实现为集成电路时,DAC可以并入IC中。 选择DAC的灵敏度以保持所需的较低和较高电流设置。
    • 8. 发明授权
    • On-chip power-down generation for LDO-based mutual capacitance touchscreen controllers
    • 基于LDO的互电容触摸屏控制器的片内掉电产生
    • US08723855B2
    • 2014-05-13
    • US13306954
    • 2011-11-29
    • Abhay Kumar RaiMichael John Brosnan
    • Abhay Kumar RaiMichael John Brosnan
    • G06F3/044
    • G06F3/044G06F1/3262G06F3/0416
    • Various embodiments of methods and devices are provided for a mutual capacitance touchscreen controller comprising a first on-chip low drop out regulator (LDO) configured to receive and regulate as a first input thereto an input supply voltage (VSUPPLY), and to provide as an output therefrom a first regulated output voltage (VDDA). A first comparator in the controller is configured to receive as first and second inputs thereto VSUPPLY and VDDA and to provide as an output therefrom a signal EN, EN being provided to the first LDO as a second input thereto. The first LDO is configured to operate in a first off mode and is turned off by signal EN when the difference between VSUPPLY and VDDA is less than a predetermined threshold.
    • 提供了用于互电容触摸屏控制器的各种实施例的方法和装置,其包括被配置为接收和调节作为其输入电源电压(VSUPPLY)的第一输入的第一片上低压降稳压器(LDO)),并且提供为 从其输出第一调节输出电压(VDDA)。 控制器中的第一比较器被配置为接收作为其VSUPPLY和VDDA的第一和第二输入,并且作为其输出提供作为其作为第二输入的第一LDO提供的信号EN,EN。 第一LDO被配置为在第一关闭模式下操作,并且当VSUPPLY和VDDA之间的差小于预定阈值时,该信号由信号EN截止。
    • 9. 发明授权
    • Large depth of field navigation input devices and methods
    • 大型景深导航输入设备和方法
    • US08416191B2
    • 2013-04-09
    • US12570915
    • 2009-09-30
    • Jung GaoOmid MomtahanMichael John Brosnan
    • Jung GaoOmid MomtahanMichael John Brosnan
    • G06F3/033
    • G06F3/04883G06F3/0317G06F3/03545G06K9/222
    • Disclosed are various embodiments of a navigation input device, and methods, systems and components corresponding thereto. According to some embodiments, the navigation input device has a large depth of field associated therewith and employs time- and/or frequency-domain processing algorithms and techniques. The device is capable of providing accurate and reliable information regarding the (X,Y) position of the device on a navigation surface as it is moved laterally thereatop and thereacross, notwithstanding changes in a vertical position of the device that occur during navigation and that do not exceed the depth of field of an imaging lens incorporated therein. According to one embodiment, the navigation input device is a writing instrument that does not require the use of an underlying touch screen, touch pad or active backplane to accurately and reliably record successive (X,Y) positions of the writing device as it is moved across and atop an underlying writing medium.
    • 公开了导航输入设备的各种实施例以及与之对应的方法,系统和组件。 根据一些实施例,导航输入设备具有与之相关联的大景深,并采用时域和/或频域处理算法和技术。 该设备能够提供关于导航表面上的设备的(X,Y)位置的精确和可靠的信息,因为它横向移动和横向移动,尽管在导航期间发生的设备的垂直位置的变化 不超过并入其中的成像透镜的景深。 根据一个实施例,导航输入装置是一种书写工具,其不需要使用底层触摸屏,触摸板或有源背板,以准确和可靠地记录写入装置移动时的连续(X,Y)位置 跨越和顶层的书写媒介。
    • 10. 发明申请
    • Capacitive Coupling of a Capacitive Touchscreen to a Printed Circuit and Controller
    • 电容触摸屏电容耦合到印刷电路和控制器
    • US20120105356A1
    • 2012-05-03
    • US12916571
    • 2010-10-31
    • Michael John BrosnanRobert Ritter
    • Michael John BrosnanRobert Ritter
    • G06F3/045H05K13/00
    • G06F3/044Y10T29/49169
    • Disclosed herein are various embodiments of circuits and methods for capacitively coupling touchscreen electrode terminals to terminals of a flex circuit, printed circuit or printed circuit board, without physically attaching the touchscreen electrode terminals to the flex circuit, printed circuit or printed circuit board terminals by means of conventional electrical connection bonding materials or agents such as anisotropic conductive film or solder. The flex circuit, printed circuit or printed circuit board terminals are spaced apart from, or placed in physical contact with, corresponding ones of the touchscreen electrode terminals, but are not soldered or otherwise physically attached to the touchscreen electrode terminals by conventional electrical connection bonding materials or agents such as anisotropic conductive film or solder. The flex circuit, printed circuit or printed circuit board terminals are positioned with respect to the touchscreen electrode terminals such that the flex circuit, printed circuit or printed circuit board terminals are spaced part from, or in physical contact with, the touchscreen electrode terminals by gaps ranging between about 0.0 mm and about 1 mm. The gaps are sufficiently small to permit capacitive coupling of drive and sense signals provided by the touchscreen electrode terminals to the flex circuit, printed circuit or printed circuit board terminals.
    • 本文公开了用于将触摸屏电极端子电容耦合到柔性电路,印刷电路板或印刷电路板的端子的电路和方法的各种实施例,而无需通过装置将触摸屏电极端子物理地附接到柔性电路,印刷电路板或印刷电路板端子 常规的电连接接合材料或诸如各向异性导电膜或焊料的试剂。 柔性电路,印刷电路板或印刷电路板端子与相应的触摸屏电极端子隔开或放置在物理接触处,但是不通过常规电连接接合材料焊接或以其他方式物理地附接到触摸屏电极端子 或诸如各向异性导电膜或焊料的试剂。 柔性电路,印刷电路板或印刷电路板端子相对于触摸屏电极端子定位,使得柔性电路,印刷电路板或印刷电路板端子与触摸屏电极端子间隔开或物理接触,由间隙 范围在约0.0mm至约1mm之间。 间隙足够小以允许由触摸屏电极端子提供的驱动和感测信号到柔性电路,印刷电路板或印刷电路板端子的电容耦合。