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    • 13. 发明申请
    • Digital-to-analog converter having error correction
    • 具有误差校正的数模转换器
    • US20050083219A1
    • 2005-04-21
    • US10972947
    • 2004-10-25
    • Ola AnderssonJacob Wikner
    • Ola AnderssonJacob Wikner
    • H03M1/06H03M1/10H03M1/66H03M1/74
    • H03M1/1033H03M1/742
    • The values X(n) input to a current-steering digital-to-analog converter (49) are modified (41) before the actual conversion to compensate for conversion errors of the digital-to-analog converter. The input values are modified according to a model (43) of the digital-to-analog converter in which each output value of the digital-to-analog converter Y(n) is a sum of a desired value directly proportional to the respective input value and an error. The error is a product of the settled output value, i.e. the difference between the desired value and the previous output value Y(n−1) actually provided by the digital-to-analog converter, and a relative step error that is a function only of the respective input signal and is stored in a table. The relative step error can be a function also of the previous output signal and of the previous input signal. This model has a low complexity and is suitable for on-chip implementation.
    • 输入到电流转向数模转换器(49)的值X(n)在实际转换之前被修改(41),以补偿数模转换器的转换误差。 输入值根据数模转换器的型号(43)进行修改,其中数模转换器Y(n)的每个输出值是与各个输入成正比的期望值的和 值和错误。 该误差是稳定输出值的乘积,即期望值与由数模转换器实际提供的先前输出值Y(n-1)之间的差异以及仅作为功能的相对步进误差 并存储在表中。 相对步进误差也可以是先前输出信号和先前输入信号的函数。 该模型具有低复杂度,适用于片上实现。
    • 14. 发明授权
    • Current-steering D/A conversion with current source mismatch compensation
    • 电流导向D / A转换,电流源不匹配补偿
    • US06473015B2
    • 2002-10-29
    • US09796363
    • 2001-03-02
    • Ola Andersson
    • Ola Andersson
    • H03M100
    • H03M1/1057H03M1/745
    • The present invention refers to a method for using a current-steering N-bit D/A converter and to the D/A converter, said converter comprising N binary weighted current sources SIk, k=0, 1, . . . , N−1, connectable to a common output, each current source SIk comprising 2k unit current sources, SIunit, of equal strength connected in parallel, wherein digital input bits bi, i=0, 1, . . . , N−1, bN−1 being the most significant bit (MSB), determine which respective current source, SIk, k=0, 1, . . . , N−1, to be connected to the output. The invention features that, during D/A conversion, the current IN−1, from the largest current source SIN−1 is substituted for a current ĨN−1, where I ~ N - 1 = ( ∑ k = 0 N - 2 ⁢   ⁢ I k ) + I unit in which expression, Ik being the current from the current source SIk, Iunit being the current from an additional unit current source.
    • 本发明涉及一种使用电流导向N位D / A转换器和D / A转换器的方法,所述转换器包括N个二进制加权电流源S1k,k = 0,1。 。 。 ,N-1,可连接到公共输出,每个电流源SIk包括并联连接的相等强度的2k个单位电流源的SIunit,其中数字输入位bi,i = 0,1,...。 。 。 ,N-1,bN-1是最高有效位(MSB),确定哪个相应的电流源SIk,k = 0,1,...。 。 。 ,N-1,连接到输出。 本发明的特征在于,在D / A转换期间,来自最大电流源SIN-1的电流IN-1代替电流ĨN-1,其中哪个表达式Ik是来自电流源SIk的电流,I 电流来自额外的单位电流源。
    • 15. 发明授权
    • Resizing selection zones on a touch sensitive display responsive to likelihood of selection
    • 根据选择的可能性调整触摸敏感显示器上的选择区域大小
    • US09098189B2
    • 2015-08-04
    • US14238622
    • 2011-08-15
    • Ola AnderssonAndreas Ljunggren
    • Ola AnderssonAndreas Ljunggren
    • G06F3/041G06F3/0488G06F3/023
    • G06F3/04845G06F3/0237G06F3/041G06F3/04842G06F3/04847G06F3/0488G06F3/04886
    • An electronic device is disclosed for use with a touch-sensitive display. The electronic device includes a processor that displays indicia on the touch-sensitive display that can be touch selected by a user, and defines a size and location of a plurality of selection zones on the touch-sensitive display that are each associated with different ones of the indicia. The processor identifies a first one of the selection zones that has been selected by the user on the touch-sensitive display, and outputs a first one of the indicia that is associated with the first selection zone. The processor changes the size of a second one of the selection zones in response to it being associated with a second one of the indicia that is more likely to be selected next following selection of the first selection zone associated with the first indicia than at least another one of the selection zones. Related methods of operating an electronic device are disclosed.
    • 公开了一种与触敏显示器一起使用的电子设备。 该电子设备包括处理器,该处理器可以在可由用户选择的触敏显示器上显示标记,并且定义触敏显示器上的多个选择区域的大小和位置,每个区域与不同的选择区域相关联 标记。 处理器识别由用户在触摸敏感显示器上选择的选择区域中的第一个,并且输出与第一选择区域相关联的标记中的第一个。 所述处理器响应于所述选择区域中的第二选择区域的尺寸与第二个所述标记相关联,所述第二标记与在与所述第一标记相关联的所述第一选择区域的选择之后更可能被选择的第二标签相比于至少另一个 其中一个选区。 公开了操作电子设备的相关方法。
    • 16. 发明授权
    • Method and arrangement for sharing media content
    • 分享媒体内容的方法和安排
    • US09003472B2
    • 2015-04-07
    • US13391639
    • 2009-09-17
    • Ola Andersson
    • Ola Andersson
    • H04N7/16H04N7/18H04N7/173H04N21/2743H04N21/4788
    • H04N21/2743H04N21/4788
    • Method and arrangements for providing personal media content of a first user (A) to a device used by a second user (B). A personal TV channel is created (1:1) for the first user as a program with media content by an IPTV portal (100) in a device used by the first user. The created personal TV channel is published (1:2) and stored (1:3) at an IPTV server (104) serving the first and second users. Then, the personal TV channel is introduced (1:7) as an available channel in an electronic program guide (EPG) provided by the IPTV server to the device (104) of the second user. When the second user selects the personal TV channel from his/her electronic program guide, the program with media content is delivered (1:8) from the IPTV server to the second users device.
    • 将第一用户(A)的个人媒体内容提供给第二用户(B)使用的设备的方法和装置。 在由第一用户使用的设备中由IPTV门户(100)为第一用户创建个人电视频道(1:1)作为具有媒体内容的节目。 创建的个人电视频道在服务于第一和第二用户的IPTV服务器(104)上公布(1:2)并存储(1:3)。 然后,在由IPTV服务器提供的电子节目指南(EPG)中向第二用户的设备(104)引入个人电视频道(1:7)作为可用频道。 当第二用户从他/她的电子节目指南中选择个人电视频道时,将具有媒体内容的节目从(1:8)从IPTV服务器发送到第二用户设备。
    • 17. 发明申请
    • METHOD FOR ADAPTIVE STREAMING, LOCAL STORING AND POST-STORING QUALITY INCREASE OF A CONTENT FILE
    • 自适应流动方法,本地存储和后期存储质量增加内容文件
    • US20140304377A1
    • 2014-10-09
    • US14351954
    • 2011-10-17
    • Ola AnderssonJan Erik Lindquist
    • Ola AnderssonJan Erik Lindquist
    • H04L29/08
    • H04L67/06H04L65/1083H04L65/4084H04L65/604H04L65/608H04L65/80
    • A method includes monitoring a bandwidth currently available for streaming of a segment file pertaining to the selected content asset from a server to the client. A selected content asset is registered by receiving a user-originating request identifying the selected content asset. An adequate segment quality level to be requested is selected based on the currently available bandwidth. A segment to be requested is adaptively selected contingent upon the local availability or quality level of file segments. The segment is requested from the content providing server in the specified adaptively selected adequate segment quality level. The requested segment is received in a current segment quality level corresponding to the adaptively selected adequate quality level, stored locally associated with information regarding its quality level. Received file segments pertaining to the content file are rendered in a manner as specified by a received manifest file pertaining to the content file.
    • 一种方法包括:监视当前可用于从服务器向客户端流传输与所选择的内容资产有关的段文件的带宽。 通过接收标识所选择的内容资产的用户发起请求来注册所选内容资产。 基于当前可用的带宽来选择要请求的足够的段质量等级。 要请求的段根据文件段的本地可用性或质量级别自适应地选择。 以指定的自适应选择的足够的段质量级别从内容提供服务器请求该段。 以与自适应选择的足够质量水平相对应的当前分段质量水平接收所请求的分段,其被存储在本地与其关于其质量水平的信息相关联。 与内容文件相关的接收到的文件段以由接收到的与内容文件相关联的清单文件指定的方式呈现。
    • 18. 发明申请
    • RESIZING SELECTION ZONES ON A TOUCH SENSITIVE DISPLAY RESPONSIVE TO LIKELIHOOD OF SELECTION
    • 响应选择权的触摸敏感显示屏选择区域
    • US20140192004A1
    • 2014-07-10
    • US14238622
    • 2011-08-15
    • Ola AnderssonAndreas Ljunggren
    • Ola AnderssonAndreas Ljunggren
    • G06F3/0488G06F3/041
    • G06F3/04845G06F3/0237G06F3/041G06F3/04842G06F3/04847G06F3/0488G06F3/04886
    • An electronic device is disclosed for use with a touch-sensitive display. The electronic device includes a processor that displays indicia on the touch-sensitive display that can be touch selected by a user, and defines a size and location of a plurality of selection zones on the touch-sensitive display that are each associated with different ones of the indicia. The processor identifies a first one of the selection zones that has been selected by the user on the touch-sensitive display, and outputs a first one of the indicia that is associated with the first selection zone. The processor changes the size of a second one of the selection zones in response to it being associated with a second one of the indicia that is more likely to be selected next following selection of the first selection zone associated with the first indicia than at least another one of the selection zones. Related methods of operating an electronic device are disclosed.
    • 公开了一种与触敏显示器一起使用的电子设备。 该电子设备包括处理器,该处理器可以在可由用户选择的触敏显示器上显示标记,并且定义触敏显示器上的多个选择区域的大小和位置,每个区域与不同的选择区域相关联 标记。 处理器识别由用户在触摸敏感显示器上选择的选择区域中的第一个,并且输出与第一选择区域相关联的标记中的第一个。 所述处理器响应于所述选择区域中的第二选择区域的尺寸与第二个所述标记相关联,所述第二标记与在与所述第一标记相关联的所述第一选择区域的选择之后更可能被选择的第二标签相比于至少另一个 其中一个选区。 公开了操作电子设备的相关方法。
    • 19. 发明申请
    • Method and arrangement in an IPTV terminal
    • IPTV终端的方法和布置
    • US20110252431A1
    • 2011-10-13
    • US12878434
    • 2010-09-09
    • Ola AnderssonNiklas Fondberg
    • Ola AnderssonNiklas Fondberg
    • G06F9/46
    • G06F9/542G06F2209/543G06F2209/545
    • The present invention relates to a method and a web engine. According to a first aspect of the present invention a web engine configured for an ITF (IPTV Terminal Function) such as a STB (set-top-box) comprising an application framework associated with an API enabling display of applications is provided. The application framework comprises a memory for storing at least two applications, wherein the applications are arranged in a hierarchical tree structure in relation to each other. The application framework further comprises an application manager comprising a receiving unit for receiving the event, e.g. a key press, and a controller for controlling the dispatching. The controller may comprise an event wrapper for wrapping and unwrapping the event and a dispatcher for transferring the wrapped event down through the application tree. For each application node (also the root node) the application manager is configured to determine if an event should be processed by the current application.
    • 本发明涉及一种方法和web引擎。 根据本发明的第一方面,提供了一种配置用于诸如STB(机顶盒)的ITF(IPTV终端功能)的web引擎,其包括与启用应用的显示的API相关联的应用框架。 应用框架包括用于存储至少两个应用的存储器,其中应用以相对于彼此的分层树结构排列。 应用框架还包括应用管理器,其包括用于接收事件的接收单元,例如 按键和用于控制调度的控制器。 控制器可以包括用于包装和展开事件的事件包装器,以及用于将包装的事件向下传送通过应用程序树的调度器。 对于每个应用程序节点(也是根节点),应用程序管理器被配置为确定事件是否应由当前应用程序处理。