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    • 11. 发明申请
    • Process for making an optical film
    • 制造光学膜的方法
    • US20070228586A1
    • 2007-10-04
    • US11394479
    • 2006-03-31
    • William MerrillAndrew OuderkirkMatthew JohnsonTimothy HebrinkMartin DenkerMark O'Neill
    • William MerrillAndrew OuderkirkMatthew JohnsonTimothy HebrinkMartin DenkerMark O'Neill
    • B29D11/00
    • G02B5/3008B29C55/023B29C55/146B29C55/165B29K2067/00B29K2995/0032G02B5/3083
    • Exemplary methods include includes providing a film comprising at least one polymeric material; widening the film under a first set of processing conditions in a first draw step along the crossweb direction such that in-plane birefringence, if any, created in the film is low; and drawing the film in a second draw step along a downweb direction under a second set of processing conditions, wherein the second set of processing conditions creates in-plane birefringence in at least one polymeric material. Exemplary roll of film includes an oriented optical film characterized by an effective orientation axis. The oriented optical film comprises only one birefringent polymeric material, at least one birefringent material and at least one isotropic material, or a first birefringent material and a second birefringent material, the birefringent materials characterized by effective orientation axes along the MD. The optical film has a width of greater than 0.3 m and a length a length greater than 10 m.
    • 示例性的方法包括提供包含至少一种聚合物材料的膜; 在沿着横向横向方向的第一拉伸步骤中的第一组处理条件下使膜变宽,使得在膜中产生的面内双折射(如果有的话)低; 以及在第二组处理条件下沿下游方向在第二牵引步骤中拉伸所述膜,其中所述第二组加工条件在至少一种聚合材料中产生平面内双折射。 示例性的薄膜包括以有效取向轴为特征的定向光学薄膜。 取向光学膜仅包含一种双折射聚合物材料,至少一种双折射材料和至少一种各向同性材料,或第一双折射材料和第二双折射材料,双折射材料的特征在于沿着MD的有效取向轴。 光学膜的宽度大于0.3μm,长度大于10μm。
    • 13. 发明申请
    • Uniaxially oriented articles having structured surface
    • 具有结构化表面的单轴取向制品
    • US20060141218A1
    • 2006-06-29
    • US11184024
    • 2004-12-23
    • Rolf BiernathOlester BensonAndrew OuderkirkWilliam MerrillDavid KowitzCatherine TarnowskiRobert Brott
    • Rolf BiernathOlester BensonAndrew OuderkirkWilliam MerrillDavid KowitzCatherine TarnowskiRobert Brott
    • B32B3/00
    • B29C55/04G02B5/1833G02B5/3083Y10T428/24479
    • Uniaxially Oriented Articles Having Structured Surface A process for uniaxially stretching films is having a structured surface comprising a geometric feature is described. The process provides a film in which the cross sectional shape of the feature after stretching is substantially identical to the cross sectional shape of the feature prior to stretching. Structured surface articles are also described. The articles have substantially the same uniaxial orientation throughout the film, including the geometric structure. Uniaxially oriented articles having structured surfaces are described. The articles have dimensional relationships as follows: the (a) ratio of the thickness of the body (Z′) to the height of the geometric feature (P′) is at least about 2; or (b) the ratio of body thickness to feature height (Z′:P′) is at least about 1 and the ratio of feature height to feature separation (P′:FS′) is at least about 1; or (c) the ratio of body thickness to feature height (Z′:P′) is at least about 1 and the ratio of feature base width to feature separation (BW′:FS′) is at least about 1; or (d) the ratio of body thickness to feature base width (Z′:BW′) is at least about 3; or (e) the ratio of body thickness to feature base width (Z′:BW′) is at least about 1 and the ratio of feature height to feature separation (P′:FS′) is at least about 1; or (f) the ratio of body thickness to feature base width (Z′:BW′) is at least about 1 and the ratio of feature base width to feature separation (BW′:FS′) is at least about 1; or (g) the ratio of feature base width to feature top width (BW′:TW′) is at least about 2 and the ratio of feature base width to feature separation (BW′:FS′) is at least about 1.
    • 具有结构化表面的单轴定向制品用于单轴拉伸膜的方法具有包括几何特征的结构化表面。 该方法提供了拉伸后的特征的横截面形状与拉伸前的特征的横截面形状基本相同的膜。 还描述了结构化表面制品。 制品在整个薄膜中具有基本相同的单轴取向,包括几何结构。 对具有结构化表面的单轴取向制品进行说明。 制品的尺寸关系如下:(a)身体(Z')的厚度与几何特征(P')的高度之比至少为2; 或(b)身体厚度与特征高度之比(Z':P')至少约为1,特征高度与特征分离比(P':FS')至少约为1; 或(c)身体厚度与特征高度之比(Z':P')至少约为1,特征基本宽度与特征分离(BW':FS')之比至少为1; 或(d)体厚与特征基准宽度(Z':BW')的比值至少为3; 或(e)身体厚度与特征基准宽度(Z':BW')的比值至少约为1,特征高度与特征分离比(P':FS')至少约为1; 或(f)身体厚度与特征基准宽度(Z':BW')的比值至少约为1,特征基础宽度与特征分离(BW':FS')之比至少为1; 或(g)特征基本宽度与特征顶部宽度(BW':TW')的比率至少约为2,并且特征基本宽度与特征分离(BW':FS')的比率至少为约1。
    • 16. 发明授权
    • Low-latency multi-hop ad hoc wireless network
    • 低延迟多跳自组织无线网络
    • US07161926B2
    • 2007-01-09
    • US10188514
    • 2002-07-03
    • Jeremy ElsonLewis D. GirodWilliam J. KaiserWilliam MerrillLars Fredric NewbergBrian SchifferKatayoun Sohrabi
    • Jeremy ElsonLewis D. GirodWilliam J. KaiserWilliam MerrillLars Fredric NewbergBrian SchifferKatayoun Sohrabi
    • H04Q7/24
    • H04W92/02G01D9/005G01S5/18H04B7/269H04L7/041H04L69/329H04W56/00H04W64/00H04W84/12H04W84/18H04W88/06
    • A multi-radio sensor node is provided that includes two or more communication devices. The communication devices include radio frequency (RF) devices like radios. Each communication device supports simultaneous communications among multi-radio sensor nodes of respective independent network clusters. A network structure is provided that includes two or more local network clusters. Each local network cluster includes numerous multi-radio sensor nodes. Each communication device of a multi-radio sensor node supports communication among the multi-radio sensor nodes of a different one of the local network clusters so that simultaneous communications are supported among the multi-radio sensor nodes of the local network clusters. The multi-radio sensor nodes of the local network clusters determine their locations relative to the other multi-radio sensor nodes of the independent network clusters with which they communicate. The location determination includes performing timing synchronization via synchronization signals communicated among the local network clusters, and acoustic signaling.
    • 提供了包括两个或更多个通信设备的多无线电传感器节点。 通信设备包括无线电射频(RF)设备。 每个通信设备支持各个独立网络集群的多无线电传感器节点之间的同时通信。 提供了包括两个或多个本地网络簇的网络结构。 每个本地网络集群包括许多多无线电传感器节点。 多无线电传感器节点的每个通信设备支持本地网络集群中不同一个的多无线电传感器节点之间的通信,从而在本地网络集群的多无线电传感器节点之间支持同时通信。 本地网络集群的多无线电传感器节点确定其相对于与它们通信的独立网络集群的其他多无线电传感器节点的位置。 位置确定包括通过本地网络群集之间传送的同步信号和声信号来执行定时同步。