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    • 1. 发明授权
    • Security device
    • 安全设备
    • US08696032B2
    • 2014-04-15
    • US12308175
    • 2007-07-03
    • Robert Whiteman
    • Robert Whiteman
    • B42D15/00G02B5/18
    • B42D25/29
    • A security device comprises a substrate having a transparent region (1). At least one optical element (2, 3) is provided in part of the transparent region, the optical element causing an incident off-axis light beam transmitted through the optical element to be redirected away from a line parallel with the incident light beam whereby when the device is viewed in transmission directly against a backlight, the presence of the optical element cannot be discerned but when the device is moved relative to the backlight such that lines of sight from the viewer to the transparent region and from the transparent region to the backlight form an obtuse angle (α) at which redirected light is visible to the viewer, a contrast is viewed between the part of the transparent region including the optical element and another part of the transparent region. When the security device is viewed in reflection under diffuse lighting conditions either no contrast can be discerned between the two parts or a different contrast can be discerned between the two parts.
    • 安全装置包括具有透明区域(1)的基板。 至少一个光学元件(2,3)设置在透明区域的一部分中,使得透射通过光学元件的入射离轴光束的光学元件被重定向远离与入射光束平行的线,由此当 该设备在透射下直接靠背光来观察,不能辨别光学元件的存在,但是当该装置相对于背光源移动时,使得从观察者到透明区域以及从透明区域到背光的视线 形成钝角(α),在该角度处重定向的光对观察者可见,在包括光学元件的透明区域的一部分和透明区域的另一部分之间观察到对比度。 当在漫射照明条件下反射观看安全装置时,两部分之间不能辨别出对比度,或者可以在两部分之间辨别不同的对比度。
    • 2. 发明申请
    • SECURITY DEVICE AND METHOD
    • 安全装置和方法
    • US20100164219A1
    • 2010-07-01
    • US12451732
    • 2008-06-12
    • Adam JeacockRobert Whiteman
    • Adam JeacockRobert Whiteman
    • B42D15/00B44D5/00B05D5/06
    • B42D25/40B42D25/29B42D25/351B42D25/369B42D25/373B42D25/378B42D25/382B42D25/387B42D2033/04B42D2033/06B42D2035/24B42D2035/36G09C5/00H04L2209/56
    • A security device comprises a substrate having a viewing region. A first pattern of a first colour and a second pattern of a second colour are printed on one side of the viewing region. A third pattern of the first colour and a fourth pattern of the second colour are printed on the other side of the viewing region. The first and second patterns on the one side of the viewing region overlap the fourth and third patterns respectively on the other side of the viewing region whereby a) when each side of the viewing region is viewed in reflected light, the patterns on that side can be distinguished by at least their colours, and b) when the viewing region is viewed in transmitted light, from either side of the substrate, the viewing region is sufficiently transparent that subtractive colour mixing between the overlapped different colours results in a perceived single resultant colour being visible.
    • 安全装置包括具有观察区域的基板。 第一颜色的第一图案和第二颜色的第二图案被印刷在观看区域的一侧上。 第一颜色的第三图案和第二颜色的第四图案被印刷在观看区域的另一侧。 在观看区域的一侧上的第一和第二图案分别在观察区域的另一侧与第四和第三图案重叠,由此a)当在反射光中观看观看区域的每一侧时,该侧的图案可以 至少区分它们的颜色,以及b)当从透射光中观察观察区域时,从基板的任一侧看,观察区域是足够透明的,在重叠的不同颜色之间的减色混合导致感觉到的单一结果颜色 可见
    • 8. 发明申请
    • SYSTEMS AND METHODS FOR REDUCING SLUDGES PRODUCED BY WASTEWATER TREATMENT FACILITIES
    • 减少污水处理设备生产的污泥的系统和方法
    • US20110186510A1
    • 2011-08-04
    • US12696919
    • 2010-01-29
    • Robert Whiteman
    • Robert Whiteman
    • C02F3/12
    • C02F3/00
    • The invention relates to methods and systems of improving sludge removal and maintaining effluent quality. The methods include directing an incoming wastewater stream to a treatment facility, the steam having a flow of at least 20,000 gallons per day; the incoming wastewater stream having at least 50 mg/L solids and 100 mg/L BOD; removing solids and BOD from the incoming wastewater stream in the treatment facility to provide a final effluent stream; the final effluent stream having less than 10% of the solids of the wastewater stream and less than 10% of the BOD of the wastewater stream; the removal of solids and BOD yielding less than about 0.25 pounds of secondary sludge per pound of BOD removed.
    • 本发明涉及改善污泥去除和维持污水质量的方法和系统。 这些方法包括将进入的废水流引导到处理设施,蒸汽的流量至少为20,000加仑/天; 进入的废水流具有至少50mg / L固体和100mg / L BOD; 从处理设施中的进入废水流中除去固体和BOD以提供最终的流出物流; 最终流出物流具有少于废水流固体的10%和废水流的BOD的10%以下; 除去固体和BOD的去除量,每磅BOD产生少于约0.25磅的二级污泥。
    • 9. 发明申请
    • Security Device
    • 安全设备
    • US20090244519A1
    • 2009-10-01
    • US12308175
    • 2007-07-03
    • Robert Whiteman
    • Robert Whiteman
    • B42D15/10G02B5/18G02B5/32G06K9/74
    • B42D25/29
    • A security device comprises a substrate having a transparent region (1). At least one optical element (2, 3) is provided in part of the transparent region, the optical element causing an incident off-axis light beam transmitted through the optical element to be redirected away from a line parallel with the incident light beam whereby when the device is viewed in transmission directly against a backlight, the presence of the optical element cannot be discerned but when the device is moved relative to the backlight such that lines of sight from the viewer to the transparent region and from the transparent region to the backlight form an obtuse angle (α) at which redirected light is visible to the viewer, a contrast is viewed between the part of the transparent region including the optical element and another part of the transparent region. When the security device is viewed in reflection under diffuse lighting conditions either no contrast can be discerned between the two parts or a different contrast can be discerned between the two parts.
    • 安全装置包括具有透明区域(1)的基板。 至少一个光学元件(2,3)设置在透明区域的一部分中,使得透射通过光学元件的入射离轴光束的光学元件被重定向远离与入射光束平行的线,由此当 该设备在透射下直接靠背光来观察,不能辨别光学元件的存在,但是当该装置相对于背光源移动时,使得从观察者到透明区域以及从透明区域到背光的视线 形成钝角(alpha),在该角度处重定向的光对观察者可见,在包括光学元件的透明区域的一部分和透明区域的另一部分之间观察到对比度。 当在漫射照明条件下反射观看安全装置时,两部分之间不能辨别出对比度,或者可以在两部分之间辨别不同的对比度。