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    • 82. 发明申请
    • Delivering and Displaying Advertisement or Other Application Data to Display Systems
    • 向展示系统提供和显示广告或其他应用数据
    • US20080235749A1
    • 2008-09-25
    • US12052709
    • 2008-03-20
    • Amit JainYatin MundkurRoger A. Hajjar
    • Amit JainYatin MundkurRoger A. Hajjar
    • H04N7/173H04N5/445
    • H04N7/17318H04N21/25891H04N21/26241H04N21/2668H04N21/4331H04N21/4438H04N21/478H04N21/6131H04N21/6581H04N21/812
    • Display devices and systems including television sets, and systems, apparatus and methods for delivering information and providing services through display devices and systems. The display used in the described systems and methods is capable of receiving one or more TV programming channels and an independent designated application channel and having at least a first display window and a second display window separated from each other without spatial overlap on the screen. The information sent over the designated application channel to the display is displayed on the first display window while simultaneously displaying one of the TV programming channels on the second display window. A viewer control mechanism is provided in the display to allow the viewer to switch the information received from the designated application channel from the first display window to the second display window and switch back at the viewer's choice.
    • 显示装置和系统,包括电视机,以及用于通过显示装置和系统传送信息和提供服务的系统,装置和方法。 在所描述的系统和方法中使用的显示器能够接收一个或多个TV节目频道和独立指定的应用频道,并且至少具有彼此分离的第一显示窗口和第二显示窗口,而在屏幕上没有空间重叠。 通过指定的应用频道发送到显示器的信息被显示在第一显示窗口上,同时在第二显示窗口上显示一个电视节目频道。 在显示器中提供观看者控制机构,以允许观众将从指定的应用频道接收的信息从第一显示窗口切换到第二显示窗口,并且在观众选择时切换回。
    • 86. 发明授权
    • Direct read during mark formation for laser power correction
    • 在激光功率校正的标记形成期间直接读取
    • US5903537A
    • 1999-05-11
    • US834571
    • 1997-04-07
    • Edward C. GageClarke K. EastmanRoger A. HajjarSteven C. Dohmeier
    • Edward C. GageClarke K. EastmanRoger A. HajjarSteven C. Dohmeier
    • G11B7/0045G11B7/125G11B7/13G11B7/00
    • G11B7/126G11B7/0045G11B7/13
    • A recording apparatus and method are disclosed for forming marks on a recording medium. The recording apparatus includes an arrangement having an adjustable light source for producing a beam of light having first and second portions, with the second portion for recording marks on the medium, and an arrangement responsive to the first portion of the light beam and including a front facet detector positioned to receive the first portion of the light beam directly from the light source for producing a front facet signal. The recording apparatus also includes an arrangement for detecting light from the second portion of the light beam which is reflected from the medium and for producing a mark formation signal, and circuitry responsive to the front facet signal and the mark formation signal for producing a mark formation effectiveness signal. The recording apparatus further includes an arrangement for storing a mark formation effectiveness reference signal and circuitry responsive to the mark formation effectiveness signal and the mark formation effectiveness reference signal for adjusting the power of the light source during recording so that the amount of power is adjusted to maintain optimum mark quality.
    • 公开了用于在记录介质上形成标记的记录装置和方法。 记录装置包括具有可调节光源的装置,用于产生具有第一和第二部分的光束,第二部分用于在介质上记录标记,以及响应于光束的第一部分并且包括前部 定位成从光源直接接收光束的第一部分以产生前刻面信号。 记录装置还包括用于检测来自介质的反射的光束的第二部分的光并用于产生标记形成信号的装置,以及响应于前面信号和标记形成信号的电路,用于产生标记形成 有效信号。 记录装置还包括用于存储标记形成有效性参考信号和响应于标记形成有效性信号的电路和用于在记录期间调节光源的功率的标记形成有效性参考信号的装置,使得功率量被调整为 保持最佳标记质量。
    • 89. 发明授权
    • Dynamic tracking control in an optical recording system by sensing mark
formation
    • 通过感测标记形成在光学记录系统中的动态跟踪控制
    • US5646919A
    • 1997-07-08
    • US584933
    • 1996-01-16
    • Clarke K. EastmanRoger A. Hajjar
    • Clarke K. EastmanRoger A. Hajjar
    • G11B7/0045G11B7/09
    • G11B7/0904G11B7/0045
    • An apparatus and method for providing dynamic tracking error detection and control in an optical recording system in which an incident beam records data on a medium in the form of marks. A mark formation effectiveness (MFE) signal is generated by monitoring a reflected write signal and is indicative of a characteristic of the marks formed on the medium. A position signal is generated to provide an indication of cross-track movement of the incident beam relative to a tracking structure on the medium. The tracking structure may be a wobbled groove on an optical disk recording medium. Variations in the MFE and position signals are correlated to provide a dynamic tracking error signal (TES). The MFE and position signal variations may be correlated by, for example, multiplying the two signals together in a multiplier circuit, or using the position signal to control application of the MFE signal to particular inputs of a signal difference circuit. The dynamic TES may be utilized in a servo loop with or without a push-pull signal or other conventional tracking signal.
    • 一种用于在光学记录系统中提供动态跟踪误差检测和控制的装置和方法,其中入射光束以标记的形式将数据记录在介质上。 通过监视反射的写入信号来产生标记形成有效性(MFE)信号,并且指示在介质上形成的标记的特性。 生成位置信号以提供入射光束相对于介质上的跟踪结构的横向轨道移动的指示。 跟踪结构可以是光盘记录介质上的摆动凹槽。 MFE和位置信号的变化被相关以提供动态跟踪误差信号(TES)。 MFE和位置信号变化可以通过例如乘法电路将两个信号相乘在一起或使用位置信号来控制MFE信号对信号差分电路的特定输入的应用来相关。 动态TES可以用于具有或不具有推挽信号或其它常规跟踪信号的伺服环路。