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    • 2. 发明授权
    • Distributing DBS content to multiple receivers over a single coaxial cable
    • 通过单个同轴电缆将DBS内容分发到多个接收器
    • US08209726B2
    • 2012-06-26
    • US12723167
    • 2010-03-12
    • Dinesh NadarajahAhmad C. Ansari
    • Dinesh NadarajahAhmad C. Ansari
    • H04N7/20
    • H04H20/63H04H20/76H04H40/90H04N7/106
    • A satellite transponder switch (STS) maintains a table that maps set-top boxes (STBs) to carrier frequencies. The STS receives a first request from a first STB for a first transponder band and a second request from a second STB for a second transponder band. The STS receives contact from the first STB on a control channel upon power-up of the first STB and in response to the contact from the first STB, assigns a first carrier frequency to the first STB. The STS frequency shifts the first transponder band to a first carrier frequency assigned to the first STB and the second transponder band to a second carrier frequency assigned to the second STB. The STS outputs a signal that comprises the frequency-shifted first and second transponder bands to the first STB and the second STB. The frequency-shifted first and second transponder bands are separated by a separation band. A first carrier frequency of the signal is unique to the first STB and a second carrier frequency of the signal is unique to the second STB.
    • 卫星转发器交换机(STS)维护一个将机顶盒(STB)映射到载波频率的表格。 STS从第一STB接收第一应答器频带的第一请求和来自第二STB的用于第二应答器频带的第二请求。 STS在第一STB上电时从控制信道上的第一STB接收联系,并且响应于来自第一STB的联系,向第一STB分配第一载波频率。 STS频率将第一应答器频带移动到分配给第一STB和第二应答器频带的第一载波频率到分配给第二STB的第二载波频率。 STS将包括频移的第一和第二应答器频带的信号输出到第一STB和第二STB。 频移的第一和第二应答器频带被分离频带分离。 信号的第一载波频率对于第一STB是唯一的,并且信号的第二载波频率对于第二STB是唯一的。
    • 3. 发明申请
    • Distributing DBS Content to Multiple Receivers Over a Single Coaxial Cable
    • 通过单个同轴电缆将DBS内容分发到多个接收器
    • US20100169938A1
    • 2010-07-01
    • US12723167
    • 2010-03-12
    • Dinesh NadarajahAhmad C. Ansari
    • Dinesh NadarajahAhmad C. Ansari
    • H04N7/20
    • H04H20/63H04H20/76H04H40/90H04N7/106
    • A satellite transponder switch (STS) maintains a table that maps set-top boxes (STBs) to carrier frequencies. The STS receives a first request from a first STB for a first transponder band and a second request from a second STB for a second transponder band. The STS receives contact from the first STB on a control channel upon power-up of the first STB and in response to the contact from the first STB, assigns a first carrier frequency to the first STB. The STS frequency shifts the first transponder band to a first carrier frequency assigned to the first STB and the second transponder band to a second carrier frequency assigned to the second STB. The STS outputs a signal that comprises the frequency-shifted first and second transponder bands to the first STB and the second STB. The frequency-shifted first and second transponder bands are separated by a separation band. A first carrier frequency of the signal is unique to the first STB and a second carrier frequency of the signal is unique to the second STB.
    • 卫星转发器交换机(STS)维护一个将机顶盒(STB)映射到载波频率的表格。 STS从第一STB接收第一应答器频带的第一请求和来自第二STB的用于第二应答器频带的第二请求。 STS在第一STB上电时从控制信道上的第一STB接收联系,并且响应于来自第一STB的联系,向第一STB分配第一载波频率。 STS频率将第一应答器频带移动到分配给第一STB和第二应答器频带的第一载波频率到分配给第二STB的第二载波频率。 STS将包括频移的第一和第二应答器频带的信号输出到第一STB和第二STB。 频移的第一和第二应答器频带被分离频带分离。 信号的第一载波频率对于第一STB是唯一的,并且信号的第二载波频率对于第二STB是唯一的。
    • 6. 发明授权
    • System and method for distributing DBS content to multiple receivers in the home over a single coax
    • 通过单个同轴电缆将DBS内容分发到家庭中的多个接收器的系统和方法
    • US07712120B2
    • 2010-05-04
    • US10899378
    • 2004-07-26
    • Dinesh NadarajahAhmad C. Ansari
    • Dinesh NadarajahAhmad C. Ansari
    • H04N7/20
    • H04H20/63H04H20/76H04H40/90H04N7/106
    • A satellite transponder switch (STS) maintains a table that maps set-top boxes (STBs) to carrier frequencies. The STS receives a first request from a first STB for a first transponder band and a second request from a second STB for a second transponder band. The STS accesses a first satellite feed and polarity based on the first request, and a second satellite feed and polarity based on the second request. The STS band-pass filters the first and second transponder bands from the first and second satellite feed and polarity, respectively. The STS frequency shifts the first transponder band to a first carrier frequency assigned to the first STB and the second transponder band to a second carrier frequency assigned to the second STB. The STS outputs a signal that comprises the frequency-shifted first and second transponder bands to the first STB and the second STB.
    • 卫星转发器交换机(STS)维护一个将机顶盒(STB)映射到载波频率的表格。 STS从第一STB接收第一应答器频带的第一请求和来自第二STB的用于第二应答器频带的第二请求。 STS基于第一请求访问第一卫星馈送和极性,并且基于第二请求访问第二卫星馈送和极性。 STS带通分别从第一和第二卫星馈送和极性滤波第一和第二应答器频带。 STS频率将第一应答器频带移动到分配给第一STB和第二应答器频带的第一载波频率到分配给第二STB的第二载波频率。 STS将包括频移的第一和第二应答器频带的信号输出到第一STB和第二STB。
    • 9. 发明授权
    • Digital image capturing system and method
    • 数字图像采集系统及方法
    • US08553113B2
    • 2013-10-08
    • US10644261
    • 2003-08-20
    • Ahmad C. AnsariDonald Kevin Reynolds, Jr.David Bruce Hartman
    • Ahmad C. AnsariDonald Kevin Reynolds, Jr.David Bruce Hartman
    • H04N5/247H04N5/225H04N7/18
    • H04N5/247H04N5/3415
    • A digital image capturing system and method are disclosed. A system incorporating teachings of the present disclosure may include a processing engine that performs digital image processing functions like noise reduction, gain control, white balance and others. In one embodiment, the image capturing system may have a first image sensor operable to capture a first view of a scene and a second image sensor operable to capture a second and different view of the scene. A selector may be employed to selectively route either the first view information or the second view information onto the processing engine. In preferred embodiments, the sensors may be CMOS sensors and, as such, relatively inexpensive. By allowing two inexpensive sensors to share image processing electronics, an image capturing system incorporating teachings of the present disclosure may be able to offer compelling functional characteristics at a reasonable price.
    • 公开了一种数字图像捕获系统和方法。 包括本公开的教导的系统可以包括执行诸如降噪,增益控制,白平衡等的数字图像处理功能的处理引擎。 在一个实施例中,图像捕获系统可以具有可操作以捕获场景的第一视图的第一图像传感器和可操作以捕获场景的第二和不同视图的第二图像传感器。 可以采用选择器来选择性地将第一视图信息或第二视图信息路由到处理引擎上。 在优选实施例中,传感器可以是CMOS传感器,因此相对便宜。 通过允许两个便宜的传感器来共享图像处理电子装置,包含本发明的教导的图像捕获系统可能能够以合理的价格提供令人信服的功能特征。