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    • 1. 发明授权
    • Method and apparatus for an optical filter
    • 光滤波器的方法和装置
    • US06694066B2
    • 2004-02-17
    • US09879026
    • 2001-06-11
    • Ping XieSimon Yuanxinag WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • Ping XieSimon Yuanxinag WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • G02B600
    • G02B6/29302G02B6/12007G02B6/2861G02B6/2935G02B6/29398G02B2006/12109G02B2006/12116G02B2006/12164
    • The present invention provides optical filters that can be used in a range of telecommunications applications including optical multiplexers/demultiplexers, optical routers, and optical gain scalers. The optical filter is modular, using two or more couplers with a pair of delay paths between each pair of couplers in a sequence to generate a range of optical filter functions. The desired filter profile/function is obtained by proper selection of the coupling ratio for each coupler and by the length of each pair of delay paths. The couplers may be implemented as polarization or intensity beam splitters positioned along the optical path. Each coupler couples in controllable amounts, one or two inputs with the corresponding pair of delay paths. Where a coupler is implemented as a polarization beam splitter, the coupling is accomplished by input to the coupler of polarized light and by the subsequent separation of orthogonal “P” and “S” components of that light onto corresponding ones of the pair of delay paths. Where coupling is implemented with an intensity beam splitter, the coupling is accomplished by input of light with the percentage of reflection and transmission of the light determining the coupling ratio or percentage of the light input onto corresponding ones of the pair of delay paths. The pair of delay paths includes in an embodiment of the invention, passive thermal stabilization. The passive thermal stabilization of the filter(s) is accomplished by a plurality of optical elements positioned in and defining the optical path length of each member of the pair of paths. These optical elements are designed so that the optical path length difference between the pair of delay paths remains substantially invariant across a range of temperatures.
    • 本发明提供可用于包括光复用器/解复用器,光路由器和光增益定标器在内的电信应用范围内的滤光器。 光学滤波器是模块化的,使用两个或更多个耦合器,其在每对耦合器之间具有一对延迟路径,以产生一系列滤光器功能。 期望的滤波器轮廓/功能通过适当地选择每个耦合器的耦合比和每对延迟路径的长度来获得。 耦合器可以被实现为沿光路定位的偏振或强度分束器。 每个耦合器以可控量耦合,一个或两个输入与相应的延迟路径对耦合。 在耦合器被实现为偏振分束器的情况下,耦合通过输入到偏振光耦合器并且随后将该光的正交“P”和“S”分量分离到该对延迟路径中的对应的一对延迟路径 。 在用强度分束器实现耦合的情况下,通过输入具有光的反射和透射百分比的光来实现耦合,确定光输入到一对延迟路径中的相应延迟路径的耦合比或百分比。 一对延迟路径包括在本发明的一个实施例中,被动热稳定。 过滤器的被动热稳定化由位于并限定了该对路径中的每个构件的光路长度的多个光学元件来实现。 这些光学元件被设计成使得一对延迟路径之间的光程长度差在整个温度范围内基本上保持不变。
    • 2. 发明授权
    • Optical filter for wavelength division multipled optical signals
    • 用于波分复用光信号的滤光器
    • US06836581B1
    • 2004-12-28
    • US10659987
    • 2003-09-11
    • Ping XieSimon Yuanxiang WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • Ping XieSimon Yuanxiang WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • G02B627
    • G02B6/272G02B6/12007G02B6/2773G02B6/2861G02B6/29302G02B6/2935G02B6/29355G02B6/29386G02B6/29394G02B2006/12109G02B2006/12116G02B2006/12164
    • An optical device that can be used in a range of telecommunications applications including optical multiplexers/demultiplexers and optical routers. The optical device splits and combines optical signals of frequency division multiplexed optical communication channels that are evenly spaced apart in frequency from one another. The optical device includes a first filter and a second filter. The first filter splits and combines odd and even channels depending on the propagation direction of the optical signal. The first filter exhibits complementary phase retardations corresponding with odd integer multiples of half a wavelength for each center wavelength associated with a selected one of the odd and even set of channels and with integer multiples of a full wavelength of each center wavelength associated with a remaining one of the odd set and the even set. The second filter couples with the first filter to filter the odd and even sets of channels with phase retardations complementary to those experienced by the odd and even set of channels in the first filter. This complementary filtration has the effect of reducing dispersion in the device.
    • 可用于包括光复用器/解复用器和光路由器在内的一系列电信应用中的光学装置。 光学装置分离和组合频率彼此均匀间隔的频分复用光通信信道的光信号。 光学装置包括第一滤光器和第二滤光器。 第一滤波器根据光信号的传播方向分离并组合奇数和偶数信道。 第一滤波器具有对应于与奇数和偶数组信道中选定的一个相关联的每个中心波长的对应于半波长的奇整数倍的互补相位延迟,并且与剩余的一个相关联的每个中心波长的整个波长的整数倍 的奇数集和偶数集。 第二滤波器与第一滤波器耦合以对具有与第一滤波器中的奇数和偶数个通道组经历的相位延迟互补的奇数和偶数组信道进行滤波。 这种补充过滤具有减少装置中的分散的作用。
    • 4. 发明授权
    • Method and apparatus for an optical filter
    • 光滤波器的方法和装置
    • US06684002B2
    • 2004-01-27
    • US09944037
    • 2001-08-31
    • Ping XieSimon Yuanxiang WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • Ping XieSimon Yuanxiang WuYalan MaoWei WangR. Brad BettmanNadim Maluf
    • G02B627
    • G02B6/272G02B6/12007G02B6/2773G02B6/2861G02B6/29302G02B6/2935G02B6/29355G02B6/29386G02B6/29394G02B2006/12109G02B2006/12116G02B2006/12164
    • An optical device that can be used in a range of telecommunications applications including optical multiplexers/demultiplexers and optical routers. The optical device splits and combines optical signals of frequency division multiplexed optical communication channels which are evenly spaced apart in frequency from one another. The optical device includes a first filter and a second filter. The first filter splits and combines odd and even channels depending on the propagation direction of the optical signal. The first filter exhibits complementary phase retardations corresponding with odd integer multiples of half a wavelength for each center wavelength associated with a selected one of the odd and even set of channels and with integer multiples of a full wavelength for each center wavelength associated with a remaining one of the odd set and the even set. The second filter couples with the first filter to filter the odd and even sets of channels with phase retardations complementary to those experienced by the odd and even set of channels in the first filter. This complementary filtration has the effect of reducing dispersion in the device.
    • 可用于包括光复用器/解复用器和光路由器在内的一系列电信应用中的光学装置。 光学装置分离并组合频率彼此均匀间隔开的频分复用光通信信道的光信号。 光学装置包括第一滤光器和第二滤光器。 第一滤波器根据光信号的传播方向分离并组合奇数和偶数信道。 第一滤波器表现出互补相位延迟,其对应于与奇数和偶数通道组中选定的一个相关联的每个中心波长的半波长的奇整数倍,并且对于与剩余的一个相关联的每个中心波长的整个倍数 的奇数集和偶数集。 第二滤波器与第一滤波器耦合以对具有与第一滤波器中的奇数和偶数个通道组经历的相位延迟互补的奇数和偶数组信道进行滤波。 这种补充过滤具有减少装置中的分散的作用。
    • 5. 发明授权
    • Method and circuitry to recover energy from discharge signals of a charging operation of a battery/cell
    • 从电池/电池的充电操作的放电信号中回收能量的方法和电路
    • US08901886B2
    • 2014-12-02
    • US13171612
    • 2011-06-29
    • Fred BerkowitzNadim MalufDania Ghantous
    • Fred BerkowitzNadim MalufDania Ghantous
    • H02J7/00
    • H02J7/0042H02J7/0052H02J7/0073H02J7/0093
    • The present inventions, in certain aspects, are directed to techniques and/or circuitry to charge a battery the method comprises (i) charging the battery via a charging sequence, wherein charging the battery includes: (a) applying a plurality of charge signals, and (b) applying one or more discharge signals wherein, in response thereto, the battery outputs electrical energy. In certain embodiments, the electrical energy output by the battery in response to the discharge signals is stored (for example, in a capacitor and/or second battery). The present inventions are also directed to, among other things, an apparatus to charge a battery comprising charging circuitry including: (i) a current source to generate a plurality of charge signals, and (ii) a current sink to generate one or more discharge signals, wherein, in response thereto, the battery outputs electrical energy. The apparatus may also include control circuitry, a storage device (for example, in a capacitor and/or second battery), to store the energy output by the battery in response to the one or more discharge signals, and/or an ambient environmental device to adjust the ambient environment or conditions of the battery using the energy output by the battery in response to the one or more discharge signals.
    • 本发明在某些方面涉及对电池充电的技术和/或电路,该方法包括(i)经由充电顺序对电池充电,其中对电池充电包括:(a)施加多个充电信号, 和(b)施加一个或多个放电信号,其中响应于此,电池输出电能。 在某些实施例中,电池响应于放电信号输出的电能被存储(例如,在电容器和/或第二电池中)。 本发明还涉及一种用于为包括充电电路的电池充电的装置,包括:(i)产生多个充电信号的电流源,以及(ii)电流吸收器以产生一个或多个放电 信号,其中响应于此,电池输出电能。 该装置还可以包括控制电路,存储装置(例如,在电容器和/或第二电池中),以响应于一个或多个放电信号来存储由电池输出的能量和/或环境环境装置 使用电池响应于一个或多个放电信号输出的能量来调节电池的周围环境或条件。
    • 8. 发明授权
    • Method and circuitry to adaptively charge a battery/cell
    • 为电池/电池自适应充电的方法和电路
    • US08638070B2
    • 2014-01-28
    • US13111902
    • 2011-05-19
    • Nadim MalufDania GhantousFred Berkowitz
    • Nadim MalufDania GhantousFred Berkowitz
    • H01M10/44H01M10/46
    • H02J7/007G01R31/36H02J7/0052H02J7/0086Y02T10/7011
    • The present inventions, in one aspect, are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a change in terminal voltage of the battery/cell. In another aspect, the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a partial relaxation time of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of an overpotential or full relaxation time of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of health of the battery/cell.
    • 在一个方面,本发明涉及使用代表电池/电池的端子电压变化的数据自适应地对电池/电池充电的技术和/或电路。 在另一方面,本发明涉及使用代表电池/电池的部分松弛时间的数据自适应地对电池/电池充电的技术和/或电路。 在另一方面,本发明涉及使用代表电池/电池的超电势或完全弛豫时间的数据自适应地对电池/电池充电的技术和/或电路。 在另一方面,本发明涉及使用表示电池/电池的充电状态的数据自适应地对电池/电池充电的技术和/或电路。 在另一方面,本发明涉及使用代表电池/电池的健康状态的数据自适应地对电池/电池充电的技术和/或电路。