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    • 2. 发明授权
    • Multiport-multipoint digital data service
    • 多端口多点数字数据业务
    • US5359602A
    • 1994-10-25
    • US124044
    • 1993-09-21
    • Jose R. DiazNorman J. Donague
    • Jose R. DiazNorman J. Donague
    • H04J3/06H04J3/16H04J3/22
    • H04J3/0682
    • In a Digital Data System (DDS) a method and apparatus for providing multipoint multiport service. Differences in time delays through the network are compensated by an alignment training wherein the delays from each remote station are measured at a Central station. The Central station determines how much delay to insert at each remote station and then instructs the remote stations to insert the delays. This allows all inbound data to be aligned in time so that when the data are combined within the network by the Multipoint Junction Units (MJU) data errors are not produced. Aligned frames are combined in the MJU operating in data mode in a logical AND operation so that marks transmitted by inactive ports are combined with data from active ports to produce a composite signal which is passed to the Central DSU.
    • 在数字数据系统(DDS)中,提供多点多端口服务的方法和装置。 通过对准训练补偿通过网络的时间延迟的差异,其中来自每个远程站的延迟在中央站测量。 中央站确定在每个远程站插入多少延迟,然后指示远程站插入延迟。 这允许所有入站数据在时间上对准,使得当数据通过多点连接单元(MJU)在网络内组合时,不会产生数据错误。 对齐的帧在逻辑与操作中以数据模式操作的MJU中组合,使得由非活动端口发送的标记与来自活动端口的数据组合以产生传递到中央DSU的复合信号。
    • 5. 发明授权
    • Digital service unit with secondary channel diagnostics
    • 具有辅助通道诊断功能的数字服务单元
    • US4745601A
    • 1988-05-17
    • US790687
    • 1985-10-23
    • Jose R. DiazNorman J. Donaghue, Jr.
    • Jose R. DiazNorman J. Donaghue, Jr.
    • H04L1/24H04L25/49H04J3/12
    • H04L1/247H04L25/4925
    • In a method and apparatus for transmitting data over either a DDS-I (74) or DDS-II (DDS-SC) network (34), a primary and secondary channel are accommodated preferably for providing both primary data capability and diagnostics for the network. Primary and secondary channel data are multiplexed with control information in a standard DDS-SC frame. The system timing circuitry is locked to the DDS data rate and means for providing encoding and decoding of bipolar violations is provided so that the digital service unit (DSU) is compatible with both types of digital data service. At power-up, a microcomputer (102) reads the DSU clock frequency and the voltage offset of operational amplifiers and provides adjustment through digital to analog converters (210,294).
    • 在用于通过DDS-I(74)或DDS-II(DDS-SC)网络(34)上传输数据的方法和装置中,优选地适用主要和次要信道,用于提供网络的主要数据能力和诊断 。 主要和次要信道数据与标准DDS-SC帧中的控制信息进行复用。 系统定时电路被锁定到DDS数据速率,并且提供用于提供双极违例的编码和解码的装置,使得数字服务单元(DSU)与两种类型的数字数据服务兼容。 在上电时,微计算机(102)读取DSU时钟频率和运算放大器的电压偏移,并通过数模转换器(210,294)提供调整。
    • 6. 发明授权
    • Multiport-multipoint digital data service
    • 多端口多点数字数据业务
    • US5450409A
    • 1995-09-12
    • US913894
    • 1992-07-16
    • Jose R. DiazNorman J. Donaghue
    • Jose R. DiazNorman J. Donaghue
    • H04J3/06H04J3/16H04J3/22H04Q11/04
    • H04J3/0682
    • In a Digital Data System (DDS) a method and apparatus for providing multipoint multiport service. Differences in time delays through the network are compensated by an alignment training wherein the delays from each remote station are measured at a Central station. The Central station determines how much delay to insert at each remote station and then instructs the remote stations to insert the delays. This allows all inbound data to be aligned in time so that when the data are combined within the network by the Multipoint Junction Units (MJU) data errors are not produced. Aligned frames are combined in the MJU operating in data mode in a logical AND operation so that marks transmitted by inactive ports are combined with data from active ports to produce a composite signal which is passed to the Central DSU.
    • 在数字数据系统(DDS)中,提供多点多端口服务的方法和装置。 通过对准训练补偿通过网络的时间延迟的差异,其中来自每个远程站的延迟在中央站测量。 中央站确定在每个远程站插入多少延迟,然后指示远程站插入延迟。 这允许所有入站数据在时间上对准,使得当数据通过多点连接单元(MJU)在网络内组合时,不会产生数据错误。 对齐的帧在逻辑与操作中以数据模式操作的MJU中组合,使得由非活动端口发送的标记与来自活动端口的数据组合以产生传递到中央DSU的复合信号。
    • 7. 发明授权
    • Battery charger having current increasing circuit
    • 电池充电器具有电流增加的电路
    • US06184657B2
    • 2001-02-06
    • US09374019
    • 1999-08-13
    • Jose R. DiazGeorge R. GawellNeal R. McCurdy
    • Jose R. DiazGeorge R. GawellNeal R. McCurdy
    • H02J700
    • H02J7/022H02M7/06
    • A battery charger is adapted to increase a charge current applied to at least one battery from a predetermined supply voltage. The charger includes a supply voltage generating device coupled to an AC voltage source for generating the predetermined supply voltage and a charging circuit electrically connected to the supply voltage generating device. The charging circuit includes a first capacitor and a second capacitor AC coupled to the first capacitor. The charging circuit is adapted to apply the charge current from the supply voltage generating device to the at least one battery through the first capacitor during a first half of a charging cycle, and store the charge current from the supply voltage generating device in the second capacitor during a second half of the charging cycle. The stored charge energy is then applied to the at least one battery during the first half of the charging cycle to increase the total charge current being applied to the at least one battery during the first half of the charging cycle.
    • 电池充电器适于从预定电源电压增加施加到至少一个电池的充电电流。 充电器包括耦合到用于产生预定电源电压的AC电压源的电源电压产生装置和电连接到电源电压产生装置的充电电路。 充电电路包括耦合到第一电容器的第一电容器和第二电容器AC。 充电电路适于在充电周期的前半部分期间通过第一电容器将来自电源电压产生装置的充电电流施加到至少一个电池,并将来自电源电压产生装置的充电电流存储在第二电容器 在充电周期的后半段。 然后,在充电周期的前半部分期间将存储的充电能量施加到至少一个电池,以增加在充电周期的前半部分期间施加到至少一个电池的总充电电流。