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    • 1. 发明授权
    • Communicating in the presence of periodic microwave noise
    • 在周期性微波噪声的情况下通信
    • US06804496B1
    • 2004-10-12
    • US09498576
    • 2000-02-04
    • Grant B. CarlsonJames D. AllenAllen D. Heberling
    • Grant B. CarlsonJames D. AllenAllen D. Heberling
    • H04B1700
    • H04B1/1027
    • A wireless communication system operating in the presence of the periodic noise signals such as from a microwave oven, the communication system, including at least two wireless communication stations with each station including a transceiver, each such transceiver. Each transceiver includes a detector for detecting periodic noise signals and producing a first signal indicating the presence of noise signal's quiescent period and second signals indicating the end of quiescent periods of such periodic noise signal. A controller responsive to the first and second noise signals controls the transceiver to provide effective communication with an other transceiver which minimizes the noise effect of the periodic noise signal. The transceiver transmits information concerning the detected quiescent period for use by the other transceiver to determine when to transmit during such quiescent period.
    • 一种无线通信系统,在诸如微波炉的周期性噪声信号的存在下工作,该通信系统包括至少两个无线通信站,每个站包括收发信机,每个这样的收发信机。 每个收发器包括用于检测周期性噪声信号并产生指示噪声信号的静止周期的存在的第一信号和指示这种周期性噪声信号的静止周期结束的第二信号的检测器。 响应于第一和第二噪声信号的控制器控制收发器以提供与使周期性噪声信号的噪声影响最小化的其它收发器的有效通信。 收发器发送关于所检测到的静止时段的信息,以供另一个收发器使用,以确定在这种静止期间何时发送。
    • 2. 发明授权
    • Dynamic packet sizing in an RF communications system
    • RF通信系统中的动态分组大小
    • US06256478B1
    • 2001-07-03
    • US09506136
    • 2000-02-17
    • James D. AllenGrant B. CarlsonAllen D. Heberling
    • James D. AllenGrant B. CarlsonAllen D. Heberling
    • H04Q720
    • H04W28/06H04L1/0007H04W16/14
    • A wireless communication system operating in the presence of the periodic noise such as from a microwave oven, the communication system, wherein the wireless communication system including at least two wireless communication stations with transceiver in microwave communication with each other, each such station detects periodic microwave signals for producing a signal indicating the duration of a periodic microwave signal's quiescent period; and controls the transmitter to send a data packet which includes data and the duration of quiescent periods in the periodic microwave signal; and adjusts the amount of data sent in an data packet as a function of the duration of the quiescent period.
    • 在存在诸如来自微波炉,通信系统的周期性噪声的情况下操作的无线通信系统,其中所述无线通信系统包括具有彼此微波通信的收发器的至少两个无线通信站,每个这样的站检测周期性微波 用于产生指示周期性微波信号的静止期的持续时间的信号的信号; 并且控制发送器发送包括周期性微波信号中的数据和静止周期的持续时间的数据分组; 并且根据静止期的持续时间来调整在数据分组中发送的数据量。
    • 4. 发明授权
    • Addition of flexible fuel engine control system
    • 增加灵活的燃油发动机控制系统
    • US07305939B2
    • 2007-12-11
    • US11379823
    • 2006-04-24
    • Grant B. Carlson
    • Grant B. Carlson
    • F02B3/06F02D19/00
    • F02P5/1527F02D19/061F02D19/066F02D19/084F02D19/087F02D41/0025F02D41/266F02D2200/0611F02D2400/11Y02T10/36Y02T10/46
    • The apparatus and method convert the fuel system of an internal combustion engine in a pre-existing (used) vehicle to operate on a mixture of fuels (like ethanol and gasoline) from a single fuel tank. The apparatus includes a fuel composition sensor installed in the fuel line and an electronic control unit with at least one fuel injector driver circuit for controlling an output signal to at least one fuel injector for controlling the air to fuel ratio of the engine. The electronic control unit controls both ignition timing and the air to fuel ratio of the engine based upon the percentage or ratio of the alternative fuel to gasoline from the fuel composition sensor. The electronic control unit receives both timing signals and fuel injector control signals from the engine's original Engine Control Module and the original emission control devices are not modified or replaced.
    • 该装置和方法将一种内燃机的燃料系统转换成预先存在的(使用过的)车辆,以便从单个燃料箱中燃料(如乙醇和汽油)的混合物进行操作。 该装置包括安装在燃料管线中的燃料组成传感器和具有至少一个燃料喷射器驱动电路的电子控制单元,用于控制至少一个燃料喷射器的输出信号,以控制发动机的空燃比。 电子控制单元基于来自燃料组成传感器的替代燃料与汽油的百分比或比例来控制发动机的点火正时和空燃比。 电子控制单元从发动机的原始发动机控制模块接收定时信号和燃料喷射器控制信号,并且原始排放控制装置不被修改或更换。
    • 9. 发明申请
    • CHANNEL-SWITCHING REMOTE CONTROLLED BARRIER OPENING SYSTEM
    • 信道切换远程控制障碍开放系统
    • US20100301999A1
    • 2010-12-02
    • US12473083
    • 2009-05-27
    • Grant B. CarlsonBrett A. Reed
    • Grant B. CarlsonBrett A. Reed
    • G06F7/00
    • G08C17/02E05F15/77G07C9/00182G07C2009/00793
    • An improved barrier door one way wireless communication system for operating a barrier, such as a garage door, includes the transmission and reception of multibit code hopping data packets in combination with automatic RF channel switching. Packet data is transmitted automatically on more than one RF channels in a switching style while sending two or more redundant multibit code hopping data packets on each of the RF channels. The system also provides for the learning of a transmitter to a receiver where two or more code hopping data packets must be received and decoded by the receiver on all RF channels before a transmitter can be learned to a receiver. Once the transmitter is learned, actuation of the transmitter during a learn mode can open a window for learning of a single channel transmitter.
    • 改进的用于操作障碍物的障碍门单向无线通信系统,例如车库门,包括与自动RF信道切换相结合的多位跳码数据分组的发送和接收。 在多个RF信道上以分组方式自动发送分组数据,同时在每个RF信道上发送两个或多个冗余多位跳频数据分组。 该系统还提供发射机到接收机的学习,其中在发射机可以被学习到接收机之前,必须在所有RF信道上由接收机接收和解码两个或多个跳码数据分组。 一旦发射机被学习,在学习模式下的发射机的启动可以打开用于学习单个信道发射机的窗口。