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    • 4. 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。
    • 5. 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。
    • 6. 发明授权
    • System and method for digital image capture and transmission
    • 数字图像采集和传输的系统和方法
    • US5917542A
    • 1999-06-29
    • US801537
    • 1997-02-18
    • Omid A. MoghadamAllen D. HeberlingJames D. Allen
    • Omid A. MoghadamAllen D. HeberlingJames D. Allen
    • H04N1/00H04N1/21H04N1/32H04N5/225
    • H04N1/2137H04N1/00912H04N1/2112H04N1/32374H04N1/32614H04N1/32641H04N1/32683H04N1/00204H04N2201/0055H04N2201/0087
    • A system method for digital image capture and transmission includes an image fulfillment server, having a transceiver for sending and receiving channel assessment signals and receiving a digital image file and a memory for storing the received digital image file. The system also includes a digital camera having an electronic image sensor for sensing an image and producing a digital image; a short term memory for storing digital images produced by the image sensor in digital image files; a transceiver for communicating with and transmitting the digital image files to the image fulfillment server; a signal strength detector for monitoring the registration signal from the fulfillment server and producing a transmit enable signal; a long term memory for storing the digital image files; the transmit enable signal for disabling transmission of the digital image data when the channel assessment signal indicates that successful transmission of the digital image data is not possible; and a timer for transferring the digital image file from the short term memory to the long term memory after a predetermined period of time.
    • 一种用于数字图像捕获和传输的系统方法包括:图像执行服务器,具有用于发送和接收信道评估信号的收发器,以及接收数字图像文件和用于存储所接收的数字图像文件的存储器。 该系统还包括具有用于感测图像并产生数字图像的电子图像传感器的数字照相机; 用于将由图像传感器产生的数字图像存储在数字图像文件中的短期存储器; 用于与图像执行服务器进行通信和发送数字图像文件的收发器; 信号强度检测器,用于监视来自履行服务器的注册信号并产生发送使能信号; 用于存储数字图像文件的长期存储器; 当信道评估信号指示数字图像数据的成功发送是不可能时禁止数字图像数据传输的发送使能信号; 以及用于在预定时间段之后将数字图像文件从短期存储器传送到长期存储器的定时器。