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    • 5. 发明授权
    • Dynamic link library integrity checking for handheld medical devices
    • 手持医疗设备的动态链接库完整性检查
    • US08775877B2
    • 2014-07-08
    • US13338387
    • 2011-12-28
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • G06F11/00
    • G06F19/3468G06F11/1004G06F19/00G16H40/40
    • A method of checking the integrity of a dynamic link library (DLL) file called by an application being executed on a handheld medical device is described. The method includes loading a DLL from a read only memory (ROM) to a random access memory (RAM) beginning at a fixed location in the RAM. The DLL includes a first routine for performing a safety critical function of the handheld medical device and a second routine for performing a cyclical redundancy check (CRC) once the DLL is loaded to the RAM. The method includes selectively executing the first routine from the RAM. The method includes selectively executing the second routine from the RAM including: calculating a check value based on the DLL; comparing the check value with a predetermined check value; and indicating that an error is present when the check value is different than the predetermined check value.
    • 描述了一种检查由在手持式医疗设备上执行的应用所调用的动态链接库(DLL)文件的完整性的方法。 该方法包括将DLL从只读存储器(ROM)加载到从RAM中的固定位置开始的随机存取存储器(RAM)。 该DLL包括用于执行手持医疗设备的安全关键功能的第一例程,以及一旦将DLL加载到RAM,执行循环冗余校验(CRC)的第二程序。 该方法包括从RAM中选择性地执行第一例程。 该方法包括:从RAM中选择性地执行第二例程,包括:基于DLL计算检查值; 将所述检查值与预定检查值进行比较; 并且指示当检查值不同于预定检查值时存在错误。
    • 6. 发明申请
    • DYNAMIC LINK LIBRARY INTEGRITY CHECKING FOR HANDHELD MEDICAL DEVICES
    • 动态链接图书馆完整检查手术医疗器械
    • US20130173968A1
    • 2013-07-04
    • US13338387
    • 2011-12-28
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • Gordon L. McVeyMarshall M. ParkerRichard W. Wilson
    • G06F11/08
    • G06F19/3468G06F11/1004G06F19/00G16H40/40
    • A method of checking the integrity of a dynamic link library (DLL) file called by an application being executed on a handheld medical device is described. The method includes loading a DLL from a read only memory (ROM) to a random access memory (RAM) beginning at a fixed location in the RAM. The DLL includes a first routine for performing a safety critical function of the handheld medical device and a second routine for performing a cyclical redundancy check (CRC) once the DLL is loaded to the RAM. The method includes selectively executing the first routine from the RAM. The method includes selectively executing the second routine from the RAM including: calculating a check value based on the DLL; comparing the check value with a predetermined check value; and indicating that an error is present when the check value is different than the predetermined check value.
    • 描述了一种检查由在手持式医疗设备上执行的应用所调用的动态链接库(DLL)文件的完整性的方法。 该方法包括将DLL从只读存储器(ROM)加载到从RAM中的固定位置开始的随机存取存储器(RAM)。 该DLL包括用于执行手持医疗设备的安全关键功能的第一例程,以及一旦将DLL加载到RAM,执行循环冗余校验(CRC)的第二程序。 该方法包括从RAM中选择性地执行第一例程。 该方法包括:从RAM中选择性地执行第二例程,包括:基于DLL计算检查值; 将所述检查值与预定检查值进行比较; 并且指示当检查值不同于预定检查值时存在错误。
    • 7. 发明授权
    • Access request mechanism for a serial data input/output system
    • 串行数据输入/输出系统的访问请求机制
    • US4156277A
    • 1979-05-22
    • US836846
    • 1977-09-26
    • Charles L. SeitzMarshall M. Parker
    • Charles L. SeitzMarshall M. Parker
    • G06F13/26G06F13/374G06F3/00
    • G06F13/26G06F13/374
    • An I/O data interface provides an access mechanism without requiring additional lines on the bus for device address presentation for the request of access. Each peripheral device can detect an invitation-to-request access signal and in response thereto, to supply its own device address on the bus in a serial manner with any other device requesting access. Respective device addresses are assigned to respective peripheral devices in accordance with their priority, the higher priority devices having a higher address and the lower priority devices having a lower address. If any address bit of a particular device is lower than an address bit on the bus, the device ceases to supply its address bits with the result that only the requesting device having the larger device address will be selected for communication over the I/O bus.
    • I / O数据接口提供访问机制,而不需要总线上的附加线路用于访问请求的设备地址呈现。 每个外围设备可以检测邀请请求访问信号,并且响应于此,以与请求访问的任何其他设备的串行方式在总线上提供其自己的设备地址。 各个设备地址根据其优先级分配给相应的外围设备,较高优先级的设备具有较高地址,较低优先级的设备具有较低的地址。 如果特定设备的任何地址位低于总线上的地址位,则设备停止提供其地址位,结果是只有具有较大设备地址的请求设备将被选择用于通过I / O总线进行通信 。
    • 8. 发明授权
    • Local area contention network data communication system
    • 局域争用网络数据通信系统
    • US4332027A
    • 1982-05-25
    • US145606
    • 1980-05-01
    • Michael A. MalcolmMark L. C. GerholdGary W. HodgmanMarshall M. ParkerLawrence D. RogersJohn E. Spracklen
    • Michael A. MalcolmMark L. C. GerholdGary W. HodgmanMarshall M. ParkerLawrence D. RogersJohn E. Spracklen
    • H04L12/413H04J6/00
    • H04L12/413
    • This disclosure relates to a station for a data transmission network which is adapted to operate in a cyclic mode for contending for access to the network channel along with other stations of the network. The three states of the cycle are the idle state, the packet-being-transmitted state and the acknowlegement period state. Each station will not begin transmission until it determines that the channel is in an idle state. Once the station has determined that the channel is idle, it will then delay for a period of time that is randomly chosen and, if the channel is still idle, will then begin transmission. In this way, contention conflicts between stations is minimized without unduly restricting communication between stations. Following transmission, the channel will again be quiescent a short period of time before the acknowledgement signal is transmitted from the receiver. Each packet of data to be transmitted is of a fixed length so as to provide for synchronization between various stations contending for access to the channel.
    • 本公开涉及一种用于数据传输网络的站,其适于以循环模式操作,用于与网络的其他站一起竞争访问网络信道。 循环的三个状态是空闲状态,分组传输状态和确认周期状态。 在确定通道处于空闲状态之前,每个站将不会开始传输。 一旦站已经确定信道是空闲的,它将随后延迟一段随机选择的时间,并且如果信道仍然空闲,则将开始传输。 以这种方式,站点之间的争用冲突被最小化,而不会不适当地限制站点之间的通信。 在发送之后,在从接收机发送确认信号之前,该信道将在短时间内再次静止。 要发送的每个数据包是固定长度的,以便提供竞争接入信道的各个站之间的同步。
    • 9. 发明授权
    • Video Synthesizer for a digital video display system employing a
plurality of grayscale levels displayed in discrete steps of luminance
    • 视频合成器,用于采用以亮度的离散步骤显示的多个灰度等级的数字视频显示系统
    • US4513278A
    • 1985-04-23
    • US82565
    • 1979-10-09
    • Charles L. SeitzPaul GrunewaldMarshall M. ParkerIrvin G. Stafford
    • Charles L. SeitzPaul GrunewaldMarshall M. ParkerIrvin G. Stafford
    • G09G5/24G09G5/42H03K13/02
    • G09G5/42G09G5/24
    • A digital video display system wherein the various characters to be displayed are displayed in the form of images of the complete character rather than the standard dot-matrix pattern of the prior art. A character generator in the display system stores signals representing the various characters to be displayed which are retrieved from storage in response to a character code. The signals are in the form of a binary code having a sufficient number of bits to represent a different number of levels of gray-scale or luminance values for the various picture elements making up the character image. The binary codes thus retrieved from storage are supplied to a video synthesizer that generates the video signal to display the character images which may be displayed in a number of different modes including white-on-black, black-on-white, black-on-gray, and white-on-gray as well as different combinations of such modes to represent a cursor. The video synthesizer can generate output voltage levels in discrete steps for the different luminances to be employed. The voltage output signals differ from level to level in accordance with the 2.2 root of luminance.
    • 一种数字视频显示系统,其中要显示的各种字符以完整字符的图像的形式而不是现有技术的标准点阵图案显示。 显示系统中的字符发生器响应于字符代码存储表示从存储器检索的要显示的各种字符的信号。 这些信号是具有足够数量的位的二进制码的形式,以表示构成字符图像的各种图像元素的不同数量的灰度级或亮度值。 这样从存储器检索的二进制码被提供给视频合成器,该视频合成器产生视频信号以显示可以以黑白,黑白,黑 - 黑等多种不同模式显示的字符图像。 灰色和灰白色以及这些模式的不同组合来表示光标。 视频合成器可以为采用不同亮度的离散步长产生输出电压电平。 电压输出信号根据亮度根数根据电平不同而不同。
    • 10. 发明授权
    • Control means to provide slow scrolling positioning and spacing in a
digital video display system
    • 控制装置在数字视频显示系统中提供缓慢的滚动定位和间隔
    • US4284988A
    • 1981-08-18
    • US79831
    • 1979-09-28
    • Charles L. SeitzPaul GrunewaldMarshall M. ParkerIrvin G. Stafford
    • Charles L. SeitzPaul GrunewaldMarshall M. ParkerIrvin G. Stafford
    • G09G5/24G09G5/28G09G5/40G06F3/14
    • G09G5/40G09G5/24G09G5/28
    • This disclosure relates to a digital video display system wherein a control element is provided that includes position and count registers to specify the initial position of a scan line and the number of scan lines displayed which registers are supplied with incoming data to specify the position of each character line so that the position of a character image on display can be adjusted upwardly or downwardly to give the appearance of smooth scrolling.The various characters to be displayed are displayed in the form of images of the complete character rather than the standard dot-matrix pattern of the prior art. A character generator in the display system stores signals representing the various characters to be displayed which are retrieved from storage in response to a character code. The signals are in the form of a binary code having a sufficient number of bits to represent a different number of levels of gray-scale or luminance values for the various picture elements making up the character image.
    • 本公开涉及一种数字视频显示系统,其中提供了控制元件,其包括位置和计数寄存器,以指定扫描线的初始位置和显示的扫描线的数量,哪些寄存器被提供有输入数据以指定每个 字符行,使得显示器上的字符图像的位置可以向上或向下调整以给出平滑滚动的外观。 要显示的各种字符以完整字符的图像的形式显示,而不是现有技术的标准点阵图案。 显示系统中的字符发生器响应于字符代码存储表示从存储器检索的要显示的各种字符的信号。 这些信号是具有足够数量的位的二进制码的形式,以表示构成字符图像的各种图像元素的不同数量的灰度级或亮度值。