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1.发明授权
公开(公告)号：US5727215A
公开(公告)日：1998-03-10
申请号：US565510
申请日：1995-11-30
摘要： A method for downloading software includes transmitting only that portion of the program which is to be updated or otherwise changed. In a preferred aspect, a key is also transmitted which must match a key last stored in EEPROM, to permit the download to be effected.
摘要翻译： 一种用于下载软件的方法包括只传送要被更新或以其它方式改变的程序的那部分。 在优选的方面，还发送一个密钥，其必须匹配最后存储在EEPROM中的密钥，以允许下载。
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公开(公告)号：US5440617A
公开(公告)日：1995-08-08
申请号：US226207
申请日：1994-04-11
CPC分类号： H04M11/06
摘要： After receiving an answer tone from a receiver modem, a sender modem transmits a series of DTMF pulses of predetermined tone, duration, and spacing. If the receiver modem does not verify that the pulses have the correct tone, duration and spacing, it simply hangs up.
摘要翻译： 在从接收机调制解调器接收到应答音后，发送方调制解调器发送预定音调，持续时间和间隔的一系列DTMF脉冲。 如果接收机调制解调器没有验证脉冲具有正确的音调，持续时间和间隔，它就会挂起来。
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公开(公告)号：US4858213A
公开(公告)日：1989-08-15
申请号：US895011
申请日：1986-08-08
CPC分类号： H04M1/647 , G11B27/28 , G11B27/34 , G11B33/10 , G11B2220/90
摘要： A display for providing visual indications of the lengths of recorded messages, the positions of recorded instructions and the present relative location of a record medium. Three separate arrays are provided for these indications, respectively. Each recorded message may be a letter, note, memo, etc., and is indicated by steady-state energization of segments included in a first (letter) array. "Priority" messages are represented by a distinctive indication, such as by flashing the appropriate segments in that array. Similarly, "normal" and "special" instructions are represented by two different, distinctive indications, such as steady-state and flashing energization of particular segments in a second (instruction) array.
摘要翻译： 用于提供记录消息的长度的视觉指示的显示器，记录的指令的位置和记录介质的当前相对位置。 为这些指示分别提供了三个独立的阵列。 每个记录的消息可以是字母，注释，备忘录等，并且由包含在第一（字母）数组中的段的稳态通电指示。 “优先级”消息由独特的指示来表示，例如通过闪烁该阵列中的适当段。 类似地，“正常”和“特殊”指令由两个不同的独特指示来表示，例如在第二（指令）阵列中的特定段的稳态和闪烁通电。
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公开(公告)号：US5450478A
公开(公告)日：1995-09-12
申请号：US272954
申请日：1994-07-08
CPC分类号： H04M11/04
摘要： A master data processor (18) may send data indicative of equipment condition through a modem (24) to a modem (26) of a data processor (28) in a local monitoring center (over telephone lines) whenever they occur in response to a seize mode (59) or between established times of day (64, 68, 69), or whenever the telephone line becomes free (65)if the data messages amount to alarm conditions (65). Calls can be received at the local monitoring center 14 between said preestablished times (79-82) after a predetermined number of rings (83, 85).
摘要翻译： 主数据处理器（18）可以通过调制解调器（24）将指示设备状况的数据发送到本地监视中心（通过电话线路）的数据处理器（28）的调制解调器（26） （59）或建立时间（64,68,69）之间，或者每当电话线路空闲时（65），如果数据消息达到报警条件（65）。 在预定数量的环（83,85）之间，在所述预建时间（79-82）之间可以在本地监视中心14接收呼叫。
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