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    • 5. 发明授权
    • Method of transmitting security codes to communication units
    • 将安全码发送给通信单元的方法
    • US5613215A
    • 1997-03-18
    • US230997
    • 1994-04-21
    • Gary W. GrubeTimothy W. MarkisonSusan L. Lukasik
    • Gary W. GrubeTimothy W. MarkisonSusan L. Lukasik
    • H04W8/18H04W8/24H04W12/12H04Q7/20
    • H04W8/245H04W12/12H04W8/183
    • When it is desired to transmit important or secure information to one or more communication units, a message is transmitted (200) to only valid communication unit ID codes. The message requests an acknowledgment transmission from the communication unit, including the communication unit's ID code. When no acknowledgment is received for a particular ID code, the message is transmitted again after a period of time (204). When only one acknowledgment is received for a particular ID code, the important or secure information is then transmitted (206) to that particular ID code. When more than one acknowledgment is received for a particular ID code, no important or secure information is transmitted to that particular ID code, and the ID code is flagged (207) as a potential unauthorized ID code.
    • 当希望将重要或安全的信息发送到一个或多个通信单元时,消息被传送(200)到仅有效的通信单元ID码。 该消息请求来自通信单元的确认传输,包括通信单元的ID码。 当没有为特定的ID码接收到确认时,消息在一段时间后被再次发送(204)。 当仅针对特定的ID码接收到一个确认时,然后将重要的或安全的信息(206)发送到该特定的ID码。 当针对特定的ID码接收到多于一个的确认信息时,没有重要的或安全的信息被发送到该特定的ID码,ID码被标记为(207)作为潜在的未经授权的ID码。