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1. 发明授权

US06289222B1 Free-forming one-way network 失效
标题翻译：自由形成单向网络
公开(公告)号：US06289222B1
公开(公告)日：2001-09-11
申请号：US08895043
申请日：1997-07-16
申请人： Nelson Cue , Che Kin Lee , Wing Yim Tam
发明人： Nelson Cue , Che Kin Lee , Wing Yim Tam
IPC分类号： H04Q720
CPC分类号： G06K7/0008 , G06K7/10029
摘要： A one-way or single-channel communication network utilizing electromagnetic radiation signals of a fixed single or narrow-band frequency in free air space consists of a plurality of transmitters and a central receiver in which each message is encoded in a wave train and is tagged with a sender identity (ID). The central receiver, which can be a single unit or a plurality of units connected in cascade, detects the messages in the free air space and send them along to a central processing unit (CPU) for message handling. Possible additional features of the system are: an option of a small display panel on the individual transmitter to show the message to be sent plus the number of attempts a message was sent within a preset time; a separate feedback segment, such as a colour change of a characteristic symbol on a central display screen visible to the sender, providing a confirmation that the message has been received; each symbol on the display screen showing the number of times a message was received from the corresponding transmitter within a present time; and a built-in option to either retain or black out the ID tag on the messages to be processed by the CPU. The free forming aspect of the system stems from the portability of the ID-encoded transmitters which enables any combination of transmitters to form a communication network, and a plurality of such combinations to form a plurality of networks.
摘要翻译：在自由空间中利用固定的单频或窄带频率的电磁辐射信号的单向或单通道通信网络由多个发射机和中央接收机组成，其中每个消息被编码在波段中并被标记具有发件人身份（ID）。可以是单个单元或多个级联的单元的中央接收机检测空闲空间中的消息并将它们发送到用于消息处理的中央处理单元（CPU）。该系统的附加功能有：单个发射机上的小型显示面板的选项，显示要发送的消息以及在预设时间内发送消息的次数; 单独的反馈段，诸如发送者可见的中央显示屏上的特征符号的颜色变化，提供已经接收到消息的确认; 显示屏幕上的每个符号表示在当前时间内从相应的发射机接收到消息的次数; 以及一个内置选项来保留或清除要由CPU处理的消息上的ID标签。系统的自由形成方面源于ID编码的发射机的可移植性，其使发射机的任何组合形成通信网络，以及多个这样的组合以形成多个网络。

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