会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Serial communication method and apparatus
    • 串行通信方法和装置
    • US5701330A
    • 1997-12-23
    • US357893
    • 1994-12-16
    • Raymond LippmannMichael John SchnarsJames Edward NelsonJames Robert Chintyan
    • Raymond LippmannMichael John SchnarsJames Edward NelsonJames Robert Chintyan
    • H04B3/54H04L7/04H04B3/00
    • H04B3/548H04B3/542H04B2203/5408H04B2203/542H04B2203/547H04B2203/5483H04B2203/5495H04L2007/047
    • Two or more communication modules are coupled by a one wire transmission line. A feed module impresses dc power and a sine wave carrier signal on the line. Each module generates a square wave signal synchronous with the carrier, each period of the signal representing one data bit. Data is written onto the line by a module by attenuating the carrier wave for selected bits and read by another module by sampling the bits and detecting those which are attenuated. Address and message data is transmitted in packets of n bits, the first bit always being an attenuated bit. Addressing is accomplished by generating a sequence of n unattenuated bits and then writing packets of address data. An address is valid when it matches a stored address in a module and that module is then activated to read or write. Multiple addressing modules can be used with a priority technique which reserves a priority code location at the beginning of an address string and compares code bits of a sending module with carrier bits, and aborts the address write when the carrier has an attenuated priority bit and the sending module is attempting to send an unattenuated bit.
    • 两个或多个通信模块通过单线传输线耦合。 馈线模块在线上施加直流电源和正弦波载波信号。 每个模块产生与载波同步的方波信号,信号的每个周期表示一个数据位。 数据由模块写入线路,通过衰减所选位的载波,并通过对位进行采样并检测衰减的位来读取另一个模块。 地址和消息数据以n位的分组传输,第一位始终是衰减位。 寻址通过产生一个n个未衰减位的序列,然后写入地址数据的数据包来实现。 一个地址在与模块中存储的地址匹配并且该模块然后被激活以读取或写入时有效。 可以使用优先级技术来使用多个寻址模块,该技术在地址串的开始处保留优先级代码位置,并将发送模块的代码位与载波位进行比较,并且当载波具有衰减的优先级位时中止地址写入,并且 发送模块正在尝试发送一个未衰减的位。