发明名称 |
SECURITY AND ALARM SYSTEM |
摘要 |
A method and apparatus are provided for transmitting from a radio transmitter which is part of a first system to a radio receiver which is part of a second system a message which includes a plurality of characters arranged in a predetermined sequence. Each character of the message is transmitted in the form of a 48-bit binary word, the first byte of the word being a start byte, the second and third bytes being identical binary numbers representing the position in the message of a selected one of the characters, the fourth and fifth bytes being identical binary numbers which are the ASCII code corresponding to the selected character, and the sixth byte being a stop byte which is a predetermined binary number different from the start byte.
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申请公布号 |
CA1334858(C) |
申请公布日期 |
1995.03.21 |
申请号 |
CA19900616741 |
申请日期 |
1990.02.20 |
申请人 |
GERHART, ROLAND T.;HILL, J. CARROLL |
发明人 |
GERHART, ROLAND T.;HILL, J. CARROLL |
分类号 |
G08B1/00;G08B19/00;(IPC1-7):G08B19/00 |
主分类号 |
G08B1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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