| 发明名称 |
Digital telephony |
| 摘要 |
Subscriber units which communicate with a base station in predetermined time slots within fixed length time frames are grouped into classes of subscriber units. At least one selected class is restricted from transmitting certain types of messages so as to ease system loading when many subscribers are trying to make calls. |
| 申请公布号 |
ZA9507743(B) |
申请公布日期 |
1996.05.06 |
| 申请号 |
ZA19950007743 |
申请日期 |
1995.09.14 |
| 申请人 |
IONICA INTERNATIONAL LIMITED. |
发明人 |
DAVID CHARLES BROCK;RUPERT LESLIE ALEXANDER GOODINGS;PAUL MAXWELL MARTIN;ROGER JAMES MCARTHUR;CHRISTOPHER JOHN SHORE |
| 分类号 |
H04J3/00;H04B7/24;H04J3/16;H04W74/08 |
主分类号 |
H04J3/00 |
| 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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