发明名称 TRUNK TIMER ARRANGEMENT
摘要 A trunk timer for timing both answer timing and forced disconnect timing, wherein the counting rate during forced disconnect timing is at a different counting rate. Each trunk has its own individual trunk timer, in its assigned memory word.
申请公布号 US3774175(A) 申请公布日期 1973.11.20
申请号 USD3774175 申请日期 1972.09.05
申请人 GTE AUTOMATIC EL LAB INC,US 发明人 PADGETT R,US
分类号 H04Q3/00;(IPC1-7):G11C7/00 主分类号 H04Q3/00
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