H - Electricity – 04 – B
Patent
H - Electricity
04
B
363/22, 325/93
H04B 1/16 (2006.01) H04Q 7/18 (2006.01)
Patent
CA 1196964
Abstract of the Disclosure In a pager receiver of a paging system, a reception controller is kept operable when a switch is closed. A first transistor energizes a receiver part at the beginning of a call code part of a received calling signal. If a calling code for that receiver is detected at a certain call time slot of the call code part, the first transistor maintains energization until the end of that call code part and again energizes the receiver part during a message time slot corresponding to that call time slot in a message code part which next follows that call code part in the received calling signal. A second transistor energizes a display part a little before that message time slot. If a message code is detected at that message time slot, the second transistor maintains energization to generate an alert tone and a visual display. As soon as a blank message pattern is detected at that message time slot) the second transistor suspends the energization. It is preferred that a calling code for any one of pager receivers of the system be placed nearer to the beginning of the call code part and that a blank call pattern be placed in each call time slot where no calling code is present. As soon as the blank call pattern is detected, the first transistor suspends energization without waiting for the call code part end.
419817
Akahori Masaaki
Watanabe Hiroshi
Nippon Electric Co. Ltd.
Nippon Telegraph & Telephone Public Corporation
Smart & Biggar
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