G - Physics – 08 – B
Patent
G - Physics
08
B
325/93
G08B 3/10 (2006.01) G08B 5/22 (2006.01) H04Q 7/18 (2006.01)
Patent
CA 1310372
ABSTRACT OF THE DISCLOSURE A paging receiver having a capability of receiving message data includes a data set and hold circuit the output logic of which is inverted in response to the detection of a control signal which follows a Paging number assigned to that receiver. The receiver is excluded from or restored into a data service which is allowed by a common number adapted for many and unspecified receivers, by the output of the data set and hold circuit. The data set and hold circuit is powered by a different power source from a main power source of the receiver. Whether or not the power source associated with the data set and hold circuit is present is determined and, if it is not present, receipt of the data service based on the common number is inhibited. To eliminate malfunctions due to static electricity, a train of pulses are used as a control signal which follows a paging signal assigned to the individual receiver. The data set and hold circuit responds to means for sensing the pulse train, whereby the receipt of the data service which is based on the common number is inhibited or recovered by an output of the data set and hold circuit.
534391
Mori Toshihiro
Oyagi Takashi
Corporation Nec
Smart & Biggar
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