H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
325/17, 325/30
H04Q 7/00 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 1261396
27598-8 ABSTRACT OF THE DISCLOSURE A mobile radio unit assures a wide area communication system having a function equal to a tracking exchange function and profitably employing an equipment of the existing exchange as it is. The mobile radio unit stores a secret number to assure a call restriction service.
504429
Fetherstonhaugh & Co.
Oki Electric Industry Co. Ltd.
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