Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1996-12-06
1999-02-16
Chin, Wellington
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 69, 455575, 455115, H04B 1700
Patent
active
058730273
ABSTRACT:
A mobile radio system includes a base station and a plurality of mobile radio apparatuses, with each mobile radio apparatus including a control CPU for controlling the mobile radio apparatus and monitoring the state of the hardware of the mobile radio apparatus, a transmitter unit for transmitting data in the form of radio waves, and a CPU monitor unit. The control CPU regularly monitors and checks for any abnormalities in the hardware of the mobile radio apparatus, the CPU monitor unit regularly monitors and checks for any abnormalities in the control CPU. If there is an abnormality, a disabled transmission output acceptance signal is supplied to the transmitter unit to inhibit or suppress the output of radio waves, thereby avoiding interference to the system caused by unnecessary radio wave transmission from an abnormal mobile radio apparatus.
REFERENCES:
patent: 3829782 (1974-08-01), Dillman et al.
patent: 3958244 (1976-05-01), Lee et al.
patent: 4035727 (1977-07-01), Ishii
patent: 4903193 (1990-02-01), Nakamura
patent: 5265119 (1993-11-01), Gilhousen
patent: 5398332 (1995-03-01), Komoda et al.
JP 170127, Kuramoto et al: Translation.
Asano Nobuo
Horikawa Izumi
Chin Wellington
Frank Robert J.
Matsushita Electric - Industrial Co., Ltd.
Sobutka Philip J.
Wood Allen
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