Apparatus for, and method of, isolating hardware and power sourc

Details Apparatus for, and method of, isolating hardware and power sourc Apparatus for, and method of, isolating hardware and power sourc

1998-07-21

2000-09-19

Ray, Gopal C.

Electrical computers and digital processing systems: support

Computer power control

Having power source monitoring

713300, 714 14, 714 25, 702187, G06F 128, G06F 126, G06F 1134

Patent

active

061227501

ABSTRACT:
An apparatus is installed in a portable terminal to isolate hardware and power source problems and to quickly find the cause of a given problem occurring in the terminal. In the apparatus, a monitoring circuit (1) monitors and measures the voltages of power sources of the terminal at predetermined intervals. A memory (2) keeps a log of the measured voltages. An output circuit (3) provides the log outside. A controller (4) controls the monitoring circuit, memory, and output circuit and provides the log outside in response to a request. The monitoring circuit, memory, output circuit, and controller are energized by a backup power source of the terminal.

REFERENCES:
patent: 5287363 (1994-02-01), Wolf et al.
patent: 5410713 (1995-04-01), White et al.
patent: 5428766 (1995-06-01), Seaman
patent: 5442679 (1995-08-01), Regis et al.
patent: 5579524 (1996-11-01), Kikinis
patent: 5684404 (1997-11-01), Millar
patent: 5903767 (1999-05-01), Little

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