Power controlling apparatus with a power failure detecting funct

Details Power controlling apparatus with a power failure detecting funct Power controlling apparatus with a power failure detecting funct

1991-10-30

1994-07-26

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

340636, 320 48, G08B 2100

Patent

active

053329937

ABSTRACT:
A CPU in a power source controller generates various error status data, that correspond to various kinds of failure conditions, based on detection signals supplied from a variety of failure detection circuits provided at a power source circuit. The CPU controls an LED in a blinker based on the error status data to light up and extinguish the LED in an orderly fashion which is fixed by the generated data, so that the blinker blinks variously in correspondence with various kinds of power failure conditions. Thus, a various kinds of power failure conditions can be indicated by difference in blinking operation of the blinker.

REFERENCES:
patent: 3940679 (1976-02-01), Brandwein et al.
patent: 4307389 (1981-12-01), Slotkowski
patent: 4553081 (1985-11-01), Koenck
patent: 4600962 (1986-07-01), Bliehall
Toshiba User's Manual, "T1600 Portable Personal Computer" Sep. 1988.
Toshiba Reference Manual, "T2000SX Portable Personal Computer" Nov. 1990.

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