Signal level indicator and associated method

Details Signal level indicator and associated method Signal level indicator and associated method

1994-06-23

1996-01-23

Bowler, Alyssa H.

Computer graphics processing and selective visual display system

Plural physical display element control system

Segmented display elements

345 39, 34082577, G09G 304, G09G 314, G08C 1900

Patent

active

054868432

ABSTRACT:
A signal level indicator (204, 304) displays the magnitude of an input signal (421) by illuminating each of a number of five LEDs (314-318, 414-418) for an individual period of time. The number of LEDs to be illuminated and the individual period of time that each is to be illuminated varies with the magnitude of the input signal (421).

REFERENCES:
patent: 3487263 (1969-12-01), Pahlavan
patent: 3976362 (1976-08-01), Kawakami
patent: 4110665 (1978-08-01), Moore
patent: 4203104 (1980-05-01), Kmetz
patent: 4336534 (1982-06-01), Kumagai
patent: 5039978 (1991-08-01), Kronberg
patent: 5093736 (1992-03-01), Ijima
Maida; "Dot/Bar-Graph Display Drivers"; Radio-Electronics; Oct. 1980; pp. 96-99, 104.

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