Driving circuit for a light emitting diode array

Details Driving circuit for a light emitting diode array Driving circuit for a light emitting diode array

1988-03-24

1990-10-09

Oberley, Alvin

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340762, 340767, 346107R, G09G 332

Patent

active

049623753

ABSTRACT:
A driving circuit for a light emitting diode array, which is divided into a plurality of drivers for every driving output and so constructed that the control of the sum of the currents flowing therethrough is set by selecting one or a plurality of the divided drivers by using digital signals "1" and "0".

REFERENCES:
patent: 4427275 (1984-01-01), Stalzer
patent: 4435064 (1984-03-01), Tsukada et al.
patent: 4536778 (1985-08-01), De Schamphelaere et al.
patent: 4571602 (1986-02-01), De Schamphelaere et al.
patent: 4682162 (1989-07-01), Holloman
patent: 4689618 (1987-08-01), Hikichi
patent: 4689694 (1987-08-01), Yoshida
patent: 4734714 (1988-03-01), Takasu et al.
patent: 4750010 (1988-06-01), Ayers et al.

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