Circuit configuration for signal transmitters with light-emittin

Details Circuit configuration for signal transmitters with light-emittin Circuit configuration for signal transmitters with light-emittin

1999-01-08

2000-05-30

Philogene, Haissa

Electric lamp and discharge devices: systems

Plural series connected load devices

Combined with parallel connected load device

315185R, 315135, 340907, 34082582, H05B 3700

Patent

active

060694521

ABSTRACT:
A circuit configuration for emitting light signals in a road traffic systems. A plurality of LEDs for emitting colored light are supplied with an a.c. voltage. The LEDs are arranged in two groups of LEDs which are connected antiparallel to one another. Two respective LEDs of the two groups are disposed together in a housing and the groups are cross-connected to form a multiply redundant matrix. An intrinsically safe signal transmitter configuration is provided that is simple and can easily be monitored.

REFERENCES:
patent: 3869641 (1975-03-01), Goldberg
patent: 4211955 (1980-07-01), Ray
patent: 4298869 (1981-11-01), Okuno
patent: 4329625 (1982-05-01), Nishizawa et al.
patent: 4755807 (1988-07-01), Guennou
patent: 4939426 (1990-07-01), Menard et al.

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