Serially connected LED lamps control device

Details Serially connected LED lamps control device Serially connected LED lamps control device

2006-10-24

2006-10-24

Phan, Tho (Department: 2821)

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C347S183000, C347S232000, C347S247000, C347S184000, C315S312000

Reexamination Certificate

active

07126623

ABSTRACT:
The present invention discloses a serially connected LED lamps control circuit device, which is applicable for an integrated circuit and has the following three features: using a buffer circuit to increase the DATA and Clock lines to extend the distance between a plurality of serially connected devices, delaying half cycle of the timing of the DATA line to enhance overall system stability, and adding an internal latch signal generate circuit to simplify the requirements for external connections.

REFERENCES:
patent: 5253934 (1993-10-01), Potucek et al.
patent: 5809216 (1998-09-01), Ng
patent: 6529229 (2003-03-01), Nagumo

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