Driver circuit for driving a light source of an optical...

Details Driver circuit for driving a light source of an optical... Driver circuit for driving a light source of an optical...

2007-01-30

2007-01-30

Lee, Wilson (Department: 2163)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S037000

Reexamination Certificate

active

10795689

ABSTRACT:
A driver circuit for driving a light source of an optical pointing device includes a first transistor coupled to the light source. The driver circuit includes a controller coupled to the first transistor for monitoring a first current through the light source, comparing the first current to a reference current, and generating a control signal based on a result of the comparison, wherein the control signal causes the first transistor to change the first current.

REFERENCES:
patent: 4967417 (1990-10-01), Yamada
patent: 5134323 (1992-07-01), Congdon
patent: 5305337 (1994-04-01), Araki et al.
patent: 5802089 (1998-09-01), Link
patent: 5936986 (1999-08-01), Cantatore et al.
patent: 5966395 (1999-10-01), Ikeda
patent: 6265832 (2001-07-01), Maisel et al.
patent: 6320890 (2001-11-01), Taguchi
patent: 6392215 (2002-05-01), Baumgartner et al.
patent: 6408087 (2002-06-01), Kramer
patent: 6496526 (2002-12-01), McIntyre
patent: 6555966 (2003-04-01), Pitigoi-Aron
patent: 6631218 (2003-10-01), Badyal et al.
patent: 6674269 (2004-01-01), McIntyre
patent: 6683490 (2004-01-01), Kaminishi
patent: 6744795 (2004-06-01), Magoon
patent: 6762636 (2004-07-01), Khawshe
patent: 6826215 (2004-11-01), Tsuji et al.
patent: 6956408 (2005-10-01), Schrodinger et al.
patent: 2001/0043093 (2001-11-01), Sakura et al.
patent: 2003/0039280 (2003-02-01), Mangano et al.
patent: 2003/0156609 (2003-08-01), Tsai
patent: 2003/0235062 (2003-12-01), Burgyan et al.
patent: 2004/0114649 (2004-06-01), Asuri et al.
patent: 2004/0178778 (2004-09-01), Bansal
patent: 2004/0264526 (2004-12-01), Schrodinger
patent: 2005/0093488 (2005-05-01), Hung et al.

Affiliated with

Also associated with

Rating

Driver circuit for driving a light source of an optical... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Driver circuit for driving a light source of an optical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driver circuit for driving a light source of an optical... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3802760