Richard Clark wrote:
Like I figured, another sucker posting. Cadillac was doing this for
its 2000 model:

" The 2000 Cadillac DeVille was the first vehicle to go into
production that utilizes HB LEDs for its rear combination lamps
(RCLs) as well as for its CHMSL. Many of the benefits here are
intangible-examples are the "jewel like" appearance of the RCL and
the ability to provide the tail light function with a particular
shape associated with the DeVille line. There are several tangible
benefits that can be measured, however, including reduced
electrical load, reduced mass, warranty savings, and mass
production quality improvements.

Although the Cadillac DeVille is the only production vehicle with
a complete LED rear combination lamp assembly, several other
recent car makes and models have incorporated LEDs into various
signal functions. These are primarily limited production luxury
cars, such as the Mercedes S-Class, BMW 5-Series, and Nissan
Gloria."

Uhhhhhh Richard, like I figured, you have no clue. The subject is NOT
LEDs used in automobiles. The subject is ***TIME-MULTIPLEXING*** of LEDs
used in automobiles and there is absolutely no mention of
time-multiplexing of the LEDs in your above posting, i.e. it is
irrelevant to my question.

On the Lincoln Town Car:

"light-emitting diode array on the rear of this vehicle in a
research project at California Partners for Advanced Transit and
Highways takes data from the wheels and brakes and sends a signal
to following cars indicating the acceleration and velocity of the
vehicle."

Again, absolutely no mention of any time-multiplexing of the LED
currents so your posting is completely irrelevant to my original
question which continues to be: WHEN DID AUTO MANUFACTURERS START
MULTIPLEXING THEIR AUTOMOBILE TAILLIGHTS. I suspect it was on the
2005 models and certainly not five years ago as you mistakenly
assert.

I first saw a time-multiplexed LED taillight on my 2004 Thanksgiving
trip to Memphis. I simply do not believe your assertion that
time-multiplexed taillights have been around for five years. The
onus of proof is upon you and your above posting is certainly NOT
proof of time-multiplexed LED taillights.
--
73, Cecil http://www.qsl.net/w5dxp


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