13/07/2009

LED Backlight

I Have My IPod Nano, Where's Yours?
By [http://ezinearticles.com/?expert=Jacob_Loeb]Jacob Loeb

Take out four credit cards from your wallet. Stack them and hold them in your hand.
Apple’s iPod nano http://www.powermax.com/cgi-global/generate_css_temp.cgi?
i=PM_MP_IN&t=The+iPod+nano is about the same weight and half an inch less wide
than that stack of cards. Now put three cards back in your wallet and use the
remaining card to go buy yourself a nano.

The nano’s introduction should not be misinterpreted as just another iPod in the
lineup. It is, in fact, exactly what the iPod should have been in the first place: a
flash-based jukebox with a long battery life and stunning color screen. This new
iPod is not a smaller version of another iPod, or combination of any other two iPods.
The user interface is the same (which has always been iPod’s strength) but that’s it.
The differences here are under the skin, most notably with the screen.

Color screens are not new to iPods, but the way you see the color is. The nano’s
1.5-inch color LCD has a blue-white LED backlight. LEDs achieve full brightness
faster than standard LCD backlights. This is particularly useful because iPods turn
on and off their backlight often to save battery power. The number of seconds this
saves you per day is not going to give you an extra hour of sleep at night. But the
LCD’s quick start up allows your eyes to focus near instantaneously, which makes
using the nano feel that much faster. LEDs produce brighter light than other
backlights without washing out the image. That gives the nano screen a deep bright
color. Over all the nano’s LCD is the best I have seen in the 1-inch to 3-inch size.

Another difference from previous iPods is the nano’s lack of FireWire support.
Although iPods have come with only USB 2.0 cables for some time, they have always
supported syncing through a FireWire cable. The iPod nano is the first to be USB
only. When you connect a nano via a “FireWire to Dock Connecter” cable it displays a
message that this is a USB only device. It will still charge off the FireWire cable but
no file transfers can be done. If your computer has only the older USB 1.1, the nano
will still sync with iTunes but you are stuck moving files over at an extremely slow
speed.

Amazingly, the nano has no moving parts except the click wheel. This was done by
using flash memory for song storage. Every iPod ever made has had flash memory,
but it was used on most iPods as a data buffer. Song data was pulled from the hard
drive and stored in the buffer for skip protection. However, iPod hard drives are very
slow and can cause delays when loading a song off the drive. So Apple also uses the
buffer to preload songs, so you don’t hear a pause between songs. Of course, not
every song is in the buffer so sometimes there are pauses between songs. Changing
songs in the nano, however, is faster than with hard drive based iPods because it
has one big buffer. An added benefit of using flash memory is a significant
reduction in weight.

The small size and weight of the iPod nano is its best feature. It slips into a shirt
pocket without being felt or seen. The difference between the nano and its hard
drive based brothers is equal to the difference between the brick sized analog cell
phones of the 1980’s compared to the cell phones of today. A close second place
feature is that it comes in black. When Apple released the third generation of iPods,
they photographed it in the shadows. The picture made it look black and it looked
good in black. Almost every person that walked by that poster asked when could
they get a “black one.” After a couple of years, Apple finally realized “U2” fans were
not the only ones who like black.

The iPod nano is the only product I have ever ordered the day it was released. I saw
instantly it possessed all that had been missing from the iPods that came before it,
and at a spectacular price. I just couldn’t wait another day… so what are you waiting
for?

PowerMax’s http://www.powermax.com/ resident Mac expert, Jacob Loeb, has
been using Macintosh computers professionally since 1990. He founded a
pioneering Mac based DVD production company and later worked as an IT
administrator for several Portland, Oregon companies. Over the last four years Jacob
has retained a top Apple Product Professional ranking. As a PowerMax technician
he’s repaired, trouble shot, and tested every model Mac we sell.

Article Source: http://EzineArticles.com/?expert=Jacob_Loeb http://EzineArticles.com/?I-Have-My-IPod-Nano,-Wheres-Yours?&id=75918

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