August 2003
Beginner to intermediate
288 pages
6h 51m
English
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Chapter 7. Infrared
If you have ever used a remote control, you have used infrared technology. Infrared is a wireless communication technology that makes use of the invisible spectrum of light that is just beyond red in the visible spectrum. It’s suitable for applications that require short-range, point-to-point data transfer. Because it uses light, line of sight is a prerequisite for using infrared. Despite this limitation, infrared is widely used in household equipment and is increasingly popular in devices such as digital cameras, PDAs, and notebook computers.
Founded in 1993 as a nonprofit organization, the Infrared Data Association (IrDA) is an international organization that creates and promotes interoperable, low-cost infrared data interconnection standards that allow users to point one device at another and have it just work. The Infrared Data Association standards support a broad range of appliances, computing, and communications devices.
Tip
The term IrDA is typically used to refer to the protocols for infrared communications, not exclusively to the nonprofit body.
In this chapter, I take a look at Windows XP’s support for infrared and show how you can make use of it for your daily tasks.
IrDA in More Detail
There are currently four versions of IrDA; their differences are mainly in the transfer speed. They are:
- Serial Infrared (SIR)
This is the original standard with a transfer speed of up to 115 Kbps.
- Medium Infrared (MIR)
Improved transfer speed of 1.152 Mbps. Not widely ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.