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To: jcholewa who wrote (48862)	7/24/2001 11:27:18 AM
From: combjelly	Read Replies (1) \| Respond to of 275872

"What is the difference between Consumer IR and IRDa? Would it be difficult for Palm to switch over from one to the other?" The frequency of the carrier. The IR LED is modulated at a particular frequency so that it doesn't get confused with back ground heat sources. The data itself modulates that frequency. That also limits the top data rate. Apparently there are some tricks to get around this, there is a program for the Familiar distribution of Linux for the iPaq that is supposed to be able to do Consumer IR, I haven't looked at the sources to see what was done. But in general, Consumer IR and IRDa can't even "see" each other, so Palm would lose the ability to "talk" to current devices. "So Palms in the future may very well use Intel processors and AMD Flash." Maybe. The current Companion chip (SA1111) runs $20-$25 by itself. No doubt it could be shrunk to 0.18 micron and made cheaper. But I doubt if it will get down to $8...