> USB POWER > --------- > The 2 USB host ports have individual power with over-current=20 > detection and power control. They can be individually=20 > powered-off under SW control for power management. USB power is nice but what if you are using all your usb ports for other devices? It should be an alternative but not the only solution. =20 One other benefit of using the USB is the ability to control the screen settings from software. That way we don't have to put dials or knobs on = the HMD itself. A bit of a double edged sword.... > POWER OUT > --------- > Adding an internal connector for batteries is reasonable. > The end panels are 1.25mm thick aluminum ... tough stuff, but=20 > we could also generate custome end panels. Why so thick? For a body worn application it doesn't need to be that strong. Can you get a plastic enclosure as an alternative? > Why Compact FLASH for 802.11b? > ------------------------------ > Because 802.11b is not a good solution for any portable=20 > device period. This leaves options like putting in a GSM=20 > radio for certain applications, or BlueTooth or ZigBee, which=20 > make a lot more sense for the real world. 802.11b is such a=20 > power hog, the only portables with big enough batteries are=20 > lap-tops, and even then it won't last a single shift=20 > (8-hours) on one charge. For real-world applications,=20 > carrying a Sears Die-Hard car battery along isn't acceptable! I agree, the CF form factor is becoming more widely supported. You can = get almost anything on a CF card now. =20 -Tony -- Subscription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.blu.org Please, *PLEASE* don't subscribe through a forward/expander/false domain
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