Instead of a central console, why not a beeper on each object and a program on your cell phone to access each object to beep. But when you misplace your cell phone you're up the creek.

Transmitters require power, which means each object would need a battery. The batteries would have to be regularly recharged or replaced. It would be better if you could have a scanning system in the house that could detect micro RFI chips that don't have to transmit.

It might be possible to have a power transmitter in the console that can send out a signal that is converted into electricity by the chips. Then the chips could just use the received power to transmit. This would be similar to what Tesla had suggested for general power distribution. However, unlike Tesla's idea, the amount of power required for this purpose would be low enough to be practical and would only have to work briefly when you activate it.

With the cost miniature digital data transceivers plummeting,it should be possible to design a small chip which is self powered.Small solar/light powered cells which will power the device insidethe room with minimal power requirements should do the job.

When something is hidden it may be in a drawer or under some other things where light is not available.

The device should have enough charge to last for at least 2-3 days.The HPS device is always in contact with the central console and henceit should be easy to trace a device which does not hand shake or hasa discharged cell

this sort of idea just keeps coming up--I don't see that losing things in the home is that big of a problem.

Yes, the US military can keep track of inventory with RFID and count a whole warehouse in minutes, but I just don't lose my keys often enough and when I do lose something I really need, it's a receipt or some piece of paper that I never would've put into the tracking system anyway.