If you don't want to risk being sued for a booby trapped phone, how about at least a way to render the it useless to thieves?
For instance, you could make it unbootable from a zero power situation, and then combine that with a rapid power discharge. If the thief leaves it uncharged for even a day, its bricked! Jeff Sadowski wrote: > Oooh :-) Idea: Make it shock the user if its not the right user. I > smell smoke I think it is coming from over there. Hey look there is my > phone. next to a flaming POS. > > On Mon, Jan 26, 2009 at 4:59 PM, Lothar Behrens > <lothar.behr...@lollisoft.de> wrote: >> Hi, >> sorry for you all that lost your phone, stolen or lost anyhow by being >> careless. I also had lost a phone, but not my FR :-) >> I read the thread, and think about my contract. I have no gprs as of my old >> phone didn't let me opening >> web or wap pages. >> I have some questions and ideas that are in my brain :-) >> Is there any way to use analog modem connections ? >> I don't know how much CPU power is needed but when possible a phone could >> send more data to a dedicated >> number we could provide for that. >> If a real modem connection couldn't be used, what about creating a tone >> modulation for the data to be send >> as a 'spoken' message to be send back to a number as a voice recorder. >> The voice recorder then (a Linux PC :-) could decode the data and store the >> data. >> All the data could be collected on a web service to probably get the bad >> guys behind to give that information to >> the police. >> The web service also could provide information about stolen devices, thus >> when a phone gets any wlan connection, >> it could check for stolen state. This is not that spoof able I think, >> because the web sevice may be as usual password protected. >> But the server could provide sms, mms or phone gateways for fallback >> options. More gateways could be provided by us. >> The new gateway information could be uploaded by interacting with the user >> (software updates :-) >> If a phone didn't have gprs, sms, mms, or wlan, sending prepared 'data >> voices' would be an option. It didn't need to send much at first to get >> an answer about the stolen state in that way. I think the recorded data >> could be decoded in both directions, you don't need >> much cpu power, because it will be unidirectional, or let the 'protocol' >> enough time between packed sent and anser packets >> for decoding. >> Doing an active voice call may save us the cost of callbacks or sending back >> sms. With a proper longtime protocol with long pauses or a >> better solution a lot could be done. >> Usually you could activate this when the sim card get's changed without any >> notice to the user. He should still use the phone a while >> to collect information. We then could start a preinstalled application to >> authenticate the sim card change. If not options are many. >> The PIN entry of the normal card could be replaced by the PIN you >> provide. The user then wouldn't realize it, but claims to enter >> the correct, we simply accept, but start the timer for the above actions. >> Or we leave the user in claim that the documentation of it's sim card >> provider doesn't seem to be correct and he/she must issue >> a call with the service provider. >> At that point, the service provider couldn't help for that special phone. >> The new 'user' HAS to contact the manufacturer and so on >> you probably get your phone back, because the manufacturer should request >> for sending back the phone. >> Getting the state of stolen, the phone could anyway send a message to a >> police station near the user with spd-say, after >> the 'anti-theft' server has located the next police station's telephone >> number with any of the above options sent back to the >> phone. (Maybe with manual data entry of the phone numbers by us users with >> POI collection, hehe tangoGPS :-) >> That way the phone could help actively. Not only 'data voices' could be >> sent. >> Also the collected wlan, phone towers, GPS, voice, phone numbers and what >> else could help to locate the guys behind, >> as the phones will walk up to the key guys before it would reselled. (Where >> they all are located would be very nice POI data) >> With that data, we could help the police. >> A note about the attack to people currently having your phone: They may not >> know, that they have a stolen phone, thus >> you get to be a 'criminal' and beware, you may also get reatacked by the >> person :-) >> Giving the police the collected data, would propably help much more. >> What about all my stupid brain stuff ? >> Discuss about the possibilities - even stupid ideas as the old 'acustic >> coupler'. You don't really need all the modern GPRS stuff :-) >> If that is possible also the cost of operation is not very high I think - >> even you change your card (you know to start a separate unlocker) >> Lothar >> >> -- | Rapid Prototyping | XSLT Codegeneration | http://www.lollisoft.de >> Lothar Behrens >> Heinrich-Scheufelen-Platz 2 >> 73252 Lenningen >> >> >> >> >> >> >> >> >> _______________________________________________ >> Openmoko community mailing list >> community@lists.openmoko.org >> http://lists.openmoko.org/mailman/listinfo/community >> >> _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community