Timeline for How do I detect user proxmity to lock PC.?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jul 11, 2013 at 8:59 | comment | added | John U | There was a project a while back where they discovered laptop speakers & mics had a very wide bandwidth and could be used to ultrasonically detect the presence of the user. Very cunning, and requiring no extra hardware. | |
| Jul 11, 2013 at 3:05 | comment | added | JYelton | False positives on a system like this would be annoying. "I'm about to get the high score of all time on this game..." LOCK | |
| Jul 10, 2013 at 22:01 | history | edited | user606723 | CC BY-SA 3.0 |
added 11 characters in body
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| Jul 10, 2013 at 21:56 | answer | added | Andy aka | timeline score: 2 | |
| Jul 10, 2013 at 21:38 | comment | added | user606723 | What is the system for the things that are attached to valuable products so that the alarm sounds if they leave the store without paying? Maybe that would help me.... | |
| Jul 10, 2013 at 21:34 | history | asked | user606723 | CC BY-SA 3.0 |