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Laser Audio Bug - Worcester Polytechnic Institute
https://web.wpi.edu/Pubs/E-project/Available/E-project-042507-082349/unrestricted/Laser_Audio_Bug.pdf
The goal of the Laser Audio Surveillance Device is to use a reflective surface (window) adjacent to a room as a microphone™s membrane in order to detect speech within that room. Acoustic pressure incident on a window causes it to flex and by aiming a laser incident to that window, the flexing of the window can be interpreted as changes
Laser Mic Makes Eavesdropping Remarkably Simple - …
https://hackaday.com/2010/09/25/laser-mic-makes-eavesdropping-remarkably-simple/
The receiver module has a phototransistor to pick up the infrared laser light, and an LM386 audio amplifier to generate the audio signal sent to a pair of headphone. ... The LASER BUG was in fact ...
Mining Laser audio bug — EVERSPACE FORUM
https://forum.everspace-game.com/discussion/5539/mining-laser-audio-bug
Found this issue on the first planet they set you on where the audio for the lasers disappears when firing the gauss cannon. Game version: 0.4.16420 System: Unknown - Using GeForce Now Whilst I'm here: loving it so far.
Audio Bugs - Detective store
https://www.detective-store.com/audio-bugs-226
2 KL Radio bug is a device used every day by professionals, including detectives and uniformed services. If you want to discreetly check what is going on in your absence in your home, business or car, choose the miniature 2 KL eavesdropping device.
Professional listening devices and spy bugs
https://stealthtronic.com/8-listening-devices
Professional grade spy bugs and listening devices are at the core of our product line. You will not be able to find any spy bugs on the market that can match the performance of our devices. Our Vario series of spy bugs, can offer battery life of up to 200 days!Our SID (Stealth Intelligent Devices) are aimed for real professionals in their field.
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