Posted: 4/26/2011 10:52:08 AM EDT
| What are your opinions on tiny surveillance devices that can be placed anywhere, worn, et cetera? For instance, say you could put tiny cameras on the corners of your car that could record 72 hours in a loop –– motion while driving, frame differences with time stamps while parked (i.e., motion if there's someone in the field of view, otherwise nothing). I think such technology is inevitable and would be useful, provided it's privately owned and monitored –– in that, private citizens will come forward with evidence if needed to catch somebody. I think the presence and possibility of such technology is a significant deterrent to random acts of violence and violent escalation of personal crime. Would you invest in such technology? |
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if its not seen how will the cops be able to arrest you in your own garage for filming him.. ?
think of the little cops.. with that said.. I was given a device as a gift once.. fit just behind the rear view mirror.. recorded in a 12 hours loop at the time all it was .. was a "cool " thing... now i would love to have THAT model but all i remember was it was small.. and recorded in a 12 hour loop.. |
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You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment.
Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. |
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Quoted:
You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You could do it with a lot less power than what's needed from a car battery. |
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Quoted:
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You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You could do it with a lot less power than what's needed from a car battery. If you had specialized equipment maybe. Ever try to run a laptop 24x7 on a car battery and power invertor? I have. The marine trolling motor battery didn't even last 24 hours and it is designed for long periods of constant low power draw. |
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If you had specialized equipment maybe. Ever try to run a laptop 24x7 on a car battery and power invertor? I have. The marine trolling motor battery didn't even last 24 hours and it is designed for long periods of constant low power draw.[/quote] Likely the INVERTER was drawing 8 or 9 times the net power required by the Laptop. Running a DC powered device from a switching AC power supply, in turn powered from a Dc to AC power inverter is far from an ideal use of stored battery power. Likely less than 5 % efficiency overall. |
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Quoted:
You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You can get cameras that record directly to a memory card, cheap. Recording to a laptop would be stupid. |
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Quoted: Quoted: You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You can get cameras that record directly to a memory card, cheap. Recording to a laptop would be stupid. How you going to process the video to enable the motion detection the OP talked about. Not to mention a memory card gives you hours of storage, not days like the OP wants. |
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Quoted:
Quoted:
Quoted:
You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You can get cameras that record directly to a memory card, cheap. Recording to a laptop would be stupid. How you going to process the video to enable the motion detection the OP talked about. Not to mention a memory card gives you hours of storage, not days like the OP wants. Shouldn't be too bad. I'm not talking about a redneck nerd contraption consisting of a laptop and a few webcams, I'm considering purpose-built custom electronics and software that utilize low-power components with the goals including long battery life, compact size and surveillance capabilities with intent of acting as a deterrent to interpersonal criminal activity. |
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Quoted: Quoted: Quoted: Quoted: You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You can get cameras that record directly to a memory card, cheap. Recording to a laptop would be stupid. How you going to process the video to enable the motion detection the OP talked about. Not to mention a memory card gives you hours of storage, not days like the OP wants. Shouldn't be too bad. I'm not talking about a redneck nerd contraption consisting of a laptop and a few webcams, I'm considering purpose-built custom electronics and software that utilize low-power components with the goals including long battery life, compact size and surveillance capabilities with intent of acting as a deterrent to interpersonal criminal activity. That would be great if you could put something like that together and have it affordable. Good cameras start at about $100. Cheap 4 channel DVRs start at a little over $200. Decent camera - $97.49 http://www.mcmelectronics.com/product/SPECO-CVC700HRSCS-/82-13054
Decent camera - $92.99 http://www.mcmelectronics.com/product/DEFENDER-SECURITY-82-12836-/82-12836 Decent camera - $97.49 http://www.mcmelectronics.com/product/SPECO-CVC770PHSCS-/82-13055
4 channel DVR - $217 http://www.mcmelectronics.com/product/DEFENDER-SECURITY-82-13080-/82-13080
Specifications:
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Quoted: Quoted: Quoted: You would need a dvr system or a computer system in the car to record it all. That would require at least one additional battery to run that equipment. Everything you said would be do able and could be done with a laptop and standard video camera. There is better equipement out there but that would get you started. You can get cameras that record directly to a memory card, cheap. Recording to a laptop would be stupid. How you going to process the video to enable the motion detection the OP talked about. Not to mention a memory card gives you hours of storage, not days like the OP wants. I have one of those keychain DVR cameras, and it's sound activated instead of motion activated. You turn on the sound activation feature by holding down the power button for a few seconds. If it's in an otherwise quiet interior space and recording intermittently, a 16GB MicroSD card should give you all the recording time you need for a few days. |