CCTV Camera at rear of Van

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JohnI.Stephen

Aug 31, 2005
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I wanted to re-submit this question in a more specific way from my previous 'Web cam' thread.

I want to fit a weatherproof CCTV 12v camera to the rear of my Bailey Senator; and have this wirelessly transmit to a small monitor which I would like to clip over the current rear view mirror. I don't care whether this is B&W or Colour.

What I have leant so far is that :-

- the field of view should be now more than 40 degrees; I need to see the vehicles at a size that approximates what I would see through the rear view mirror

-the camera must not only be both water and weather proof it must be sturdy to withstand the bumps and shakes of a journey.

-It has to be very reliable as it'll be 'on' for hours at a time

-Not overly concerned about its night vision performance (as I don't tow at night)

I am willing to spend up to £150 or so to get the right gear. Those sold on ebay from Hong Kong appear to be for reversing; and are thus very wide angle (e.g. 110 degree field of view)

Can anyone who has actually done this type of enhancement and uses such kit, please advise me on what I should buy and from where?

Thanks

John
 
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WatsonJohnG

Mar 14, 2005
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John,I thought that we had discussed this at length on here and by E-mail.

The system I told you about is now installed on the back of the caravan and the field of view is ideal.

I have a join in the AV lead by the TV in the van and on site I can plug into the Tv and select AV on the TV to see what's going on behind the van as well as using it for rear view on the road.

The cheaper round cameras are quite reliable .I used one for continuos rear view all last season but the picture although adequate is not as good as with the rectangular camera I told you about.
 
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cris_408518

Dec 16, 2003
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Sorry to but in again guys, but it seems JohnI wants something that no one makes off the shelf. If you want wireles Maplins do 2.4 gig and camera that work off 12 volt or you should easily get power stepped down from 12 volt.

You can buy camera board and they sell different lens for different angle of view etc. These type systems can easliy fit on to radio controlled model planes, so vibration and waterproofing on a caravan should be simple and they transmit back to the ground so a caravan should be easy.

Ex Caravanning friend in electronics business emailed saying, build your self is most likely option. Talk to someone in Maplins who knows about cameras and lens. If you are still stuck and no one else can help and JGW's setup is not an option try looking around the Aerial photo and model planes options on your internet search bars.

What you want is fairly easy and cheap and are put to use on over 200 mph high speed objects used in all weathers with no problem transmitting over 7 miles!
 
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WatsonJohnG

Mar 14, 2005
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Hi Chris that's fascinating

I hadn't read the later postings on the other thread(too busy fitting the camera and other mods to the Oklahoma!) but the field of view from the "reversing cameras" is near on perfect for permanent rear view.

You can see 3 lanes on the motorway but thats about the spread so for these purposes they are ideal.

The option of wireless transmission is one I have not tried as I was concerned that there might be interference from power cable etc. Perhaps another time!!
 
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cris_408518

Dec 16, 2003
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Hi Chris that's fascinating

I hadn't read the later postings on the other thread(too busy fitting the camera and other mods to the Oklahoma!) but the field of view from the "reversing cameras" is near on perfect for permanent rear view.

You can see 3 lanes on the motorway but thats about the spread so for these purposes they are ideal.

The option of wireless transmission is one I have not tried as I was concerned that there might be interference from power cable etc. Perhaps another time!!
Click to expand...
At times I work with some interesting people with wide experience in electronics, and film camera and computers.

Some very profesional operations use some off the shelf equipment suited to fairly one off operations but these guys play around to get what they want and are not keen to pass on help to others as it is there living in niche markets.

Some high profile work I know of has been done with some very basic equipment and simple techniques such as eliminating problems of vibration, fixing and waterproofing and space by using a tiny camera covered in a silicon mastic and fitted to aircraft and cars used at high speed and for many hours day in day out.
 
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JohnI.Stephen

Aug 31, 2005
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Many thanks; no I hadn't forgotten G Watson's helpful emails, but my requireemnts have somewhat changed e.g. wireless and 40 degree angle of view. I can certainly contact Maplin and I can certainly seek to put the kit together; I was just hoping soem one had already been there.

John G; you are not wireelss and I can easily route the cable from the back to the dining area in the front and then have a wireless transmitter beaming to my monitor sitting on my dash.

Still seeking a small thin monitor that'll clip over my current rear view mirror ... however

John
 
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cris_408518

Dec 16, 2003
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John & John check out the following site, a pro film contact just sent me the link. The videos look good on the site and theses guys are Cornish ( bound to be OK ) based so give them a call.

Obviously you know your needs, but these could be the people to sort you out or point you in the right direction.

Let me know ho you get on!!

www.dogcamsport.co.uk/contact.htm
 
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eriskay

Mar 14, 2005
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Hi John You can get interior mirror with build in screen check out ( www. tgincar.com ) may be what you are looking for.
 
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JohnI.Stephen

Aug 31, 2005
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Am much closer to a result, having ordered and tested the following :-

4" colour TFT screen (12v)

Colour weatherproof camera (12v)

Wireless trasnmitter / receiver operating at around 1.2GHz

I am having significant help (via email) from John Glassey (this forum)as wiring up the units to feed off the 12S supply to the fridge is more of a challenge than expected.

Siting the monitor is a challenge too as my Garmin SatNav occupies the only obvious location on top of the dash board !
 
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WatsonJohnG

Mar 14, 2005
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Am much closer to a result, having ordered and tested the following :-

4" colour TFT screen (12v)

Colour weatherproof camera (12v)

Wireless trasnmitter / receiver operating at around 1.2GHz

I am having significant help (via email) from John Glassey (this forum)as wiring up the units to feed off the 12S supply to the fridge is more of a challenge than expected.

Siting the monitor is a challenge too as my Garmin SatNav occupies the only obvious location on top of the dash board !
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Your welcome John.

We are away for the next week(maiden voyage) so good luck
 
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cris_408518

Dec 16, 2003
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Nice one John! was only talking about this a day a so back.

What camera and monitor etc, and where did you purchase if you don't mind!
 
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JohnI.Stephen

Aug 31, 2005
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Cris :

This is what I bought off a single supplier on ebay; a good man in UK by the name of Chris email = patrick19451@msn.com

This is his advert on ebay. I have yet to get it wll wired up but I have tested the components and they seem to work well. Certainly the field of view from the caravan looks impressive. It's just where to site the monitor that'll be a challeng; may have to move the satnav !

_______________________________________________________________

An Ideal Motoring Aid especially if you are towing a caravan or trailer

This purpose designed colour video camera can be easily fitted into your bumper bar or through the bodywork (even on a curved section due to it's clever 'moulding' design) and provides a reversed colour video image clearly showing the area immediately behind your vehicle (or trailer, Caravan etc) - the image you see is the same as if you were looking into your mirror

To fit the camera to your vehicle simply requires a hole approximately 7/8" diameter drilling through the bumper bar or body panel in the required location. The camera is secured in position by a double locking nut and can be adjusted by the cleverly designed flange to permit it's fitting on a curved surface.

Once the camera has been fitted simply connect the camera to the 12V DC power supply from your car battery and connect the camera to your receiver by means of a RCA video cable*.

The camera is completely weatherproof and is frostproof down to -20 Centigrade

Specifications

TV System: Pal or NTSC

Image Sensor: OV 1/3" colour CMOS

Resolution: 420 Lines

Min Illumination: 2 Lux

Lens: 6mm

Operating Temperatures: -20C to +50C

Power Supply: 12V DC - 200ma

Dimension: 25mm x 54mm

An Optional 4" TFT Monitor suitable for dashboard mounting is also available in my Ebay shop.
 
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JohnI.Stephen

Aug 31, 2005
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All :

It's taken a while but we are almost there. I have had the CCTV camera fitted by my local caravan dealer and he has placed it at approx waist height smack in the middle of the 'BAILEY' emblem at the rear of the Senator. We have so far only tested the unit whilst stationery and tomorrow I shall take it home. The video cable is routed to the front of the caravan and from there beams its signal via a 1.2GHz transmitter which is received in teh car via a similar receiver; which then feeds into a small LCD colour monitor.

Despite being located only at waister height, such is the wide angle of the CCTV camera that a large caravan immediatelty behind my Senator was visible top to bottom, so I am opretty confident that with normal traffic I should be able to have a VERY clear view of all the traffic behind.

I shall report back soon but meanwhile didn't want to keep you waiting a moment longer for an update !!

John
 
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PaulT

Jun 24, 2005
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Did you get the transmitter / receiver and monitor from the same source?

Do you think using the infra red variety that he now has for sale would have advantages?
 
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WatsonJohnG

Mar 14, 2005
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I had an E-mail from John and things were not resolved but I will let him tell the story himself.

I was talking to some guys in France with motor homes using the "wireless" transmitter type and as I suspected interference is a problem.This is why I opted for hard wiring all the way and have had no such problems.

One guy said that he could watch himself driving through a town as the CCTV cameras were being received by his monitor !!

I have the camera with the led and the night vision is amazing.

As stated before on site I can plug into the van Tv and see what's going on behind the van .

This was usefull on the embarkation car paark at Roscoff last week when some things went bump in the night !!
 
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