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#1
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Rear back-up cameras mandated in new cars
On 2018-06-12 12:17, Whisky-dave wrote:
On Sunday, 10 June 2018 00:49:57 UTC+1, Eric Stevens wrote: On Sat, 09 Jun 2018 17:23:25 -0400, nospam wrote: In article , Diesel wrote: I just don't get it. If I can do that with larger vehicles using mirrors only, why can't you? You can't get in any worse of a tight spot that I've been with some of these. I made a trip by rented bus about a year ago. When the driver started backing to park the bus people asked if he needed someone to help. He said: no thanks, I have a rear view camera. He was a professional driver with many years of experience, yet he was very happy to have such a camera. A commercial passenger bus isn't anything like a normal passenger car/truck though. Something as tall and long as those typically tend to be can benefit from a rear view camera to a point, certainly. That being said, a normal passenger car/truck has mirrors which should be more than adequate for the purposes of safe navigation. Additional technology isn't going to be able to compensate for bad drivers. cars have rear windows, as do many trucks. mirrors are useful if there isn't a rear window. I used to drive a truck for a living. A real truck that is. When backing into tricky places. loading docks etc, I used to open the cab door and get out onto the running board from which position I would steer. Although I had checked that the space behind was clear before I started to back in, I had absolutely no idea of what might be happening behind me once I started in reverse. The same things apply to the blind spots behind cars. The driver may have checked whether or not the space behind is clear but once they are in the car they can have no idea of what might have moved in. This is how a significant number of children and infants are killed every year. There need be no fault on the part of the driver. There is no question of whether or not 'they should have seen'. The plain facts are that no one could have seen and this is why reversing cameras are such a great device. It is incidental that they can also avoid the need for a swivel neck when viewing areas behind the vehicle which are visible when looking through the rear window. The big advantage of a reversing camera is that you might not even have to look at the image as you could have distance sensors installed which would be much more useful than a reversing camera. They are fine to have, but will not tell about a dog or baby in there. Nor will the mirrors. Also, some sensors may miss a vertical bar that happens to be low (so not seen from mirror) and narrow, so escapes between two sensors. -- Cheers, Carlos. |
#2
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Rear back-up cameras mandated in new cars
On 2018-06-15 13:03, Whisky-dave wrote:
On Friday, 15 June 2018 10:16:12 UTC+1, Carlos E.R. wrote: On 2018-06-12 12:17, Whisky-dave wrote: On Sunday, 10 June 2018 00:49:57 UTC+1, Eric Stevens wrote: On Sat, 09 Jun 2018 17:23:25 -0400, nospam wrote: In article , Diesel wrote: I just don't get it. If I can do that with larger vehicles using mirrors only, why can't you? You can't get in any worse of a tight spot that I've been with some of these. I made a trip by rented bus about a year ago. When the driver started backing to park the bus people asked if he needed someone to help. He said: no thanks, I have a rear view camera. He was a professional driver with many years of experience, yet he was very happy to have such a camera. A commercial passenger bus isn't anything like a normal passenger car/truck though. Something as tall and long as those typically tend to be can benefit from a rear view camera to a point, certainly. That being said, a normal passenger car/truck has mirrors which should be more than adequate for the purposes of safe navigation. Additional technology isn't going to be able to compensate for bad drivers. cars have rear windows, as do many trucks. mirrors are useful if there isn't a rear window. I used to drive a truck for a living. A real truck that is. When backing into tricky places. loading docks etc, I used to open the cab door and get out onto the running board from which position I would steer. Although I had checked that the space behind was clear before I started to back in, I had absolutely no idea of what might be happening behind me once I started in reverse. The same things apply to the blind spots behind cars. The driver may have checked whether or not the space behind is clear but once they are in the car they can have no idea of what might have moved in. This is how a significant number of children and infants are killed every year. There need be no fault on the part of the driver. There is no question of whether or not 'they should have seen'. The plain facts are that no one could have seen and this is why reversing cameras are such a great device. It is incidental that they can also avoid the need for a swivel neck when viewing areas behind the vehicle which are visible when looking through the rear window. The big advantage of a reversing camera is that you might not even have to look at the image as you could have distance sensors installed which would be much more useful than a reversing camera. They are fine to have, but will not tell about a dog or baby in there. Where is the there ? Reversing cameras aren't normally inside the car, and their aim isn't to detect things inside the car. I said nothing about inside the car. Nor will the mirrors. I always though (unless you're doing your makeup or shaving ...) that the mirros are for viewing what is going on outside yuor car NOT inside it. I said nothing about inside the car. Also, some sensors may miss a vertical bar that happens to be low (so not seen from mirror) and narrow, so escapes between two sensors. Yes humans have blind spots and so can cameras and mirrors, such things can be designed out or accounted for. Exactly, the cameras allow viewing in the mirrors blind spots. Progress. We are not in the XX century anymore. -- Cheers, Carlos. |
#3
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Rear back-up cameras mandated in new cars
On 2018-06-18 10:56, Whisky-dave wrote:
On Saturday, 16 June 2018 00:08:08 UTC+1, Carlos E.R. wrote: On 2018-06-15 13:03, Whisky-dave wrote: On Friday, 15 June 2018 10:16:12 UTC+1, Carlos E.R. wrote: On 2018-06-12 12:17, Whisky-dave wrote: On Sunday, 10 June 2018 00:49:57 UTC+1, Eric Stevens wrote: On Sat, 09 Jun 2018 17:23:25 -0400, nospam wrote: In article , Diesel wrote: I just don't get it. If I can do that with larger vehicles using mirrors only, why can't you? You can't get in any worse of a tight spot that I've been with some of these. I made a trip by rented bus about a year ago. When the driver started backing to park the bus people asked if he needed someone to help. He said: no thanks, I have a rear view camera. He was a professional driver with many years of experience, yet he was very happy to have such a camera. A commercial passenger bus isn't anything like a normal passenger car/truck though. Something as tall and long as those typically tend to be can benefit from a rear view camera to a point, certainly. That being said, a normal passenger car/truck has mirrors which should be more than adequate for the purposes of safe navigation. Additional technology isn't going to be able to compensate for bad drivers. cars have rear windows, as do many trucks. mirrors are useful if there isn't a rear window. I used to drive a truck for a living. A real truck that is. When backing into tricky places. loading docks etc, I used to open the cab door and get out onto the running board from which position I would steer. Although I had checked that the space behind was clear before I started to back in, I had absolutely no idea of what might be happening behind me once I started in reverse. The same things apply to the blind spots behind cars. The driver may have checked whether or not the space behind is clear but once they are in the car they can have no idea of what might have moved in. This is how a significant number of children and infants are killed every year. There need be no fault on the part of the driver. There is no question of whether or not 'they should have seen'. The plain facts are that no one could have seen and this is why reversing cameras are such a great device. It is incidental that they can also avoid the need for a swivel neck when viewing areas behind the vehicle which are visible when looking through the rear window. The big advantage of a reversing camera is that you might not even have to look at the image as you could have distance sensors installed which would be much more useful than a reversing camera. They are fine to have, but will not tell about a dog or baby in there. Where is the there ? Reversing cameras aren't normally inside the car, and their aim isn't to detect things inside the car. I said nothing about inside the car. So what did you mean by "but will not tell about a dog or baby in there" ? Where is the in there ?, in the river in the sky is the toilet ? Behind the vehicle in the area not seen by any of the mirrors. Like a toddler crawling just behind the rear wheels. -- Cheers, Carlos. |
#4
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Rear back-up cameras mandated in new cars
In article ,
Whisky-dave wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. |
#5
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Rear back-up cameras mandated in new cars
In article ,
Whisky-dave wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. There's nothing stoping you from wearing a blindfold in a car, provided your not driving at the same time, well that's UK law anyway. the issue is drivers, who need to be able to see everywhere around a vehicle before proceeding. if they can't see where they're going, they should not be driving. |
#6
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Rear back-up cameras mandated in new cars
On Wed, 20 Jun 2018 08:31:55 -0400, nospam
wrote: In article , Whisky-dave wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. There's nothing stoping you from wearing a blindfold in a car, provided your not driving at the same time, well that's UK law anyway. the issue is drivers, who need to be able to see everywhere around a vehicle before proceeding. if they can't see where they're going, they should not be driving. Nevertheless there are always blind spots. Sere http://www.dsource.in/course/basic-e...al-obstruction or https://tinyurl.com/yabcu3ls "Visual Field and Visual Obstruction" -- Regards, Eric Stevens |
#7
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Rear back-up cameras mandated in new cars
In article , Eric Stevens
wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. There's nothing stoping you from wearing a blindfold in a car, provided your not driving at the same time, well that's UK law anyway. the issue is drivers, who need to be able to see everywhere around a vehicle before proceeding. if they can't see where they're going, they should not be driving. Nevertheless there are always blind spots. which is why a driver must turn their head. Sere http://www.dsource.in/course/basic-e...module-2/visua l-field-and-visual-obstruction or https://tinyurl.com/yabcu3ls "Visual Field and Visual Obstruction" Driver can turn both eyes and head to gain a wider field of view, and moreover can make use of peripheral vision to see objects or movements even without turning eyes. yep, although the translation is not very good. |
#8
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Rear back-up cameras mandated in new cars
On 2018-06-21 06:40, nospam wrote:
In article , Eric Stevens wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. There's nothing stoping you from wearing a blindfold in a car, provided your not driving at the same time, well that's UK law anyway. the issue is drivers, who need to be able to see everywhere around a vehicle before proceeding. if they can't see where they're going, they should not be driving. Nevertheless there are always blind spots. which is why a driver must turn their head. Or have cameras covering the full rear and sides and display them in a suitable view on the dash or so. :-) -- Cheers, Carlos. |
#9
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Rear back-up cameras mandated in new cars
In article ,
Whisky-dave wrote: Nevertheless there are always blind spots. which is why a driver must turn their head. But what if your head is restricted from turning by a seat belt as after all aseat belt isnlt designed to make it easy to turn your head, which is why in the UK if you do need to turn your head and the seat belt obstructs you, you are allowed to remove it and drive, otherwose there wouldn;t be that stated in the UKs highway code. seat belts do not restrict turning one's head. they restrict forward motion when tensioned *after* a crash. |
#10
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Rear back-up cameras mandated in new cars
In article , Carlos E.R.
wrote: There's isn't a legal requirement for anyone to see everywhere around a vehical. wear a blindfold, then tell the cop it's legal. There's nothing stoping you from wearing a blindfold in a car, provided your not driving at the same time, well that's UK law anyway. the issue is drivers, who need to be able to see everywhere around a vehicle before proceeding. if they can't see where they're going, they should not be driving. Nevertheless there are always blind spots. which is why a driver must turn their head. Or have cameras covering the full rear and sides and display them in a suitable view on the dash or so. :-) not as effective nor as safe, for reasons already discussed. good luck trying to determine depth on small 2d display, or being able to use it at all if the camera has dirt on it or the lens is cracked. |
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