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Post by Deleted on Dec 8, 2011 8:55:38 GMT
I notice the Piccadilly trains have a type of display which resembles the platform clocks - not a dot matrix but with a number of individual segments seemingly lit from behind.
It was only when I noticed a platform clock of this type which appeared to have no working light and just showed the shapes changing every second that I began to wonder how this actually works. Some of the segments appear to accomodate a number of triangular or curved shapes and when you see the clocks you notice how smoothly and quickly they flip from one digit to the next.
Can anyone provide the name of the type of display/technology or the manufacturer? I am very curious to know how old this type of display is and how it manages to flip so quickly.
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Post by Deleted on Dec 8, 2011 9:32:43 GMT
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Post by Deleted on Dec 8, 2011 9:37:13 GMT
Chilterns, Network Turbo's had these displays inside until refurbishment, and First Great Westerns had them up until atleast a year ago, some may still have them for all I know
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metman
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Post by metman on Dec 8, 2011 10:41:37 GMT
I wonder if the 73ts will have them changed if they have another 8-10 years left in them? I'm personally not a fan of these.
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Post by jmm on Dec 8, 2011 12:56:21 GMT
Is it the same style as 95TS?
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Deleted
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Post by Deleted on Dec 8, 2011 14:58:26 GMT
Yes, I think
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Post by Deleted on Dec 9, 2011 9:27:18 GMT
Thank you so much bengley!
So they are transflective LCD with a backlight after all, it seems.
It's just surprising that although the 15 matrix segments break down into specific patterns, when a segment is a full block you cannot see the underlying triangular or curved pattern.
I personally think they are pretty clear & look good.
Curious to know what did you not like about them, metman?
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Post by 1018509 on Dec 10, 2011 19:39:04 GMT
Weird things these and so easy to maintain not.
Only 14 screws to undo before you can get the back panel off.
Also they are never off. The fluorescent tube that is, unless the train is not on juice. Apparently it is cheaper to change a lighting tube occasionally and bear the additional cost of electricity, than to have the expense of switchgear and maintenance costs.
Even if the display is black the light inside is on unless the tube itself has failed.
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Post by 1018509 on Dec 10, 2011 19:40:29 GMT
Deleted. Double post caused by Ddos attack on ProBoards servers at 19:40.
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Deleted
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Post by Deleted on Dec 10, 2011 22:56:30 GMT
What is a Ddos attack?
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Post by norbitonflyer on Dec 10, 2011 23:24:47 GMT
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cso
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Post by cso on Dec 10, 2011 23:52:04 GMT
[OT]DDOS is usually Distributed Denial of Service (ie. attacks from many hosts).[/OT]
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Deleted
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Post by Deleted on Dec 11, 2011 10:38:24 GMT
Ahh thanks for letting me know, now back to the original subject I think
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Post by 1018509 on Dec 12, 2011 22:19:46 GMT
The Ddos attack on ProBords generally not District Dave in particular. It occured while you lot were painting the town red and whooping it up at NPK. ;D
Posting became very slow or didn't happen.
Sorted now obviously
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Post by superteacher on Dec 22, 2011 15:05:55 GMT
On the subject of 73 stock destination displays, were the pre-refurb displays motorised?
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Post by charleyfarley on Dec 22, 2011 16:51:27 GMT
I find the front of Central Line trains very hard to read. What type of display is it?
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Post by chrisvandenkieboom on Dec 22, 2011 17:16:18 GMT
If I see it on YouTube/videos, it kinda looks like a CRT display, but those are way too bulky, but then again, it's a train from the early 1990s.
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Post by rsdworker on Dec 22, 2011 17:49:41 GMT
its more simllar to early days dot matrix screens i think - those installed in 1993 or later - unlike later ones eg: s stock and 2009 stock and 1996/1995 stocks and others
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Post by Dstock7080 on Dec 22, 2011 19:00:23 GMT
On the subject of 73 stock destination displays, were the pre-refurb displays motorised? Yes, the roller blinds were motorised on '73s and '83s but (of course!) manually wound on D Stock ! |
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Post by 1018509 on Dec 22, 2011 19:10:19 GMT
Pre refurb 73 stock destination blinds at delivery were hand wound with destination blind boxes from the middle cabs of the Victoria line 1967 stock.
When the motorised blinds arrived they were a pain from day one. As soon as the blind position reader became the slightest bit dusty the blind would usually wind off the roller and was a pain to refit especially in the moving cab of a train when belting along between Acton and Hammersmith
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Post by alfie on Dec 22, 2011 20:20:29 GMT
I find the front of Central Line trains very hard to read. What type of display is it? A dirty one. On the refurbs with nice red front ends they've cleaned em. Won't last long, I tell you. |
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Ben
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Post by Ben on Dec 22, 2011 21:48:29 GMT
Are the motorised blinds now used on buses (more) reliable? If so, what change in technology has enabled this?
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Post by Deleted on Dec 22, 2011 23:39:33 GMT
Dot Matrix displays imo are terrible, from a distance its just a bright orange mess! And even at close its a struggle to read compared to blinds. Blinds are just printed on with a backlight, which is far easier to read than some really bright LED's supposedly in the shape of some words!
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Post by superteacher on Dec 23, 2011 11:47:04 GMT
Dot Matrix displays imo are terrible, from a distance its just a bright orange mess! And even at close its a struggle to read compared to blinds. Blinds are just printed on with a backlight, which is far easier to read than some really bright LED's supposedly in the shape of some words! No chance of reading them in bright sunshine either! |
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SE13
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Post by SE13 on Dec 23, 2011 15:35:14 GMT
I've got a picture somewhere of a pre-refurb 73, will try and dig that out.
Dot matrix should now all be upper and lower case for ease of reading. It's all preference, you can please some of the people all of the time, all of the people some of the time, but never all of the people all of the time.
EDIT
Scrap that, the picture I reduced to avatar size, the original is on my computer at my old house.
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Post by chrisvandenkieboom on Dec 23, 2011 18:03:44 GMT
How many stations are there with J, P, Q or Y in the name?
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Phil
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Post by Phil on Dec 24, 2011 23:29:27 GMT
How many stations are there with J, P, Q or Y in the name? That's your Christmas Quiz Chris!!! Let us know by the new year. All you need is a map  |
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Phil
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Post by Phil on Dec 24, 2011 23:37:43 GMT
Back on topic, Dot matrix are useful in the sticks where one bus may swap between several depots; our bus DMIs have at least 400 destinations programmed in (by route of course!!) and if there is a special event, a few buses can easily have the program modded. You'd be surprised at what some jokers have left on one or two of our buses.......
But I agree that blinds are FAR easier to read than DMIs at any distance - but as for upper v lower case the jury's out. If the l/c was the same size as the upper they'd be much easier to pick out, but as R/T says above, they reduce the font so the leading capitals are the same as they were with all u/c, so the overall effect is rather small - - - which was another excuse reason for doing away with 'via' points on the buses!!!
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Post by pakenhamtrain on Dec 29, 2011 15:42:36 GMT
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