identification request :unknown edge lite displays

[Bogdan Paduraru]

hello gents

could you please help me identify below displays ? from the left ?

I did not find anything similar on the web and I have no idea from where they have been pulled:

They look rather very interesting compared to other types : they have right decimal point and some sort of right separator
Thank you

[GCNige]

Similar displays are used in the Canon Canola 130S desktop calculator from the late 1960s, described at http://vintagecalculators.com/html/canon_canola_130s.html 

Regards,

Nigel

[Bogdan Paduraru]

Thank you very much Nigel !

It looks like they have been in that type of calculator as I have found only 7 of them , for sure the previous owner used 6 for some clock => I will do the same with mine very soon

[Dave ZL3FJ]

KGM made a number of these types of edge lit displays- I first came across them in an old General Radio piece of equipment. Google for ‘KGM’ and ‘edge lit’

DaveB, NZ

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[Richard Nicewonger]

Hello,

I have a big old General Radio automatic capacitance bridge that uses these type of displays plus some that display special characters.

I’ve been looking for some circuits/plans to make a clock with these. When you finish your clock project could you post your design plans?

Thank you very much.

Rich

 

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[liam bartosiewicz]

I made a clock using some IEE one-plane readouts a while back, I’d suggest using a bunch of high-power shift registers like TPIC6B595s. Both displays use small incandescent bulbs, so I figure this would work for edge-lit displays as well.

On May 10, 2022, at 10:04 AM, Richard Nicewonger <nice...@optonline.net> wrote:

Hello,

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