IIRC the FAA used a lot of these!! Airport radars. Ira.
On 5/30/2022 3:17 AM, 'Nick' via neonixie-l wrote:
I also believe that they were used for text on RADAR displays.
There were a lot of variants of the CK1414 - the suffix specifies the
mask in the tube - it's the mask that determines what characters the
tube can generate.
I have two types here - CK1414-07 (Brimar) & CK1414F10C (Raytheon) -
they generate different characters.
Some larger users had custom masks made for specific applications
(e.g. RADAR screen symbols).
Nick
On Thursday, 12 May 2022 at 22:43:52 UTC+1 Jens Boos wrote:
This is so cool! Thanks for sharing, much appreciated!
Best wishes
Jens
On 2022-05-12 12:06 p.m., Toby Thain wrote:
> On 2022-05-12 11:41 a.m., Adrian Godwin wrote:
>> So it's a thermionic character-generator ROM ?
>>
>
> TubeTimeUS, who for all I know is on this list, has blogged in
detail
> about these:
>
> http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/
>
> https://twitter.com/TubeTimeUS/status/1002324117226287104
>
> I own a handful of these tubes so I'm keen to recapitulate their
work.
>
> --Toby
>
>
>
>> On Thu, May 12, 2022 at 4:31 PM Nicholas Stock <nick...@gmail.com
>> <mailto:nick...@gmail.com>> wrote:
>>
>> It's a 'monoscope'....reads off letters on the end plate...
>>
>> http://ed-thelen.org/comp-hist/CK1414.pdf
>> <http://ed-thelen.org/comp-hist/CK1414.pdf>
>>
>> On Thu, May 12, 2022 at 8:27 AM jb-electronics
>> <webm...@jb-electronics.de <mailto:webm...@jb-electronics.de>>
>> wrote:
>>
>> I should probably know, but how does this generate the
>> characters, and
>> where can I read them off?
>>
>> https://www.ebay.com/itm/354047743434
>> <https://www.ebay.com/itm/354047743434>
>>
>> Cheers
>> Jens
>>
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