[time-nuts] Non electrical time-nuttery

Max Robinson max at maxsmusicplace.com
Sun Jan 10 05:20:10 UTC 2010


Don't forget about fluidic amplifiers.  In 1968 an older engineer at 
Huntsville told me to forget about transistors.  They would soon be replaced 
by fluidics.  I wonder how much longer it is going to take.

Regards.

Max.  K 4 O D S.

Email: max at maxsmusicplace.com

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----- Original Message ----- 
From: "J. Forster" <jfor at quik.com>
To: "Neville Michie" <namichie at gmail.com>
Cc: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Saturday, January 09, 2010 5:59 PM
Subject: Re: [time-nuts] Non electrical time-nuttery


>I don't think MagAmps were much used for logic, but Di-an made a family of
> core logic that would certainly work for the counters in a clock.
>
> -John
>
> =============
>
>
>> No one has remembered the magnetic amplifiers (C1960) that were
>> considered reliable enough for control avionics.
>> Vacuum tubes and semiconductors were not considered reliable.
>>
>> Back to the IC-less clock, I recently constructed a LED clock for a
>> TBolt.
>> To avoid the flicker effects and to get control of the LED intensity
>> I used BCD counters and
>> transistor drivers without multiplexing. BCD to hexadecimal was
>> arranged with diode decoding.
>> It looks half as big as the IC-less clock board with row after row of
>> transistors and resistors.
>> At least it will always show the correct time in a photograph.
>>
>>
>> cheers, Neville Michie
>>
>>
>
>
>
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