Michael J. Mahon wrote:
> Bill Garber wrote:
>>
>> "Jerry"  wrote in message 
>> news:m363mt5zna.fsf{at}yahoo.ca...
>>> mojoehand  writes:
>>>
>>>> Jerry Penner, I wanted to thank you for the information you emailed,
>>>> but my reply bounced. It seems that Yahoo is being too agressive in
>>>> its spam filtering.
>>>
>>> Must be.  There was no message in my spam folder at all, which is the
>>> usual case.
>>>
>>> I would have put the patent document online, but I don't have a
>>> web-site right now.
>>>
>>> For others who are interested, the patent is US# 4,631,692, and can be
>>> found at uspto.gov.
>>
>>
>> I went there, and searched it, and the only info available was that it 
>> had expired on December 23, 1998. I couldn't actually find the Patent 
>> there.
> 
> Go to:  http://patft.uspto.gov/
> 
> and select Patent Number Search, then enter 4631692 and you'll see
> the patent.  It describes a 4-bit shift register implementation,
> where the shift register is clocked at 14.3MHz--the classic 16-color
> implementation.

I see Jerry made an equivalent suggestion.  ;-)

 From the patent description, it seems that AN3 and /80COL need to be
made available to the card to do mode selection.  (I wonder why the
/DEVSEL space wasn't used for this function?)

-michael

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