Re: [ql-users] QL scanner

2004-02-25 Thread Phoebus R. Dokos ( . )
On Wed, 25 Feb 2004 21:01:50 +, John Taylor 
[EMAIL PROTECTED] wrote:

Rick

Dennis Briggs tried to get the Quanta committee interested in his idea 
for a
QL scanner using a modified printer way back in the early 1990's.
Scanners then were very expensive but as the QL had very poor graphics in
those days it didn't take off.   The Nottingham group considered it too 
but
as it meant destroying an expensive printer, the idea was dropped.
Have you any idea who made yours?

John Taylor



Hehe Actually the scanner is mine :-) He just holds it for me :-)

Phoebus
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Re: [ql-users] QL scanner

2004-02-25 Thread Marcel Kilgus

John Taylor wrote:
 Dennis Briggs tried to get the Quanta committee interested in his idea for a
 QL scanner using a modified printer way back in the early 1990's.
 Scanners then were very expensive but as the QL had very poor graphics in
 those days it didn't take off.   The Nottingham group considered it too but
 as it meant destroying an expensive printer, the idea was dropped.
 Have you any idea who made yours?

Falkenberg sold such a scanner solution.

Marcel



Re: [ql-users] QL scanner

2004-02-25 Thread Jérôme Grimbert
Marcel Kilgus wrote:
John Taylor wrote:

Dennis Briggs tried to get the Quanta committee interested in his idea for a
QL scanner using a modified printer way back in the early 1990's.
Scanners then were very expensive but as the QL had very poor graphics in
those days it didn't take off.   The Nottingham group considered it too but
as it meant destroying an expensive printer, the idea was dropped.
Have you any idea who made yours?


Falkenberg sold such a scanner solution.
Right. And it did not destroy my Epson LX800: it was just a matter of 
replacing the print head with the scanner.
It was RedBlack scanner (the light source was a red light, the 
measurement of light was converted to the full 8 colours of the QL, as 
intensity, even if the value was all over the 0 to 255 range)

Synchronisation of the border, due to the printer buffering, was the 
most delicat part: if you had ink on the printer roll, it might 
compromise the software correction for the border alignement.




Re: [ql-users] QL scanner

2004-02-25 Thread Phoebus R. Dokos ( . )
On Thu, 26 Feb 2004 07:21:48 +0100, Jrme Grimbert 
[EMAIL PROTECTED] wrote:

Marcel Kilgus wrote:
John Taylor wrote:

Dennis Briggs tried to get the Quanta committee interested in his idea 
for a
QL scanner using a modified printer way back in the early 1990's.
Scanners then were very expensive but as the QL had very poor graphics 
in
those days it didn't take off.   The Nottingham group considered it 
too but
as it meant destroying an expensive printer, the idea was dropped.
Have you any idea who made yours?


Falkenberg sold such a scanner solution.
Right. And it did not destroy my Epson LX800: it was just a matter of 
replacing the print head with the scanner.
It was RedBlack scanner (the light source was a red light, the 
measurement of light was converted to the full 8 colours of the QL, as 
intensity, even if the value was all over the 0 to 255 range)

Synchronisation of the border, due to the printer buffering, was the 
most delicat part: if you had ink on the printer roll, it might 
compromise the software correction for the border alignement.


I also don't see why it wouldn't be easy to convert for use with an I2C 
powered stepper-motor setup as well (to eliminate the need for a dot 
matrix printer).

Phoebus

--
Visit the QL-FAQ at: http://www.dokos-gr.net/ql/faq/ (Still uploading 
stuff!)
Visit the uQLX-win32 homepage at: http://www.dokos-gr.net/ql/uqlx.html
Visit the uQLX-mac home page at:http://www.dokos-gr.net/ql/uqlxmac.html