[Tig] mistake in wikipedia?

[Graham Collett]

I would say they were not flying spot telecine then ... Cintel Mk2's
(7's and 8's come to that) were flying spot and transmitted to air for a
lot of people. .. RCA had the market tied up in the US and they were the
projector/camera type job's. I don't know of any earlier flying spots.
Tk27/28's  ... Mr Google says that RCA had a tk20 in the 40's that was
an Iconoscope model and only b/w  .. I bet that's a fancy word for a
tube camera. 


Graham Collett
Sprockets(telecine) Ltd
www.sprockets-telecine.co.uk
 


-----Original Message-----
From: tig-bounces at tig.colorist.org [mailto:tig-bounces at tig.colorist.org]
On Behalf Of Dick Hobbs
Sent: 14 July 2007 17:00
To: TIG Group
Subject: Re: [Tig] mistake in wikipedia?


Thanks to Egil Ljostad and NRK for support in 2007. 
TIG portal: http://tig.colorist.org/wiki3
2007: 15th year of the TIG.
 ====

Kevin is right to say that flying spot telecines were around a lot  
earlier than the first broadcasts. Peter Swinson will give us the  
detail of the history, no doubt, but it is a weekend so he will be on  
his boat somewhere on the waterways of eastern England.

The first person to demonstrate television was John Logie Baird, a  
rather eccentric Scottish inventor working in London. He cracked the  
idea of an analogue signal and a CRT display but could not work out  
how to make a camera. One of his systems used a mechanical revolving  
disk with a spiral of holes in front of a photo-electric cell.

Another of his systems involved a film camera feeding straight into a  
processing bath and into a flying spot telecine, giving a time of  
around one minute for "realtime" live broadcasting. One of the  
limitations of this technology was that there was no way of drying  
the film quickly enough, so the scanning end of the system - high  
voltage, high brightness CRT and all - was immersed in the wash tank.  
This would have been late 20s, early 30s, I guess.

Dick



***************************

Dick Hobbs
Consultant and writer on television and film technology
+44 1435 830988
Skype DickHobbs
dick at hobbsonline.tv




*****************************************************************
This email has been checked by the altohiway Mailcontroller Service
*****************************************************************

_______________________________________________
No personal abuse; absolutely no advertising or marketing on the main
TIG mailinglist.  Emergency tig contact address is rob (at) calarts.edu
Tig mailing list Tig at tig.colorist.org
http://tig.colorist.org/mailman/listinfo/tig