RCA Engineer Loren Jones on mechanical television – TelevisionAcademy.com/Interviews

RCA Engineer Loren Jones on mechanical television – TelevisionAcademy.com/Interviews


it involves a disc called a nip callow
disc which is rotating in a high speed and therefore impractical right away for
use in the home causes the spot sunlight to pass across the image of the person’s
body or his face and a television photo to picks up that signal and turns it
into a signal which can be transmitted across the air and then with a similar
approach at the other end can reproduce back into a picture it’s not highly
satisfactory it’s not very good in definition
it tends to be noisy altogether it has the disadvantages of a mechanical system
so it would the receiver and the transmitter both have revolving disc
yes which rotate at the same speed yes how large would the picture be on the
receiver well the first one I saw was a GE in 1927 the picture was 2 inches by 2
inches it’s very hard to tell what it was depicting was there a color tint to
the picture a green color because that was the color of a phosphor that one
could put onto a cathode ray tube which is easiest to do so green was used and
how would sound would be broadcast with this system just my standard sound means
getting totally separate channel and broadcast in the normal way and what
were they broadcasting up in the labs air what would they show well they’d
show a man smoking a cigarette to show the motion of the smoke things of that
sort nothing very spectacular did you think
this was the future of the world this mechanicals no no it didn’t seem
practical meanwhile dr. Rosen over in Russia back in the early 1900’s Esper
had proposed there would be none by electronic means with cathode ray which
are in fact not impractical at the time no one could make a tube to do what his
patent Cola for but he got the patent on electronic television and people who
studied and Tiffany doctors work and saw that that is the future nothing
scanner and he spent his life or he’ll developed developing electronic means of
accomplishing television today’s broadcast I believe her 525 lines yes
what was the optimal amount of lines you could see on a mechanical system
well the optimal number thing they could they could produce that never was enough
nine I don’t know they make out of the got it maybe as high as 50 lines but
that’s not a very good picture so it would be mere shadows would you say well
in a way when you’re showing a great big object or some finer thing that requires
more detail was Alexander s’en proud of his system yes he was he was very
disappointed but I’ve never gotten to use I’m sure he later agreed when he saw
the problem was made with cathode ray on electronic television was pleased well
his system was not the one to win out nonetheless do you feel that dr.
Alexander s’en played an important role in the development of television oh yeah
he was that he was a very top scientist his ideas on how to pick up the light
and how to develop more sensitive cells to pick up the light which was shine
through the disk that sort of thing he was a leader and he contributed a bit
radio

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