[TechAssist] Re: technicial quary
- From: HSWAD@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 22 Feb 2002 22:33:39 EST
For Nipkow go to
WWW.library.thinkquest.org/26451/contents/inventors/nipkow.htm Hollis
In a message dated
2/22/02 10:28:33 PM Eastern Standard Time, geiting@xxxxxxxxxx writes:
<< Subj: [TechAssist] Re: technicial quary
Date: 2/22/02 10:28:33 PM Eastern Standard Time
From: geiting@xxxxxxxxxx (Jerry)
Sender: techassist-bounce@xxxxxxxxxxxxx
Reply-to: techassist@xxxxxxxxxxxxx
To: techassist@xxxxxxxxxxxxx
I believe this was the early 50's. As I know the story, the RCA system
(which is still in use, for awhile anyway) and the CBS/Columbia system
(synchronized color wheels) were both in contention for being the color TV
system in the US. A tech I used to work with when I first started in this
business, told me he had actually seen the color wheel system in operation,
and said it looked quite good, or course, this was on a small crt. Can you
imagine the size of the wheel required for a 36" set!
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of J Silverman
Sent: Friday, February 22, 2002 2:02 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: technicial quary
I think that was in the late 30s and the 40s. It was the same basic idea.
Send the R, G, B picture fields sequentially to the crt, with the wheel
synchronised to the video and let the brain integrate the colors. Had two
problems. First it didnt work with people that had no brain. Second, each
color filter had to be as big as the crt. Of course, in those days they
werent very big, but the wheel thing over all was big, and you had that
whoose whoose noise, like a Dutch windmill.
With the DLP units, the wheel is just a little bitty thing inside the
optical unit. Because it is small, the filters have been repeated around the
wheel to reduce the required motor speed.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "al.L" <al@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 22, 2002 2:14 AM
Subject: [TechAssist] Re: technicial quary
>
> Wasn't there a spinning wheel in the fifties? al
>
> alleathe@xxxxxxxxxxxxx
> Al Leatherman
> Mine Hill, NJ 07803
> 973-361-5796
> ----- Original Message -----
> From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, February 21, 2002 2:57 PM
> Subject: [TechAssist] Re: technicial quary
>
>
> >
> > There are alot more than just LCD, one has a spinning wheel believe it
> or
> > not and how about 100,000 little mirrors that flash on and off, to make
a
> > picture.
> > Phillip R Hull
> > phil245@xxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "al.L" <al@xxxxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, February 21, 2002 1:31 PM
> > Subject: [TechAssist] Re: technicial quary
> >
> >
> > >
> > > I assume cost is the only thing keeping LCD projectors out of
> > > pro jos today! Seems too simple,a projector in a box, could even make
it
> > > removable if you want to use a wall screen,could have rear pro jo wall
> > > screens.How about it people?How soon? al
> > >
> > > alleathe@xxxxxxxxxxxxx
> > > Al Leatherman
> > > Mine Hill, NJ 07803
> > > 973-361-5796
> > > ----- Original Message -----
> > > From: "Patrick Carroll" <patronics2003@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, February 21, 2002 11:18 AM
> > > Subject: [TechAssist] Re: technicial quary
> > >
> > >
> > > >
> > > >
> > > > Don't forget the future belongs to LCD. The CRT will no doubt go the
> way
> > > of
> > > > the electron tube.
> > > > Pat Carroll
> > > > patronics2003@xxxxxxxxxxx
> > > >
> > > >
> > > >
> > > > >From: tvdoctors@xxxxxxxxxxxxx
> > > > >Reply-To: techassist@xxxxxxxxxxxxx
> > > > >To: techassist@xxxxxxxxxxxxx
> > > > >Subject: [TechAssist] Re: technicial quary
> > > > >Date: 21 Feb 2002 07:50:20 -0800
> > > > >
> > > > >I don't think that we would be out of business if the manufacturers
> > > stopped
> > > > >making junk. If they made them better, they would have to sell for
> > more,
> > > > >hence, more people would be Ok'ing our estimates and maybe we could
> all
> > > get
> > > > >"cost of living increase's instead of decrease's" Better made
units
> > cost
> > > > >more to make, so they would sell for a higher price. I can't see a
> shop
> > > > >making a profit on working on a $50.00 vcr that only has a bad
power
> > > > >supply. At this price, even a cleaning may exceed the price to fix
> the
> > > > >unit.
> > > > >
> > > > >
> > > > > > ** Original Subject: RE: [TechAssist] Re: technicial quary
> > > > > > ** Original Sender: "bob" <woodman1@xxxxxxxx>
> > > > > > ** Original Date: Thu, 21 Feb 2002 09:56:38 -0500 (EST)
> > > > >
> > > > > > ** Original Message follows...
> > > > >
> > > > > >
> > > > > > i feel the same way you do bob...but i go back further... i
> > remember
> > > > > > the old rca's swallowing 8-10 6GH8's per repair.. how many
> people
> > > > >remember
> > > > > > changing dura modules and the famous zenith 9-160's at
$200.00
> > per
> > > > > > repair, and the modules only cost $50.00? {and the rebuilt
> modules
> > > > >worked
> > > > > > back then.} haha
> > > > > > but on the pluss side if the companys stoped making junk, we
> all
> > > > >would be
> > > > > > out of business....
> > > > > >
> > > > > >
> > > > > > bob,
> > > > > >
> > > > > > bobs tv.... worcester, ma
> > > > > >
> > > > > >
> > > > > >
> > > > > > ----- Original Message -----From: bobstv <bobstv@xxxxxxxxxxxxx>
> > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > Sent: Thursday, February 21, 2002 8:02 AM
> > > > > > Subject: [TechAssist] Re: technicial quary
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > Personally I am glad I only have a few years left to work and
> hope
> > > it
> > > > >will
> > > > > > > hold out at least till then. I am too old to start doing
> > something
> > > > >else.
> > > > > > I
> > > > > > > can see the demise of this business coming fast as I have been
> it
> > > for
> > > > >27
> > > > > > > years.
> > > > > > >
> > > > > > > Robert J. Delhommer, Sr.
> > > > > > > Bob's Electronics & TV Service
> > > > > > > Maurice, LA
> > > > > > >
> > > > > > > ----- Original Message -----
> > > > > > > From: Junior E Hurdle <jselectronics@xxxxxxxxxxxx>
> > > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > > Sent: Wednesday, February 20, 2002 10:17 PM
> > > > > > > Subject: [TechAssist] technicial quary
> > > > > > >
> > > > > > >
> > > > > > > > as a person who has been in the repair business fulltime for
> > only
> > > 6
> > > > > > years
> > > > > > > I was wandering if there is any future for the electronic
repair
> > > tech
> > > > >say
> > > > > > 5
> > > > > > > or ten years from now.Will there be a market for the kind of
> > service
> > > > >we
> > > > > > > offer ?
> > > > > > > > send any replys to my email address.
> > > > > > > > Thank you .
> > > > > > > >
> > > > > > > > ------------------------------------------
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> > > > > > > >
> > > > > > > >
> > > > > > >
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> > > > > > >
> > > > > >
> > > > > >
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> > > > >
> > > > >
> > > > > >** --------- End Original Message ----------- **
> > > > >
> > > > > >
> > > > >
> > > > >TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469
> > > > >
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> > > >
> > > > _________________________________________________________________
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From: "Jerry" <geiting@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: technicial quary
Date: Fri, 22 Feb 2002 22:26:44 -0500
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