Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Transistor Portable Televisions

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #76  
Old 04-02-2017, 01:00 AM
Jeffhs's Avatar
Jeffhs Jeffhs is offline
<----Zenith C845
 
Join Date: Feb 2003
Location: Fairport Harbor, Ohio (near Lake Erie)
Posts: 3,492
Quote:
Originally Posted by old_tv_nut View Post
I think this set has been mentioned here before.
It was a black and white set. It worked, but had some shortcuts, such as, the channel was permanently tuned to one Chicago station and could not be changed from the outside. Still, it made for interesting press copy.

I can see why this TV had to be fixed-tuned to one channel. I doubt varactor tuners had been thought of in the 1960s, which rules out pushbutton channel selectors, and the very small size of these sets would have ruled out the use of any kind of mechanical RF tuner as well (I have never seen any turret or switch-type VHF TV tuner that would fit into a television set this small).

The fact that this TV used the earphone cord as the antenna, and does not seem to have any input jacks or terminal strips for external antennas, would mean the set would have to be located in a very strong signal area to operate at all, say within five miles of the transmitter. I cannot see this set working at all in the semi-fringe area in which I live (I am about 35 miles from the Cleveland TV stations) or any other such area; forget about using a set like this in a deep-fringe area--all you would get on the tiny screen would be snow on whatever channel the set had been factory-tuned to. I don't think this TV would work on cable or with a DTV converter box, either. But then again, who would want to tether a small TV like this to cable or to a DTV/cable box?

BTW, I remember the Popular Science article in which this tiny Motorola TV was featured. However, I did not realize at the time the set's shortcomings. I also remember a caption beneath one of the photos of the set in the article: "Don't wait for this (TV)...it's not going into production." My best guess is this was simply a prototype, which was never intended to be mass-produced.
__________________
Jeff, WB8NHV

Collecting, restoring and enjoying vintage Zenith radios since 2002

Zenith. Gone, but not forgotten.

Last edited by Jeffhs; 04-02-2017 at 01:07 AM.
Reply With Quote
  #77  
Old 04-02-2017, 11:36 AM
old_tv_nut's Avatar
old_tv_nut old_tv_nut is offline
See yourself on Color TV!
 
Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 4,319
I can tell you for sure that this Motorola pocket set was never put into production nor intended to be. When I worked in the Advanced Development department in Franklin Park in the early 70's, my boss had it in his desk drawer as a memento. It may have been demoed on a high floor with line-of-sight reception to the downtown stations.
__________________
www.bretl.com
Old TV literature, New York World's Fair, and other miscellany
Reply With Quote
  #78  
Old 04-02-2017, 11:14 PM
andy's Avatar
andy andy is offline
VideoKarma Member
 
Join Date: Jul 2002
Location: Austin, TX
Posts: 3,934
I think the only flat color CRT that made it into (limited) production was the Panasonic Flatvision from the early 90's.

Based on my experience with the KVX-370 Indextron, I don't see how they would get good performance from the Watchman style beam index CRT shown. Horizontal linearity and focus are crucial to achieving good color purity. The KVX-370 doesn't do very well with a conventional CRT.
__________________
Wanted list:
RCA CTC-5
RCA CTC19 or 27
Sony KV-7010U
Reply With Quote
  #79  
Old 04-03-2017, 12:17 AM
etype2's Avatar
etype2 etype2 is offline
VideoKarma Member
 
Join Date: Mar 2010
Location: Valley of the Sun, formerly Silicon Valley, formerly Packer Land.
Posts: 675
Based on the published specs for the 4 inch color Sony prototype flat index set, it would look similar to the KVX-370. Sony seemed to have gotten the deflection right on the 4 inch b&w watchman. Just wish I could find one if it was released.

Edit: The Panasonic Flatvision sold on EBay in June, 2015. Very rare indeed.
__________________
Personal website dedicated to Vintage Television https://visions4netjournal.com

Last edited by etype2; 04-03-2017 at 12:52 AM.
Reply With Quote
  #80  
Old 05-07-2017, 07:32 PM
batterymaker's Avatar
batterymaker batterymaker is offline
Repro Battery Builder
 
Join Date: Jan 2008
Posts: 166
Quote:
Originally Posted by oldtvman View Post
Here is a photo on Ebay supposedly of a hand held battery operated color set from 1961? I knew they were working on such a unit in the mid to late sixties but I don't know about anything that early. Can anyone verify this?

http://www.ebay.com/itm/1961-Press-P...item35bb2a4c78
That is part of the 1961 "Sets of the Seventies", a design program RCA did to envision what sets would look like around 1970. It was led by Tucker Madawick. I was aiming to do an article for my radio club, but my mother got sick, then I was taking care of her and my family, then I had a kid, then this, then that. Here's a mockup of the bulletin cover and the first page:
Attached Images
File Type: jpg Seventiessetscover.jpg (85.9 KB, 29 views)
File Type: jpg page1color.jpg (74.0 KB, 32 views)

Last edited by batterymaker; 05-07-2017 at 07:36 PM.
Reply With Quote
Audiokarma
  #81  
Old 05-08-2017, 05:00 AM
etype2's Avatar
etype2 etype2 is offline
VideoKarma Member
 
Join Date: Mar 2010
Location: Valley of the Sun, formerly Silicon Valley, formerly Packer Land.
Posts: 675
Thank you for posting this. First time I've seen the second photo in color. You say the concepts originated in 1961. That is two years prior to the published magazine cover, Mechanix Ilustrated, May, 1963.

Edit: These two concepts were part of eight concepts in total. Would you happen to have more information about that?
__________________
Personal website dedicated to Vintage Television https://visions4netjournal.com

Last edited by etype2; 05-08-2017 at 05:24 AM.
Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 02:35 AM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
ęCopyright 2012 VideoKarma.org, All rights reserved.