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The TI-1 TV was developed at the end of 1937 by Ing.
A.A. Raspletins at the NIIP and collected in the amount of several copies by the Central Research Institute of Communications in Moscow.
Individual TI-1 TV is comparable in size to the SI-235 radio receiver.
As it turned out during the experiments, the TV turned out to be unsuitable for mass production due to the instability of horizontal and personnel scans, poor sensitivity, etc. In 1938, the TV scheme was finalized, the shortcomings were eliminated, and only a few samples were produced under the name "TI-2"
.
During 1939, the most advanced TI-3 TV was developed, which could receive television programs with the number of image lines from 240 to 441 on a picture tube with a diameter of 17 centimeters.
The television could also receive broadcast programs in the range from 15 to 2000 meters.
After the release of prototypes and tests, the TI-3 TV was scheduled for mass production and began to be produced at the Leningrad Radist plant and partly at the Kozitsky plant under the name 17TN-1 in 1940.
Below is a description of the television set in the magazines "Technique of Youth No. 3 for 1938 and" Technique of Youth No. 7-8 for 1939.
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