Televisions were not commercially available until the late 1930's. So the answer to your question would be zero.
There were many inventions of the 1930's. A few are the electric razor, the television, parking meters and nylon stockings.
there was no such thing as a TV in the 30s, it was near the 50s though.
Hello Television - 1930 was released on: USA: 17 August 1930
In 1930 there were no televisions or top TV shows. The technology for that was still 15 years ahead of 1930.
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Some TV shows during the 1930's in the United States were "The Television Ghost" and "The Jack Benny Show". In Britain, some TV shows in the 1930's were "For The Children", "Telecrime", and "The Disorderly Room".
Son of the Gods - 1930 is rated/received certificates of: Netherlands:AL (original rating) (1930) USA:TV-PG (TV rating)
Sunny - 1930 is rated/received certificates of: USA:TV-PG (TV rating)
The Lash - 1930 is rated/received certificates of: USA:TV-PG (TV rating)
Whispering Whoopee - 1930 was released on: USA: 8 March 1930 West Germany: 2 August 1974 (TV premiere)
Road to Paradise - 1930 is rated/received certificates of: USA:TV-G (TV rating)
Numbered Men - 1930 is rated/received certificates of: USA:TV-PG (TV rating)