1 Hypothyroiditis can occur if the thyroid gland does not function correctly, or if it is not stimulated properly. 2  The most common cause of hypothyroidism in the US is Hashimoto's disease. 3  Symptoms of hypothyroidism include fatigue, cold intolerance and joint and muscle pain.ypothyroidism is a condition that occurs when the thyroid gland does not produce enough thyroid hormones to meet the needs of the body. The thyroid creates two thyroid hormones, triiodothyronine (T3) and thyroxine (T4) that regulate metabolism. They also affect the following: 1.
Other Attempts in Modifying the System. With Peter Goldmark leading the group of CBS researchers, Goldmark invented a particular mechanical color TV system in 1940. This system was actually based on John Logie Bairdâs designs in 1928. But this didnât last long in the market.
1. When was the first color TV prototype made? 2. When was the first pre production color TV done and 3. When was the first color TV introduced to the retail market for general public? Answers: 1. 1900 color TV introduced as concept at World s Fair in Paris based off of ideas and designed not developed in 1880 by Maurice Le Blanc. 2. First patent in US for TV both B&W and color versions 1922 in conjunction with CBS who began limited sales of prototypes in 1928 for concept and study with only 1 broadcasting station.