According to Securities Star, data from the Tianyancha APP shows that iFlytek (002230) has recently obtained a utility model patent authorization, with the patent titled 'Power Amplification Circuit ...
Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...
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Science history: Invention of the transistor ushers in the computing era — Oct. 3, 1950
On Oct. 3, 1950, three Bell Labs scientists received a patent for a "three-electrode circuit element" that would usher in the ...
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