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SemiLEDs Corp develops, manufactures, and sells light-emitting diode chips and LED components. The company's products include LED Chips, LED Components, and Lighting Products. Its products are used for general lighting applications, including street lights and commercial, industrial, system, and residential lighting; specialty industrial applications, such as ultraviolet, or Ultraviolet, curing of polymers, LED light therapy in medical/cosmetic applications, counterfeit detection, LED lighting for horticulture applications, architectural lighting and entertainment lighting. Substantial revenue is generated from the sale of LED components products. Geographically, it derives a majority of its revenue from Japan.
Electro-Sensors Inc is engaged in manufacturing and selling a variety of monitoring systems that measure actual machine production and operation rates, as well as systems that regulate the speed of related machines in production processes. Its speed monitoring systems compare revolutions per minute or speed against acceptable rates as determined by a customer. It also includes a line of products that measure production counts or rates, such as parts, gallons, or board feet, alarm systems, tachometers, and other devices that translate impulses from the sensors into alarm signals, computer inputs, or digital displays that are usable by the customer.