Analog to digital converter (ADCs); Analogue to digital converters; Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Converters, electric; Direct current converters; Electric converters; Electric power converters; Electronic controllers for use with power converters; Frequency converters; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space opti...