Abdominal belts containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and built-in pockets in which to carry audio transmitters; Batteries; Cable television transmitters; Cables for electrical and optical signal transmission systems; Cables for electrical or optical signal transmission; Cables for optical signal transmission; Cellular phone usage detection system comprising a camera and a mobile phone signal receiving device; Component feature of an oscilloscope, namely, an electrical signal acquisition mode; Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Digital signal processors; Digital voice signal processors; Distribution amplifiers for audio and video signals; Electric plugs; Electrical signal attenuators; Electrical sockets; Electro-dynamic apparatus for the remote control of signals; Electronic and optical communications instruments and components, namely, cable television transmitters; Electronic and optical communications instruments and components, namely, digital transmitters; Electronic and optical communications instruments and components, namely, optical transmitters; Electronic animal confinement unit comprising transmitters, electrical transformers, wires, and receiver collars; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and computer operating software; Electronic interconnecters for audio and video signals; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Electronic products for the generation, measurement, and analysis of audio signals, namely, audio analyzers; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Electronic scalers for audio and video signals; Electronic signaling mechanism, namely, a train control system used in the railway industry for detecting and controlling trains, ground faults, broken rails, power failures, track switches and lights; Electronic switchers for audio and video signals; Electronic transmitters and receivers used to locate lost children; Electronic transmitters for jamming signals; Emergency signal transmitters; Global positioning system (GPS); Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field and on board both mobile and stationary equipment in large scale mining, construction, and industrial operations to collect data from various applications, to transmit the data to central processing facilities, and to receive data transmissions directed to the applications and equipment; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field at large scale mining, construction, and industrial sites to collect data from monitoring and control installations, to transmit the data to central processing facilities, and to receive data transmissions directed to the installations; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field, affixed to equipment, or worn by personnel at large scale mining, construction, and industrial sites to transmit telemetry data on equipment and personnel to central processing facilities and to receive automated proximity alerts of other equipment or personnel for operations and safety management systems; High Z material detection system comprising a set of muon detectors and digital signal processing unit; Integrated circuits and integrated circuit cores for use in wireless communications and wireless communication equipment and apparati and digital signal processors (DSP); Integrated circuits incorporating algorithms for use in processing television signals; Keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and keyfob with electronic signal transponder; Pedometers; Plug-in connectors; Safety contact plugs; Scales