Scientific, photographic, cinematographic, optical, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, electric field sensors for detecting minuscule capacitive changes from a human body to an electrode configuration, integrated electronic circuits for signal generation and data transmission, namely, application specific integrated circuits (ASIC), which include a microprocessor and embedded computer software for analyzing output signals from motion detectors and microphones which detect two and three dimensional human gestures or human speech for identification or authorization purposes, for digital payment, for mobile communication, for operation panels for household equipment, for intrabody networks, speech and gesture analysis devices, namely, motion detectors and microphones electronically linked to application specific integrated circuits (ASIC) which include a microprocessor and embedded computer software for analyzing output signals from touch, presence or motion detectors and microphones for detection of two and three dimensional human gestures or human speech; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording transmission or reproduction of sound or images, in particular apparatus for multimedia recording and reproduction, photo cameras, video cameras, phones, mobile phones, blank magnetic data carriers; apparatus in the field of entertainment technology, as far as included in this class, in particular video games machines for use with external display screen or monitor; electronic data processing apparatus and computers and personal digital assistants (PDA); auxiliary equipment for electronic data processing apparatus and computers, namely, computer peripheral devices; peripheral equipment for computers, in particular computer mice, computer keyboards, game controllers, headsets