Electronic alarm devices for determining status of senior persons living alone and needing assistance comprised of sensors and computer networks; alarms for detecting signals from sensors and informing surveillance agents automatically; surveillance detection and security intrusion reporting devices for doors consisting of sensors and sound alarms; security intrusion alarms with built-in communication functions for perceiving human bodies by passive infrared sensors; emergency alarms with built-in communication functions for perceiving human bodies by passive infrared sensors; alarm units for alerting emergency personnel comprising wireless button transmitters and receivers with buzzers and revolving lights; alarms by using security sensors for detecting illuminant, human bodies and objects; sensors for determining position for human bodies and objects by using infrared ray radiation; door sensors for detecting intruders; proximity sensors; control unit for exclusive use of the proximity sensors; magnetometers; pressure sensors; tactile sensors; capacitance proximity sensors; optical sensors consisting of semiconductors; electric touch sensitive switches; devices for wireless radio transmission; alarms comprised of video cameras and sensors for observing infant movement; remote control units for security systems for detecting intruders and sounding alarms; keypads for the remote control units of security systems for detecting intruders and sounding alarms; telecommunication apparatus for detecting humans; detecting and alarming apparatus for prowlers comprised of transmitters, receivers and indicators; telecommunications transmitters of self power generation; self generation and mat type radio transmitters with built-in piezoelectric elements; telecommunication transmitters operated with power generation by piezoelectric elements; computer software for operating sensor functions; computers for management of entering and leaving a room; computer software for ensuring the security of stored computer data

Security guarding for medical and healthcare facilities; remote security guarding and monitoring for facilities using wireless transmission through door sensors, proximity sensors, control apparatus for proximity sensors, magnetic sensors, pressure sensors, antenna sensors, capacitance sensors, optical sensors comprised of semi-conductors and/or proximity sensors for detecting intruders; online remote monitoring for security purposes by using surveillance camera viewable through a global computer network; security guarding for facilities; personal body guarding