PLEXUS

Surveying instruments; fibre optics; all for the detection of breaks, fractures or deformities in metal, brick, concrete or other structures, buildings, bridges or tunnels; all for the detection of pressure changes, leaks or breaches in conduits or bore holes, reservoirs, wells or vessels; all for alarm systems, perimeter protection or intruder detection; computer software for use in collecting, recording and analysing data, hardware set up and continuous management and providing a graphical method of user interface and monitoring of such apparatus, systems, equipment and installations; fibre optical sensors; electro-optical sensors; sensors in the form of and for use with fibre optic cables for detecting, measuring, recording, ambient or internal pressure, strain, temperature, stress, damage, optical wavelength and optical line width, environmental conditions, movement, acoustics, distance, length vibration, sound, flow or levels of carbon dioxide; detectors in the form of and for use with fibre optic cables for detecting, measuring, recording ambient or internal pressure, strain, temperature, stress, damage, optical wavelength and optical line width, environmental conditions, movement, acoustics, distance or length, vibration, sound, flow or levels of carbon dioxide, optical multiplexers for use with fibre optic cables; electrical or optical components for use with fibre optic cables, namely, instruments and apparatus, including sensors, for detecting, measuring, recording, regulating, or controlling pressure, strain, temperature, stress, optical wavelength and optical linewidth, environmental conditions, distance, length, vibration, sound, flow or levels of carbon dioxide, namely, transducers that utilise ultrasonic oscillations to test for stress and fatigue in metal and metal structures; remote control apparatus, namely, remote controls for interfacing between detectors and computers for distributed temperature, strain and pressure measurement; computer hardware and peripheral devices and recorded computer software for data communication and translating and transmitting data sold therewith; computer software for the processing of sensor data; electronic security, surveillance, and intrusion alert systems, namely, electronic components for sensing and detecting vibrations and other physical disturbances, the electronic components including fibre optic sensors; electronic sensors for perimeter security; electronic sensors and detectors for sensing and detecting vibrations and other physical disturbances; electronic sensor systems comprised of electronic sensors based on fibre optics for determining changes in the behaviour of light in fibre optic fibres and other conduits; electronic sensors in the nature of network security sensors for use with data networks to detect physical intrusions into data cables and conduits; electrical controllers and central processing units for use in electronic security and intrusion detections systems; software for the operation and use of electronic security, surveillance, and intrusion alert systems; electronic component parts for electronic security, surveillance, and intrusion alert systems

Installation, repair and repair information services relating to fibre optic apparatus, systems, equipment and installations; installation, repair and repair information services relating to fibre optic apparatus, systems, equipment and installations for sensing pressure or vibration relating to fibre optic cables; Installation, repair and repair information services relating to fibre optic cables being pressure or vibration sensitive; all for the detection of breaks, fractures or deformities in metal, brick, concrete or other structures, buildings, bridges or tunnels; all for the detection of pressure changes, leaks or breaches in conduits or bore holes, reservoirs, wells or vessels; all for alarm systems, perimeter protection or intruder detection; the vibration being acoustic or otherwise

Services of technical monitoring and environmental conditions, including pressure, strain, temperature, stress, optical wavelength and optical linewidth, distance, length, vibration, sound, flow or levels of carbon dioxide, namely, engineering services; services of monitoring and analysing data obtained from sensors, namely, engineering services; design and testing services for others for new products in the nature of fibre optic cables and apparatus and instruments for monitoring, measuring environmental conditions, pressure, strain, temperature, stress, damage, optical wavelength and optical linewidth, distance, length, vibration, sound, flow or levels of carbon dioxide; development of imaging apparatus for others; research and development of technology in the field of fibre optics; installation, maintenance, testing and repair of computer software for others; rental of computer hardware and computer peripherals, namely, apparatus for displaying, recording, monitoring and interpretation of data obtained from fibre optic cables; surveying services; design, technology research, development, and testing of telecommunication apparatus and instruments for others; design and development of on-line computer software systems