A walkie-talkie (more formally known as a handheld transceiver, or HT) is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald L. Hings, radio engineer Alfred J. Gross, and engineering teams at Motorola. Similar designs were created for other armed forces, and after the […]

Strain gages are devices whose resistance changes under the application of force or strain. They can be used for measurement of force, strain, stress, pressure, displacement, acceleration etc. Strain gages are of the stucture, in which a metallic foil film in the thickness of a few microns is glued on a thin electrically insulated sheet (such as […]

An intercom (intercommunication device), talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network (Azori 2016). Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections […]

An interactive whiteboard is an instructional tool that allows computer images to be displayed onto a board using a digital projector. The instructor can then manipulate the elements on the board by using his finger as a mouse, directly on the screen. Items can be dragged, clicked and copied and the lecturer can handwrite notes, which can be […]

The Quantum Dots Display is a new type of display used in flat panel displays as an electronic visual display. With many promising advantages, Quantum Dots Display is considered as a next generation display. As for the global quantum dots display industry, the industry structure is relatively concentrated. The most of market share in revenue is […]

Light control is the ability to regulate the level and quality of light in a given space for specific tasks or situations. Controlling light properly not only enhances the experience, it helps to save energy by using light when and where it is needed most. LED lighting controllers communicate between several system outputs and inputs related to […]

Electronic Cable Markers are extremely important for keeping the cables organizing and running effectively and cables are used for wires, network, voice and data lines. It will help consumers quickly identify the right voice lines during troubleshooting and can be used to mark the data lines for upcoming installs and repairs. The Electronic Cable […]

This report studies the RF Amplifier Chips market, A RF amplifier chip is an integrated circuit that amplifies Radio Frequency (RF) signals with frequencies ranging from low MHz to 10+ GHz. RF amplifier chips exist in almost all wireless communications systems such as smartphones, GPS receivers and satellite receivers. Typically the RF signal […]

Video Intercom System is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network (Azori 2016). Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections to public address loudspeaker systems, […]

Secondary optics are those optics which exist outside of the LED package, such as reflector, TIR lenses, Fresnel lenses, and pillow lenses. Secondary optics are used to create the desired appearance and beam pattern of the LED signal lamp. LEDs generally emit light at a 120-degree viewing angle. LED applications that require more focused light […]