Wireless Communication And Control System - amazonia.fiocruz.br

Wireless Communication And Control System Video

Wireless communication or just wirelesswhen the context allows is the electromagnetic transfer of information between two or more points that are not connected by an electrical conductor. The most common wireless technologies use radio waves.

Navigation menu

With radio waves, intended distances can be short, such as a few meters for Bluetooth or as far as millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radioscellular telephonespersonal digital assistants PDAsand wireless oCmmunication. Other examples of applications of radio wireless technology include GPS units, garage door openerswireless computer Wireless Communication And Control Systemkeyboards and headsetsheadphonesradio receiverssatellite televisionbroadcast television and cordless telephones.

Somewhat less common methods of achieving wireless communications include the use of other electromagnetic wireless technologies, such as light, magnetic, or electric fields or the use of sound. The term wireless has been used twice in communications history, with slightly different meaning.

Latest NEC Corporation Patents:

It was Wirelesz used from about for the first radio transmitting and receiving technology, as in wireless telegraphyuntil the new word radio replaced it around Radios in the UK that were not portable continued to be referred to as wireless sets into the s. The term was revived in the s and s mainly to distinguish digital devices that communicate without wires, such as the examples listed in the previous paragraph, from those that require wires or cables.

This became its primary usage in the s, due to the advent Wireless Communication And Control System technologies such as mobile broadbandWi-Fi and Bluetooth. Wireless operations permit services, such as mobile and interplanetary communications, that are impossible or impractical to implement with the use of wires. The term is commonly used in the telecommunications industry to refer to telecommunications systems e.

Products by business type

The first wireless telephone conversation occurred inwhen Alexander Graham Bell and Charles Sumner Tainter invented the photophonea telephone that sent audio over a beam of light. The photophone required sunlight to operate, and a clear line of sight between transmitter and receiver. These factors greatly decreased the viability of the Wirless in any practical use.]