The UHF wireless technology developed by Eriksson in 1994 for data transfer between devices in close proximity is?
Wireless DNC this part program is uploaded to a CNC machine by RS-232 link. Now this RS-232 link between a PC and CNC machine with software is called a DNC system. In a typical machine shop floor, it is difficult to maintain the data cable. Hence wireless data transfer has come into existence. There are mainly two types of wireless hardware units available in the market. One is using Bluetooth technology, while the other uses Wi-Fi technology. In case of Bluetooth, generally one pair of Bluetooth devices is used. One gets plugged on a COM port of a PC or Laptop, and
Wireless power transfer convenient and safer for all users. Wireless power transfer is useful to power electrical devices where interconnecting wires are inconvenient, hazardous, or are not possible. Wireless power techniques mainly fall into two categories, near field and far-field. In "near field" or "non-radiative" techniques, power is transferred over short distances by magnetic fields using inductive coupling between coils of wire, or by electric fields using capacitive coupling between metal electrodes. Inductive coupling is the most widely used wireless technology; its applications include charging handheld devices like phones and electric toothbrushes, RFID tags, and wirelessly charging or continuous wireless power transfer in