Search results
Results From The WOW.Com Content Network
Wireless Set No. 19 MK II at the Infoage museum. The Wireless Set No. 19 was a Second World War mobile radio transceiver designed for use by armoured troops of the British Army. First introduced in 1940, the No. 19 began to replace the pre-war Wireless Set No. 11. Two modified versions were introduced, Mk. II in 1941 and Mk. III in 1942.
A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...
The push button method requires the user to press one button on a new (i.e. not in-network) 1905.1 device and one button on any 1905.1 device already in the network. It is not necessary for the user to know which technology is used by the new device to join the network, and which device will process the pairing and admission of this new device ...
Multiple walkie-talkies use a single radio channel, and only one radio on the channel can transmit at a time, although any number can listen. The transceiver is normally in receive mode; when the user wants to talk they must press a "push-to-talk" (PTT) button that turns off the receiver and turns on the transmitter. Some units have additional ...
Push-button telephone Image 15 An example of a K6, the most common red telephone box model, photographed in London in 2012 Image 16 Emergency telephones , on the Paris-Bordeaux railway line, Saint-Saviol station, Vienne, France
Some radio equipment used with RCC systems was half-duplex, push-to-talk equipment such as Motorola hand-helds or RCA 700-series conventional two-way radios. Other vehicular equipment had telephone handsets, rotary or push-button dialing, and operated full duplex like a conventional wired telephone.
A push-button (also spelled pushbutton) or simply button is a simple switch mechanism to control some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. [1] The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.
Some wireless access points have a dual-function WPS button, and holding this button down for a shorter or longer time may have other functions, such as factory-reset or toggling WiFi. [ 8 ] Some manufacturers, such as Netgear , use a different logo and/or name for Wi-Fi Protected Setup; [ 9 ] the Wi-Fi Alliance recommends the use of the Wi-Fi ...