A
push-button (also spelled pushbutton) or simply
button is a simple switch mechanism for controlling some aspect of a machine or a
Kaynak: Push-buttonThe
push-button telephone is a telephone that uses
push-buttons or keys for dialing a telephone number to place a call to another
Kaynak: Push-button telephoneNomenclature: Ford : Intelligent Access with
push-button start. General Motors : Passive Entry Passive Start. Honda : Smart Entry System
Kaynak: Smart keySome telephone systems in the US no longer recognize rotary dialing by default, but will only support
push-button phone s. date July 2011
Kaynak: Rotary dialUntil approximately the 1970s most telephones used a rotary dial , which was superseded by the modern Touch-Tone
push-button dial, first
Kaynak: TelephoneIt was standardised when the dual-tone multi-frequency system in the new
push-button telephone was introduced in the 1960s, which
Kaynak: Telephone keypadThe version of DTMF that is used in
push-button telephone s for tone dialing is known as Touch-Tone. It was developed by Western Electric
Kaynak: Dual-tone multi-frequency signalingKeypads are found on many alphanumeric keyboard s and on other devices such as calculators ,
push-button telephone s, combination locks ,
Kaynak: KeypadBell System in 1963 under its Touch-Tone® trademark supported by
push-button telephone s, pulse dialing was slowly phased out at the primary
Kaynak: Pulse dialingA placebo
button (also referred to as an idiot
button) is a
push-button with apparent functionality that actually has no effect when
Kaynak: Placebo buttonIn photography the shutter-release
button (sometimes just shutter release or shutter
button) is a
push-button found on many cameras , used
Kaynak: Shutter buttonFlyback chronograph , a single-
push-button clock for stopping, resetting and restarting time measurement. Flyback converter , a type of DC to
Kaynak: Flybackto the contacts is called the actuator , and may be a toggle or dolly, a rocker, a
push-button or any type of mechanical linkage (see photo).
Kaynak: Switch