ALPHA NUMERIC PHONE KEYPAD WINDOWS
Later, they were installed in many Tourist Information shop windows throughout the UK. In 1984, the first projected capacitance keypad was used to sense through the shop window of a travel agency (see projected capacitance/window keypad image). Keypads for the entry of PINs and for product selection appear on many devices including ATMs, vending machines, point of sale payment devices, time clocks, combination locks and digital door locks.
Separate external plug-in keypads can be purchased. Many laptop computers have special function keys that turn part of the alphabetical keyboard into a numerical keypad as there is insufficient space to allow a separate keypad to be built into the laptop's chassis. This number pad (commonly abbreviated to numpad) is usually positioned on the right side of the keyboard because most people are right-handed. Many devices follow the E.161 standard for their arrangement.Ī computer keyboard usually has a small numeric keypad on the side, in addition to the other number keys on the top, but with a calculator-style arrangement of buttons that allow more efficient entry of numerical data. Keypads are found on devices which require mainly numeric input such as calculators, television remotes, push-button telephones, vending machines, ATMs, point of sale terminals, combination locks, safes, and digital door locks. Pads mostly containing numbers and used with computers are numeric keypads. Numeric keypad, integrated with a computer keyboard A calculator 1984 flier for projected capacitance keypadĪ keypad is a block or pad of buttons set with an arrangement of digits, symbols, or alphabetical letters. A telephone keypad using the ITU E.161 standard.
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