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A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced rotary dialing , that had been developed for ...
Keypad used by T9. T9's objective is to make it easier to enter text messages.It allows words to be formed by a single keypress for each letter, which is an improvement over the multi-tap approach used in conventional mobile phone text entry at the time, in which several letters are associated with each key, and selecting one letter often requires multiple keypresses.
The Nokia C3-00 is a QWERTY keypad feature phone with the Nokia Series 40 mobile operating system, released under the Cseries line of phones by Nokia. It features a full 4-line keyboard, like the earlier Nokia 6800 series. It was advertised as an entry-level messaging and social networking phone, retailing at 90 EUR
Once a staple in home computing, especially in the late ’80s and early ’90s, the clunky Commodore 64 — also known as the C64 — remains popular among retro tech enthusiasts.
The Motorola MicroTAC is a cellular phone first manufactured as an analog version in 1989. GSM-compatible and TDMA/Dual-Mode versions were introduced in 1994. The MicroTAC introduced a new "flip" design, where the "mouthpiece" folded over the keypad, although on later production the "mouthpiece" was actually located in the base of the phone, along with the ringer.
Bar-type smartphones commonly have the screen and keypad on a single face. Sony had a well-known 'Mars Bar' phone model CM-H333 in 1993 that was longer and thinner than the typical bar phone. [2] Bar phones without a full keyboard tend to have a 3×4 numerical keypad; text is often generated on such systems using the Text on 9 keys algorithm.
The Nokia 3300 is a mobile phone announced on March 11, 2003 [1] as the successor of Nokia 5510. It was marketed primarily as a music playing phone. [2] They are relatively rare and today go for high prices in the second hand market. [citation needed]
It was announced on 9 September 1996, as the first of Nokia's high-end 8000 series of phones. [2] Its distinctive styling was the first example of a 'slider' form factor. A sliding cover protected the keypad when being carried in the pocket and extended downwards in use, bringing the microphone closer to the mouth. [3]