電話按鍵

電話按鍵或電話鍵盤、电话按键键盘是指安装在按钮式电话机或类似的电信设备上用于撥打電話或撥號的键盘。電話键盘是一個由12个按钮组成的矩形阵列，鍵盤排列成四行三列^[1]。電話鍵盤的發展要歸功於20世紀50年代贝尔实验室的研究^[2]^[3]。20世纪60年代美国贝尔系统开发了双音多频系统，使得電話上的撥號盤（旋轉撥號）逐步被淘汰，通過按鍵撥打電話開始成為主流^[4]。

参考文献

^ D.P. Worrall, New Custom Calling Services, Bell System Technical Journal 61(5) 821–839 (May–June 1982)
^ B.L. Hanson, A Brief History of Applied Behavioral Science at Bell Laboratories, Bell System Technical Journal 62(6) 1571–1590 (July–August 1983), p.1578
^ Deininger, R. L. Human Factors Engineering Studies of the Design and Use of Pushbutton Telephone Sets. Bell System Technical Journal. 1960-02-16, 39 (4): 995–1012. doi:10.1002/j.1538-7305.1960.tb04447.x.
^ Agogino, Alice. Engineering Education "Today in History" Blog: Bell Telephone introduces push button telephone. Engineering Pathway. November 18, 2009. （原始内容存档于January 27, 2013）.

这是一篇與電信相關的小作品。你可以通过编辑或修订扩充其内容。

[1] D.P. Worrall, New Custom Calling Services, Bell System Technical Journal 61(5) 821–839 (May–June 1982)

[2] B.L. Hanson, A Brief History of Applied Behavioral Science at Bell Laboratories, Bell System Technical Journal 62(6) 1571–1590 (July–August 1983), p.1578

[deininger-3] Deininger, R. L. Human Factors Engineering Studies of the Design and Use of Pushbutton Telephone Sets. Bell System Technical Journal. 1960-02-16, 39 (4): 995–1012. doi:10.1002/j.1538-7305.1960.tb04447.x.

[Engineering_Pathway-4] Agogino, Alice. Engineering Education "Today in History" Blog: Bell Telephone introduces push button telephone. Engineering Pathway. November 18, 2009. （原始内容存档于January 27, 2013）.

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