電話按鍵

電話按鍵或電話鍵盤、電話按鍵鍵盤是指安裝在按鈕式電話機或類似的電信設備上用於撥打電話或撥號的鍵盤。電話鍵盤是一個由12個按鈕組成的矩形陣列，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年代貝爾實驗室的研究^[2]^[3]。20世紀60年代美國貝爾系統開發了雙音多頻系統，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]。

參考文獻

^ 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. （原始內容存檔於January 27, 2013）.

這是一篇與電信相關的小作品。您可以透過編輯或修訂擴充其內容。

[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. （原始內容存檔於January 27, 2013）.

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