到着予定時刻
US patent 7536321, Shinichi Takahashi, Takenari Kawano, Kazuo Tsugu, Ken Nishioka, "Estimated time of arrival (ETA) systems and methods", issued 2009-05-19
US patent 6370231, Janice Paris Hice, "Method and system for calculating the estimated time of arrival of a service technician", issued 2002-04-09
US patent 6469665, Domenico G. Porcino, "Time of arrival estimation positioning systems", issued 2002-04-12
US patent 6675018, Eric Villier, Luis Lopes, Brendan Luddon, "Method of and system for estimating a time of arrival of a radio signal", issued 2004-01-06
US patent 8165792, Jeffrey Clinton Mikan, Justin McNamara, John Ervin Lewis, Fulvio Arturo Cenciarelli, "Methods and systems for broadcasting an estimated time of arrival", issued 2012-04-24