发明名称 Portable travel expense tabulator
摘要 A portable travel expense tabulator having the appearance of a conventional electronic hand-held calculator has a keyboard including a set of numerical input keys and a set of expense designating input keys. The device also includes a paper tape supply and takeup and a print-out device. By pressing appropriate numerical keys and an expense key, one can print on the tape the symbol for the type of expense along with the dollar amount. A summation of the expenses is carried in an electronic memory. Additional inputs include an exchange rate designator which can be preset at a monetary exchange rate. Local currencies are keyed in by the numerical keys and are converted to dollars before print-out. Also, mileage expenses may be computed and printed by mileage and cents-per-mile inputs. Dates may also be printed on the tape by means of the keyboard input.
申请公布号 US4192006(A) 申请公布日期 1980.03.04
申请号 US19780931363 申请日期 1978.08.07
申请人 HAUSDORFF, HARRY H 发明人 HAUSDORFF, HARRY H
分类号 G06F15/02;G06Q10/00;G06Q30/00;G07C5/10;(IPC1-7):G06F15/30 主分类号 G06F15/02
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