Currency converter for use with pre-established and known conversion data
Portable travel expense tabulator
Money exchanger apparatus
Portable financial transaction card capable of authorizing a transaction in foreign currencies Patent #: 4766293
ApplicationNo. 170014 filed on 03/18/1988
US Classes:708/206, Unit conversion705/35, Finance (e.g., banking, investment or credit)708/163Business
ExaminersPrimary: Harkcom, Gary V.
Assistant: Shaw, Dale M.
Attorney, Agent or Firm
Foreign Patent References
International ClassesG06F 007/00
Foreign Application Priority Data1987-03-20 JP
AbstractElectronic currency conversion apparatus including, among other things, an input keyboard comprising a set of keys for inputting amounts of money in each of two different currencies, calculating circuitry for calculating a currency conversion exchange rate according to the amounts of money inputted via the input keyboard circuitry for subsequently calculating a currency conversion for a predetermined amount of money inputted at the input keyboard based on the calculated conversion rate, mode selection keys operable by a user for selecting an exchange rate calculating mode and a currency conversion mode, and a visual display including exchange rate symbol display, the exchange rate symbol display being energized in a flashing type of indication during the exchange rate calculating mode upon the inputting of a money amount.