Electronic apparatus with currency conversion function

Patent 4926368 Issued on May 15, 1990. Estimated Expiration Date:

March 18, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Conversion calculator
Patent #: 4092523
Issued on: 05/30/1978
Inventor: Tava, et al.

Currency converter for use with pre-established and known conversion data
Patent #: 4120451
Issued on: 10/17/1978
Inventor: Stapleton

Portable travel expense tabulator
Patent #: 4192006
Issued on: 03/04/1980
Inventor: Hausdorff

Money exchanger apparatus
Patent #: 4251867
Issued on: 02/17/1981
Inventor: Uchida , et al.

Portable financial transaction card capable of authorizing a transaction in foreign currencies Patent #: 4766293
Issued on: 08/23/1988
Inventor: Boston

Inventors

Application

No. 170014 filed on 03/18/1988

US Classes:

708/206, Unit conversion705/35, Finance (e.g., banking, investment or credit)708/163Business

Examiners

Primary: Harkcom, Gary V.
Assistant: Shaw, Dale M.

Attorney, Agent or Firm

Birch, Stewart, Kolasch & Birch

Foreign Patent References

2923478 DE 12/13/1980

International Classes

G06F 007/00
G06F 015/30

Foreign Application Priority Data

1987-03-20 JP

Abstract

Electronic 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.