The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 09, 1985

Filed:

Sep. 09, 1982
Applicant:
Inventors:

Koichi Hatta, Yamatokoriyama, JP;

Kenichiro Komeda, Gose, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364709 ; 364715 ; 364464 ;
Abstract

The present invention discloses a shopping calculator into the budget memory of which, when shopping, a previously decided budget value is entered for storage by means of a budget key, and each time a purchase is made the cost of the purchase is entered into budget memory by means of DATA ENTRY keys and subtracted from the value in the budget memory, and when the remainder is below a preset value or when the budget value is exceeded, a warning is be given. In addition, another embodiment of the present invitation discloses a shopping calculator having a multiple symbol display unit, a means for carrying out comparative shopping calculations by which the prices and weights of at least two Commodities may be compared to determine which of the two is the better bargain, and a means by which the input values for the abovementioned comparative shopping calculations may be displayed, in order, in the abovementioned symbol display units.


Find Patent Forward Citations

Loading…