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.
Patent No.:
Date of Patent:
Jun. 08, 1982
Filed:
Apr. 11, 1980
Kazumitsu Miyakoshi, Yamatokoriyama, JP;
Koji Maekawa, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Tokyo, JP;
Abstract
A display circuit adapted for use in an electronic calculator comprises a circuit for enabling communication between the calculator and the operator to inquire as to the value of one or more variables and a circuit for pointing out the kind of a variable which is presently subject to inquiry and input data items entered by the operator. In another form of the present invention, the display circuit comprises a circuit for detecting a space or separable portion between two algebraic expressions, a circuit for terminating the indication just before the position of the space, and a circuit for subsequently initiating indications of items following the space from the top digit of a display. In a further preferred form of the present invention, the display circuit comprises a circuit for detecting a separation mark between two equations, a counter for counting the serial number of the separation mark, a circuit for showing the serial number of the separation mark in addition to the results of the calculation obtained by one of the equations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile