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:
Jan. 05, 1988
Filed:
Jan. 06, 1986
Masuaki Morino, Kyoto, JP;
Yoshiyuki Fujikawa, Nara, JP;
Isamu Haneda, Nara, JP;
Tetsuo Myoi, Kyoto, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A display device for a programmable electronic calculator comprises an input device for inputting the contents of a display to be displayed in the display device, a sheltering display memory for storing the contents of the previous display for sheltering when the display device is adapted to provide a new display, and a circuit for extracting the contents of the sheltering display memory so that the display device displays the contents sheltered, again. In another form of the present invention, a programmable electronic calculator comprises a keyboard containing a plurality of key switches, a key sequence setting device for setting a key operation sequence to one of one or more key switches selected from the plurality of key switches, a display device for displaying a specific item, a display enabling device activated to enable the display device to display the specific item and a display controller responsive to the display enabling device for permitting the display device to display a symbol representative of the key operation sequence.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile