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:
Sep. 17, 2002
Filed:
Aug. 08, 2000
Kashichi Hirota, Hachioji, JP;
Makoto Kaneda, Saitama-ken, JP;
Kyowa Electric and Chemical Co., Ltd., Tokyo, JP;
Abstract
A writing board with an electronic calculator and a writing board to which an electronic calculator is installable. The writing board including a case member provided with an opening in a top surface of the case member, and a frame section surrounding the opening is formed on the top surface of the case member. A recording sheet including a microcapsule magnetic sheet is disposed in the case member with a top face of the recording sheet exposed through the opening of the case member. A magnetic member is used for writing on the recording sheet. The writing board further includes a magnetized erasing sheet which is positioned under the recording sheet in parallel with the recording sheet. An erasing button is used in the case member so that writings on the recording sheet can be erased only by depressing the erasing button. An electronic calculator is or can be mounted on the top surface of the case member.