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:
Jul. 22, 2003
Filed:
Sep. 11, 1997
Kazunari Sugita, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A display device ( ) having a portable card detection sensor ( ) for detecting mounting and removal of an IC card ( ), and a controller ( ) capable of reading out balance data and historical data of transaction from the IC card ( ) upon detection by the card detection sensor ( ) of the mounting of the IC card ( ), and displaying the respective data alternately on a display window( ). The mounting of the IC card ( ) is detected by the card detection sensor ( ) simply by mounting the IC card ( ) in the display device ( ), and the balance data and historical data of transaction are read out from the IC card ( ) and displayed alternately on the display window ( ) by the controller ( ).