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:
Oct. 31, 1995
Filed:
Oct. 22, 1993
Shigeru Imura, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An IC card loading detecting apparatus utilizing an input/output terminal portion of an IC card which houses therein a central processing unit (CPU) has a ground contact (6e) and a detection sensor contact (7) provided on an interface portion (6) of a terminal equipment (4). The detection sensor contact is brought in contact with a ground terminal (2e) of an input/output terminal portion (2) of an IC card (1) after the ground contact is brought in contact with the ground terminal when the IC card is inserted into the equipment and is disconnected from the ground terminal before the ground contact is disconnected from the ground terminal when said IC card is ejected from the equipment.