IC card
Patent 5710421 Issued on January 20, 1998. Estimated Expiration Date: 
March 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSelf-regulating heater employing reactive components Semiconductor card which can be folded Patent #: 5004899 InventorAssigneeApplicationNo. 620538 filed on 03/25/1996US Classes:235/492, Conductive235/380Credit or identification card systemsExaminersPrimary: Hajec, Donald T.Assistant: Le, Thien M. Attorney, Agent or FirmInternational ClassesG06K 005/00G06K 019/06 Foreign Application Priority Data1995-03-31 JPAbstractA card body of an IC card is composed of first and second halves connected by a self hinge portion so as to be foldable into halves in such a manner that the surface where a contact is provided comes inside. The first and second halves are provided with a magnet and a magnetic body to hold the IC card folded by magnetic attractive force. When folded, a control section provided in the first half 1a is connected to transmitting-receiving means and a communication control section that are provided in the second half, by the contact and the transmission-reception contact, so that the IC card can function as a non-contact type IC card. | |
