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:
Aug. 05, 2003
Filed:
Aug. 26, 1999
Yoshihiro Ikefuji, Kyoto, JP;
Hiroharu Okada, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
An IC card ( ) has a communication module ( ) embedded in a core member ( ). The communication module ( ) has a contact terminal ( ), an antenna ( ) and an IC chip ( ) mounted on the same circuit board ( ) for making the assembly work easier. The contact terminal ( ) is formed at an upper surface of the circuit board ( ) to be exposed from an opening ( ) of a surface material ( ). The antenna ( ) and the IC chip ( ) are provided to a lower surface of the circuit board ( ) to indirectly face the contact terminal ( ). The IC chip ( ) automatically adjusts the resonance frequency of the antenna ( ) such that an output from the antenna ( ) has the maximum value constantly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile