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:
Apr. 02, 2002
Filed:
Sep. 22, 1998
Applicant:
Inventors:
Assignee:
U.S. Philips Corp., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 1/906 ;
U.S. Cl.
CPC ...
G06K 1/906 ;
Abstract
A data carrier ( ) which can be operated in a contact-bound mode and in a contactless mode and a circuit ( A) for such a data carrier ( ) has supply voltage generating means ( ), for deriving a supply voltage (VDD) for various circuit sections of the data carrier ( ) and of the circuit ( A) from a received useful HF signal (HF), and additional switching means ( ) by means of which the application of a potential (VDD), which appears as a result of the supply voltage generated by the supply voltage generating means ( ), to at least one contact terminal ( A) can be inhibited.