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:
Nov. 12, 2002
Filed:
Oct. 14, 1998
Applicant:
Inventor:
Werner Ziegler, Heilbronn, DE;
Assignee:
TEMIC Semiconductor GmbH, Heilbronn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q 1/00 ;
U.S. Cl.
CPC ...
H04Q 1/00 ;
Abstract
A modulation method for transponders where data transmission from the transponder to the read-write device is ensured even if the transponder circuits are supplied only with the minimum requisite operating voltage in that the amplitude of modulation voltage provided by a modulator is caused by reducing the supply current flowing in the transponder.