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. 07, 2009
Filed:
Oct. 07, 2005
Applicants:
Matthijs Pardoen, Le Landeron, CH;
Olivier Desjeux, Le Landeron, CH;
Inventors:
Matthijs Pardoen, Le Landeron, CH;
Olivier Desjeux, Le Landeron, CH;
Assignee:
EM Microelectronic-Marin SA, Marin, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01); G05F 1/10 (2006.01); H04B 1/38 (2006.01); H02M 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The passive transponder comprises an antenna () connected to an integrated circuit () the analogue part of which includes a passive voltage rectifier () supplying a rectified voltage (V) and an active multiplier or booster () for said rectified voltage which is formed by a capacitor (C) switched to a relatively low frequency, for example 1 MHz, by means of switches formed by transistors (to) controlled using an oscillator ().