Invention Grant
- Patent Title: Transponder load modulation
- Patent Title (中): 转发器负载调制
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Application No.: US11130478Application Date: 2005-05-16
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Publication No.: US08111140B2Publication Date: 2012-02-07
- Inventor: Pierre Rizzo , Christophe Moreaux
- Applicant: Pierre Rizzo , Christophe Moreaux
- Applicant Address: FR Montrouge
- Assignee: STMicroelectronics SA
- Current Assignee: STMicroelectronics SA
- Current Assignee Address: FR Montrouge
- Agency: Graybeal Jackson LLP
- Agent Lisa K. Jorgenson; Kevin D. Jablonski
- Priority: FR0450950 20040514
- Main IPC: H04Q5/00
- IPC: H04Q5/00 ; G06K19/077
Abstract:
An electromagnetic transponder and a method for controlling by pulse trains a switch for modulating the load of this transponder in an electromagnetic field from which it extracts its power supply, the duty ratio of the pulses being controlled according to the transponder supply voltage.
Public/Granted literature
- US20050254594A1 Transponder load modulation Public/Granted day:2005-11-17
Information query
