Invention Grant
- Patent Title: Actively regulated modulation index for contactless IC devices
- Patent Title (中): 非接触式IC器件的主动调节调制指数
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Application No.: US12027856Application Date: 2008-02-07
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Publication No.: US07971794B2Publication Date: 2011-07-05
- Inventor: Thomas Leutgeb , Walter Kargl , Richard Sbuell , Edin Ibrahimagic , Albert Missoni
- Applicant: Thomas Leutgeb , Walter Kargl , Richard Sbuell , Edin Ibrahimagic , Albert Missoni
- Applicant Address: DE Neubiberg
- Assignee: Infineon Technologies AG
- Current Assignee: Infineon Technologies AG
- Current Assignee Address: DE Neubiberg
- Agency: Dickstein Shapiro LLP.
- Main IPC: G06K19/06
- IPC: G06K19/06 ; G06K7/08 ; G06K19/00
Abstract:
A contactless IC device including a detection circuit configured to detect a carrier wave that has been amplitude shift-keying (ASK) modulated with digital data and a shunt circuit configured to regulate the carrier wave to a predetermined voltage level.
Public/Granted literature
- US20090200383A1 ACTIVELY REGULATED MODULATION INDEX FOR CONTACTLESS IC DEVICES Public/Granted day:2009-08-13
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