Assignee
ANGEWANDTE DIGITAL ELEKTRONIK
DE·13 granted patents·838 citations·filing 1983–1999
Top patents by PatentIndex Score
13 records- 0191US5773812AChip card capable of both contact and contactless operation including a contact blockANGEWANDTE DIGITAL ELEKTRONIK·Filed 1996·Granted Jun 30, 1998·157 cites·23 claims
- 0286US6068193AProcess for exchanging energy and data between a read/write terminal and a chip card with contactless connections and/or contact connections as well as a device for this purposeANGEWANDTE DIGITAL ELEKTRONIK·Filed 1996·Granted May 30, 2000·106 cites·47 claims
- 0386US5206495AChip cardANGEWANDTE DIGITAL ELEKTRONIK·Filed 1990·Granted Apr 27, 1993·237 cites·10 claims
- 0484US4698996AMethod for calibrating an electronic position transmitterANGEWANDTE DIGITAL ELEKTRONIK·Filed 1985·Granted Oct 13, 1987·47 cites·9 claims
- 0581US4652821ADevice including selectively actuatable sensors and a multiplexer-demultiplexer for contact-free positional measurement of electronic position indicatorsANGEWANDTE DIGITAL ELEKTRONIK·Filed 1983·Granted Mar 24, 1987·36 cites·2 claims
- 0676US6008993AChip card with chip support element and coil support elementANGEWANDTE DIGITAL ELEKTRONIK·Filed 1995·Granted Dec 28, 1999·55 cites·18 claims
- 0768US6098890AMethod and device for adapting a chip card to different card terminalsANGEWANDTE DIGITAL ELEKTRONIK·Filed 1996·Granted Aug 8, 2000·51 cites·21 claims
- 0865US4697183AMeans for non-contacting signal and energy transmissionANGEWANDTE DIGITAL ELEKTRONIK·Filed 1985·Granted Sep 29, 1987·31 cites·12 claims
- 0954US4602253AApparatus for mutual information transmission in a lock and key systemANGEWANDTE DIGITAL ELEKTRONIK·Filed 1985·Granted Jul 22, 1986·47 cites·6 claims
- 1042US6565007B1Chip card with an electronic blocking functionANGEWANDTE DIGITAL ELEKTRONIK·Filed 1999·Granted May 20, 2003·10 cites·6 claims
- 1142US4796028AApparatus for bidirectional data transmissionANGEWANDTE DIGITAL ELEKTRONIK·Filed 1987·Granted Jan 3, 1989·10 cites·2 claims
- 1241US5288979AMethod for activating a data carrier having an inactive chip bonded to the data carrier for activating the data carrierANGEWANDTE DIGITAL ELEKTRONIK·Filed 1991·Granted Feb 22, 1994·38 cites·16 claims
- 1341US4549176ADevice for identifying an information particularly an electronic lock/key combinationANGEWANDTE DIGITAL ELEKTRONIK·Filed 1983·Granted Oct 22, 1985·13 cites·9 claims
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