Assignee
ANGEWANDTE DIGITAL ELECTRONIK
DE·7 granted patents·280 citations·filing 1989–1996
Top patents by PatentIndex Score
7 records- 0191US5376778AContact-free chip card for remote transmissionANGEWANDTE DIGITAL ELECTRONIK·Filed 1993·Granted Dec 27, 1994·150 cites·10 claims
- 0253US4928087APhase-stabilized, phase-coupled resonant circuitANGEWANDTE DIGITAL ELECTRONIK·Filed 1989·Granted May 22, 1990·16 cites·1 claims
- 0351US5984181AProcess and device for dispensing individual chip cardsANGEWANDTE DIGITAL ELECTRONIK·Filed 1996·Granted Nov 16, 1999·69 cites·18 claims
- 0449US5648761ACard with inhibit given remote interrogationANGEWANDTE DIGITAL ELECTRONIK·Filed 1994·Granted Jul 15, 1997·18 cites·18 claims
- 0542US5473323AApparatus for contactless energy and data transmission for single coil and two-coil systemsANGEWANDTE DIGITAL ELECTRONIK·Filed 1993·Granted Dec 5, 1995·16 cites·9 claims
- 0639US5619683AReference international card harmonization couplerANGEWANDTE DIGITAL ELECTRONIK·Filed 1994·Granted Apr 8, 1997·9 cites·19 claims
- 0731US5442295AMethod and apparatus for indicating the improper termination of a chip card communicationANGEWANDTE DIGITAL ELECTRONIK·Filed 1994·Granted Aug 15, 1995·2 cites·14 claims
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