Assignee
FRIEDRICH ULRICH
DE14 patents
Top patents by PatentIndex Score
US8477017B2Jul 2, 2013
Method, system, and integrated circuit for communication in RFID or remote sensor systems
FRIEDRICH ULRICH5 citations84
US9317981B2Apr 19, 2016
Method and device for protecting products against counterfeiting
FRIEDRICH ULRICH3 citations73
US8296852B2Oct 23, 2012
Transponder, RFID system, and method for RFID system with key management
FRIEDRICH ULRICH6 citations73
US8254841B2Aug 28, 2012
Method and apparatus for data communication between a base station and a transponder
FRIEDRICH ULRICH3 citations62
US8183983B2May 22, 2012
Method for the at least temporary activation of bidirectional communication and transponder
FRIEDRICH ULRICH2 citations62
US8111672B2Feb 7, 2012
Method for data communication between a base station and a transponder
FRIEDRICH ULRICH2 citations62
US8274370B2Sep 25, 2012
Modulator and modulation method for a wireless data transmission device
FRIEDRICH ULRICH2 citations61
US8761149B2Jun 24, 2014
Method for data communication between a base station and a transponder
FRIEDRICH ULRICH0 citations52
US8577295B2Nov 5, 2013
Method and apparatus for data communication between a base station and a transponder
FRIEDRICH ULRICH0 citations52
US8552837B2Oct 8, 2013
Data transmission method and apparatus in RFID and remote sensor systems
FRIEDRICH ULRICH0 citations52
US8553674B2Oct 8, 2013
Method for wireless data transmission
FRIEDRICH ULRICH1 citations52
US8284030B2Oct 9, 2012
Method and device for recognizing functional states in RFID or remote sensor systems
FRIEDRICH ULRICH0 citations52
US8638195B2Jan 28, 2014
Method, transponder, and circuit for selecting one or more transponders
FRIEDRICH ULRICH0 citations50
US8315276B2Nov 20, 2012
Transmitting data between a base station and a transponder
FRIEDRICH ULRICH0 citations41