Friedrich; Ulrich

Patent Applications and Registrations

Patent applications and USPTO patent grants for Friedrich; Ulrich.The latest application filed is for "transponder device and transponder system with transponder device".

Company Profile

0.66.77

Friedrich; Ulrich - Ellhofen DE
Friedrich; Ulrich - Elhofen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Transponder Device and Transponder System with Transponder Device App 20210175618 - MEYER; Frederic ; et al.	2021-06-10
Transponder with receiving means having a low electrical consumption in a listening mode Grant 9,806,748 - Prazan , et al. October 31, 2	2017-10-31
Locating a backscatter-based transponder Grant 9,661,401 - Fischer , et al. May 23, 2	2017-05-23
Method and device for protecting products against counterfeiting Grant 9,317,981 - Friedrich April 19, 2	2016-04-19
Method, transponder, and circuit for selecting one or more transponders Grant 9,224,020 - Friedrich , et al. December 29, 2	2015-12-29
Method, apparatus, and logic for wireless data transmission Grant 9,197,341 - Friedrich November 24, 2	2015-11-24
Method for data communication between a base station and a transponder Grant 9,165,169 - Friedrich October 20, 2	2015-10-20
Method for data communication between a base station and a transponder Grant 8,761,149 - Friedrich June 24, 2	2014-06-24
Locating a Backscatter-Based Transponder App 20140145830 - Fischer; Martin ; et al.	2014-05-29
Method For Data Communication Between A Base Station And A Transponder App 20140132396 - Friedrich; Ulrich	2014-05-15
Method for Selecting One or More Transponders App 20140111309 - Friedrich; Ulrich ; et al.	2014-04-24
Method, Apparatus, and Logic for Wireless Data Transmission App 20140036902 - Friedrich; Ulrich	2014-02-06
Locating a backscatter-based transponder Grant 8,643,472 - Fischer , et al. February 4, 2	2014-02-04
Method, transponder, and circuit for selecting one or more transponders Grant 8,638,195 - Friedrich , et al. January 28, 2	2014-01-28
Method and apparatus for data communication between a base station and a transponder Grant 8,577,295 - Friedrich November 5, 2	2013-11-05
Data transmission method and apparatus in RFID and remote sensor systems Grant 8,552,837 - Friedrich October 8, 2	2013-10-08
Method for wireless data transmission Grant 8,553,674 - Friedrich October 8, 2	2013-10-08
Method, system, and integrated circuit for communication in RFID or remote sensor systems Grant 8,477,017 - Friedrich July 2, 2	2013-07-02
Secure data exchange with a transponder Grant 8,368,516 - Fischer , et al. February 5, 2	2013-02-05
Method and Apparatus for Data Communication Between a Base Station and a Transponder App 20120320797 - Friedrich; Ulrich	2012-12-20
Transmitting data between a base station and a transponder Grant 8,315,276 - Friedrich November 20, 2	2012-11-20
Transponder, RFID system, and method for RFID system with key management Grant 8,296,852 - Friedrich October 23, 2	2012-10-23
Method and device for recognizing functional states in RFID or remote sensor systems Grant 8,284,030 - Friedrich October 9, 2	2012-10-09
Modulator and modulation method for a wireless data transmission device Grant 8,274,370 - Friedrich , et al. September 25, 2	2012-09-25
Method and apparatus for data communication between a base station and a transponder Grant 8,254,841 - Friedrich August 28, 2	2012-08-28
Device and method for generating a random number Grant 8,244,786 - Fischer , et al. August 14, 2	2012-08-14
Method, Transponder, and System for Secure Data Exchange App 20120176229 - Fischer; Martin ; et al.	2012-07-12
Communication Method in RFID or Remote Sensor Systems App 20120126952 - FRIEDRICH; Ulrich	2012-05-24
Method for the at least temporary activation of bidirectional communication and transponder Grant 8,183,983 - Friedrich May 22, 2	2012-05-22
Method, transponder, and system for rapid data transmission Grant 8,160,253 - Fischer , et al. April 17, 2	2012-04-17
Method, transponder, and system for secure data exchange Grant 8,138,889 - Fischer , et al. March 20, 2	2012-03-20
Method for data communication between a base station and a transponder Grant 8,111,672 - Friedrich February 7, 2	2012-02-07
Communication method in RFID or remote sensor systems Grant 8,054,162 - Friedrich November 8, 2	2011-11-08
Transmitting Data Between a Base Station and a Transponder App 20110217924 - Friedrich; Ulrich	2011-09-08
Method for wireless data transmission Grant 8,013,716 - Fischer , et al. September 6, 2	2011-09-06
Method for access control Grant 7,999,659 - Friedrich August 16, 2	2011-08-16
Method for wireless data transmission and a transponder Grant 7,994,921 - Fischer , et al. August 9, 2	2011-08-09
Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information Grant 7,986,653 - Friedrich July 26, 2	2011-07-26
Method and Apparatus for Data Communication Between a Base Station and a Transponder App 20110170487 - Friedrich; Ulrich	2011-07-14
Method for Locating a Backscatter-Based Transponder App 20110163851 - Fischer; Martin ; et al.	2011-07-07
Method for Selecting One or More Transponders App 20110163853 - Friedrich; Ulrich ; et al.	2011-07-07
Method and Device for Recognizing Functional States in RFID or Remote Sensor Systems App 20110156876 - Friedrich; Ulrich	2011-06-30
Method for Wireless Data Transmission App 20110158176 - Friedrich; Ulrich	2011-06-30
Data Transmission Method and Apparatus in RFID and Remote Sensor Systems App 20110148590 - Friedrich; Ulrich	2011-06-23
Method For Communication Between A Base Station And A Plurality Of Transponders App 20110045861 - FRIEDRICH; Ulrich	2011-02-24
Method for selecting one or several transponders Grant 7,893,815 - Friedrich February 22, 2	2011-02-22
Method for transponder access control Grant 7,872,567 - Friedrich January 18, 2	2011-01-18
Backscatter transponder Grant 7,859,387 - Friedrich December 28, 2	2010-12-28
Method and device for data transmission Grant 7,768,948 - Friedrich August 3, 2	2010-08-03
Method for data transmission in RFID or remote sensor systems Grant 7,733,217 - Friedrich June 8, 2	2010-06-08
Method for transmitting a plurality of information symbols Grant 7,675,964 - Friedrich March 9, 2	2010-03-09
Semiconductor structure Grant 7,633,111 - Friedrich December 15, 2	2009-12-15
Method for wireless data transmission Grant 7,613,987 - Friedrich November 3, 2	2009-11-03
Method and apparatus for improving wireless data transmission Grant 7,609,147 - Friedrich October 27, 2	2009-10-27
Circuit arrangement for use in RF transponders and method for controlling a number of such transponders Grant 7,592,919 - Fischer , et al. September 22, 2	2009-09-22
Methods for wireless data transmission between a base station and one or more transponders Grant 7,590,087 - Friedrich September 15, 2	2009-09-15
Transponder With Access Protection And Method For Access To The Transponder App 20090033464 - Friedrich; Ulrich	2009-02-05
Device And Method For Generating A Random Number App 20090006513 - Fischer; Martin ; et al.	2009-01-01
Circuit arrangement and method for increasing the functional range of a transponder Grant 7,436,286 - Fischer , et al. October 14, 2	2008-10-14
Method And Device For Protecting Products Against Counterfeiting App 20080196106 - Friedrich; Ulrich	2008-08-14
Method For The At Least Temporary Activation Of Bidirectional Communication And Transponder App 20080186144 - Friedrich; Ulrich	2008-08-07
Circuit Arrangement For Use In Rf Transponders And Method For Controlling A Number Of Such Transponders App 20080180219 - Fischer; Martin ; et al.	2008-07-31
Backscatter transponder App 20080136646 - Friedrich; Ulrich	2008-06-12
Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters Grant 7,385,950 - Friedrich June 10, 2	2008-06-10
Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration Grant 7,376,391 - Friedrich , et al. May 20, 2	2008-05-20
Method and apparatus for wireless data transmission Grant 7,359,472 - Friedrich April 15, 2	2008-04-15
Method, transponder, and system for secure data exchange App 20080061941 - Fischer; Martin ; et al.	2008-03-13
Method and circuit arrangement for wireless data transmission Grant 7,342,481 - Fischer , et al. March 11, 2	2008-03-11
Method for selecting one or more transponders Grant 7,336,154 - Friedrich February 26, 2	2008-02-26
Security device for a transponder Grant 7,321,300 - Friedrich , et al. January 22, 2	2008-01-22
Scalable method for access control App 20080012685 - Friedrich; Ulrich ; et al.	2008-01-17
Transponder, RFID system, and method for RFID system with key management App 20080012690 - Friedrich; Ulrich	2008-01-17
Method, transponder, and system for rapid data transmission App 20080008265 - Fischer; Martin ; et al.	2008-01-10
Method for selecting one or several transponders Grant 7,312,692 - Friedrich December 25, 2	2007-12-25
Method for transmitting data between a base station and a transponder Grant 7,277,478 - Friedrich , et al. October 2, 2	2007-10-02
Method for wireless data transmission and a transponder App 20070176755 - Fischer; Martin ; et al.	2007-08-02
Method for operating a transponder, and a transponder device App 20070176754 - Fischer; Martin ; et al.	2007-08-02
Method for access control App 20070176756 - Friedrich; Ulrich	2007-08-02
Modulator and modulation method for a wireless data transmission device App 20070109102 - Friedrich; Ulrich ; et al.	2007-05-17
Method for data communication between a base station and a transponder App 20070063819 - Friedrich; Ulrich	2007-03-22
Method for selecting one or several transponders App 20070030126 - Friedrich; Ulrich	2007-02-08
Method for data communication between a base station and a transponder App 20070030921 - Friedrich; Ulrich	2007-02-08
Method and device for recognizing functional states in RFID or remote sensor systems App 20070030125 - Friedrich; Ulrich	2007-02-08
Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder Grant 7,173,519 - Friedrich , et al. February 6, 2	2007-02-06
Method for transponder access control App 20070008070 - Friedrich; Ulrich	2007-01-11
Circuit arrangement and method for phase modulation in a backscattering transponder Grant 7,158,010 - Fischer , et al. January 2, 2	2007-01-02
Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor Grant 7,151,436 - Fischer , et al. December 19, 2	2006-12-19
Selection method for data communication between base station and transponders App 20060198327 - Friedrich; Ulrich	2006-09-07
Method for selecting transponders Grant 7,102,488 - Friedrich September 5, 2	2006-09-05
Method and device for data transmission App 20060153123 - Friedrich; Ulrich	2006-07-13
Method for wireless data transmission App 20060125598 - Fischer; Martin ; et al.	2006-06-15
Method for locating a backscatter-based transponder App 20060125605 - Fischer; Martin ; et al.	2006-06-15
Integrated circuit for a transponder Grant 7,049,958 - Fischer , et al. May 23, 2	2006-05-23
Method for selecting one or more transponders App 20060044114 - Friedrich; Ulrich ; et al.	2006-03-02
Semiconductor structure App 20060028318 - Friedrich; Ulrich	2006-02-09
Communication method in RFID or remote sensor systems App 20050242927 - Friedrich, Ulrich	2005-11-03
Method for data communication between a base station and a transponder App 20050231329 - Friedrich, Ulrich	2005-10-20
Method for selecting one or more transponders App 20050231327 - Friedrich, Ulrich ; et al.	2005-10-20
Security device for a transponder App 20050231369 - Friedrich, Ulrich ; et al.	2005-10-20
Method for wireless data transmission App 20050232221 - Friedrich, Ulrich	2005-10-20
Method and apparatus for wireless data transmission App 20050232369 - Friedrich, Ulrich	2005-10-20
Method and apparatus for data communication between a base station and a transponder App 20050233696 - Friedrich, Ulrich	2005-10-20
Tuned antenna resonant circuit of a passive transponder Grant 6,952,560 - Feibig , et al. October 4, 2	2005-10-04
Method and apparatus for improving wireless data transmission App 20050212693 - Friedrich, Ulrich	2005-09-29
Integrated circuit App 20050212090 - Friedrich, Ulrich ; et al.	2005-09-29
Data transmission method and apparatus in RFID and remote sensor systems App 20050212661 - Friedrich, Ulrich	2005-09-29
Method for wireless data transmission App 20050210360 - Friedrich, Ulrich	2005-09-22
Method for data transmission in RFID or remote sensor systems App 20050206552 - Friedrich, Ulrich	2005-09-22
Method and modulation control device for wireless data transmission App 20050207391 - Friedrich, Ulrich	2005-09-22
Circuit arrangement and method for deriving electrical power from an electromagnetic field Grant 6,940,467 - Fischer , et al. September 6, 2	2005-09-06
Method for transmitting data App 20050180380 - Friedrich, Ulrich	2005-08-18
Method and circuit arrangement for wireless data transmission App 20050168324 - Fischer, Martin ; et al.	2005-08-04
Method for selecting transponders App 20050128130 - Friedrich, Ulrich	2005-06-16
Circuit arrangement and method for increasing the functional range of a transponder App 20050122651 - Fischer, Martin ; et al.	2005-06-09
Method for transmitting data between a base station and a transponder App 20050094720 - Friedrich, Ulrich ; et al.	2005-05-05
Method for selecting one or several transponders App 20050083178 - Friedrich, Ulrich	2005-04-21
Integrated receiving/backscattering arrangement for contactless data transmission Grant 6,870,461 - Fischer , et al. March 22, 2	2005-03-22
Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information App 20050053024 - Friedrich, Ulrich	2005-03-10
Method for selecting one or more transponders App 20050024186 - Friedrich, Ulrich	2005-02-03
Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration App 20050018639 - Friedrich, Ulrich ; et al.	2005-01-27
Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder App 20040257293 - Friedrich, Ulrich ; et al.	2004-12-23
Circuit arrangement and method for phase modulation in a backscattering transponder App 20040257220 - Fischer, Martin ; et al.	2004-12-23
Integrated circuit for a transponder App 20040245344 - Fischer, Martin ; et al.	2004-12-09
Circuit arrangement and method for deriving electrical power from an electromagnetic field App 20040155754 - Fischer, Martin ; et al.	2004-08-12
Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor App 20040145452 - Fischer, Martin ; et al.	2004-07-29
Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters App 20030133435 - Friedrich, Ulrich	2003-07-17
Integrated receiving/backscattering arrangement for contactless data transmission App 20030102961 - Fischer, Martin ; et al.	2003-06-05
Method for tuning an antenna resonant circuit of a passive transponder App 20020171602 - Feibig, Cordula ; et al.	2002-11-21
Method for transmitting a plurality of information symbols App 20020044595 - Friedrich, Ulrich	2002-04-18
Method for transmission of data App 20010019303 - Bruhnke, Michael ; et al.	2001-09-06

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