LexDanaLexDanabeta
Inventor

Ulrich Friedrich

Inventor
Ellhofen, DE

Overview

59→
Patents
2002–2017
Patent span
Physics
Primary field (CPC G)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Kprimary
G06KGraphical data reading52%
H04LTransmission of digital information, e.g. telegraphic communication15%
H04BTransmission5%
G06FElectric digital data processing4%
G01SRadio direction-finding3%
H04QSelecting3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
G07FCoin-freed or like apparatus2%
H04JMultiplex communication2%
H04WWireless communication networks2%
PatentTitleYear
9,806,748'Transponder with receiving means having a low electrical consumption in a listening mode'20179,661,401'Locating a backscatter-based transponder'20179,317,981'Method and device for protecting products against counterfeiting'20169,224,020'Method, transponder, and circuit for selecting one or more transponders'20159,197,341'Method, apparatus, and logic for wireless data transmission'20159,165,169'Method for data communication between a base station and a transponder'20158,761,149'Method for data communication between a base station and a transponder'20148,643,472'Locating a backscatter-based transponder'20148,638,195'Method, transponder, and circuit for selecting one or more transponders'20148,634,401'Method for data communication between a base station and a transponder'20148,577,295'Method and apparatus for data communication between a base station and a transponder'20138,553,674'Method for wireless data transmission'20138,552,837'Data transmission method and apparatus in RFID and remote sensor systems'20138,477,017'Method, system, and integrated circuit for communication in RFID or remote sensor systems'20138,368,516'Secure data exchange with a transponder'20138,315,276'Transmitting data between a base station and a transponder'20128,296,852'Transponder, RFID system, and method for RFID system with key management'20128,284,030'Method and device for recognizing functional states in RFID or remote sensor systems'20128,274,370'Modulator and modulation method for a wireless data transmission device'20128,254,841'Method and apparatus for data communication between a base station and a transponder'20128,244,786'Device and method for generating a random number'20128,183,983'Method for the at least temporary activation of bidirectional communication and transponder'20128,160,253'Method, transponder, and system for rapid data transmission'20128,138,889'Method, transponder, and system for secure data exchange'20128,111,672'Method for data communication between a base station and a transponder'20128,054,162'Communication method in RFID or remote sensor systems'20118,013,716'Method for wireless data transmission'20117,999,659'Method for access control'20117,994,921'Method for wireless data transmission and a transponder'20117,986,653'Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information'20117,893,815'Method for selecting one or several transponders'20117,872,567'Method for transponder access control'20117,859,387'Backscatter transponder'20107,768,948'Method and device for data transmission'20107,733,217'Method for data transmission in RFID or remote sensor systems'20107,675,964'Method for transmitting a plurality of information symbols'20107,633,111'Semiconductor structure'20097,613,987'Method for wireless data transmission'20097,609,147'Method and apparatus for improving wireless data transmission'20097,592,919'Circuit arrangement for use in RF transponders and method for controlling a number of such transponders'20097,590,087'Methods for wireless data transmission between a base station and one or more transponders'20097,436,286'Circuit arrangement and method for increasing the functional range of a transponder'20087,385,950'Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters'20087,376,391'Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration'20087,359,472'Method and apparatus for wireless data transmission'20087,342,481'Method and circuit arrangement for wireless data transmission'20087,336,154'Method for selecting one or more transponders'20087,321,300'Security device for a transponder'20087,312,692'Method for selecting one or several transponders'20077,277,478'Method for transmitting data between a base station and a transponder'20077,173,519'Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder'20077,158,010'Circuit arrangement and method for phase modulation in a backscattering transponder'20077,151,436'Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor'20067,102,488'Method for selecting transponders'20067,049,958'Integrated circuit for a transponder'20066,952,560'Tuned antenna resonant circuit of a passive transponder'20056,940,467'Circuit arrangement and method for deriving electrical power from an electromagnetic field'20056,870,461'Integrated receiving/backscattering arrangement for contactless data transmission'20056,426,692'Data transfer method for a scanning identification system'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2009Patents assigned to ATMEL GERMANY GMBH (19)· patent assignee history
2002–2017Based in Ellhofen, DE· patent location history
2009–2011Patents assigned to ATMEL AUTOMOTIVE GMBH (9)· patent assignee history
2010–2015Based in Elhofen, DE· patent location history
2011–2017Patents assigned to ATMEL CORP (28)· patent assignee history
2012–2016Patents assigned to FRIEDRICH ULRICH (19)· patent assignee history
2012–2014Patents assigned to PANGELS MICHAEL (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATMEL CORP282011–2017
ATMEL GERMANY GMBH192002–2009
FRIEDRICH ULRICHself192012–2016
ATMEL AUTOMOTIVE GMBH92009–2011
PANGELS MICHAEL72012–2014
Locations
LocationPatentsSpan
Ellhofen, DE572002–2017
Elhofen, DE22010–2015