Thomas J. Frederick

Person

Chapel Hill, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Mitigating adjacent RFID reader interference
- Patent number 11,922,247
- Issue date Mar 5, 2024
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID antenna multiplexers
- Patent number 11,227,131
- Issue date Jan 18, 2022
- Clairvoyant Technology, Inc.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Direct conversion polar transmitter for an RFID reader
- Patent number 11,115,083
- Issue date Sep 7, 2021
- Clairvoyant Technology, Inc.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mitigating adjacent RFID reader interference
- Patent number 11,023,799
- Issue date Jun 1, 2021
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RF system using AM with orthogonal offset
- Patent number 10,797,757
- Issue date Oct 6, 2020
- Clairvoyant Technology, Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polar transmitter using multi-phase buck converter
- Patent number 10,540,526
- Issue date Jan 21, 2020
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID tag tracking using phase likelihood
- Patent number 10,539,648
- Issue date Jan 21, 2020
- Clarivoyant Technology LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Grant
Mitigating adjacent RFID reader interference
- Patent number 10,482,366
- Issue date Nov 19, 2019
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Polar transmitter for an RFID reader
- Patent number 10,387,691
- Issue date Aug 20, 2019
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mitigating adjacent RFID reader interference
- Patent number 10,235,616
- Issue date Mar 19, 2019
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RF system using PR-ASK with orthogonal offset
- Patent number 10,230,429
- Issue date Mar 12, 2019
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveform synthesis for RFID transmitters
- Patent number 10,205,622
- Issue date Feb 12, 2019
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas Frederick
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mitigating adjacent RFID reader interference
- Patent number 9,824,309
- Issue date Nov 21, 2017
- Neology, Inc.
- George D. Cruickshanks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RF system using PR-ASK with orthogonal offset
- Patent number 9,813,115
- Issue date Nov 7, 2017
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passively coupled RFID receiver
- Patent number 9,576,163
- Issue date Feb 21, 2017
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for object detection using radio frequency reflection
- Patent number 9,441,939
- Issue date Sep 13, 2016
- Clairvoyant Technology LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Grant
AC-coupled RFID system
- Patent number 9,430,924
- Issue date Aug 30, 2016
- Clairvoyant Technology LLC
- Thomas Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for metal detection using radio frequency refl...
- Patent number 9,171,440
- Issue date Oct 27, 2015
- Clairvoyant Technology LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Grant
Pipelining processes in a RF reader
- Patent number 8,248,212
- Issue date Aug 21, 2012
- Sirit Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interrogating radio frequency tags
- Patent number 8,228,173
- Issue date Jul 24, 2012
- Sirit Inc.
- David Ross Missimer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adjusting parameters associated with leakage signals
- Patent number 8,226,003
- Issue date Jul 24, 2012
- Sirit Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining speeds of radio frequency tags
- Patent number 8,169,312
- Issue date May 1, 2012
- Sirit Inc.
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for arbitrary antenna phasing in an electroni...
- Patent number 8,049,598
- Issue date Nov 1, 2011
- Sensormatic Electronics, LLC
- Jeffrey T. Oakes
- G08 - SIGNALLING
Information Patent Grant
Oversampling and digitally filtering RFID signals
- Patent number 7,873,121
- Issue date Jan 18, 2011
- Sirit Technologies, Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing leakage noise in directly sampled radio frequency signals
- Patent number 7,772,997
- Issue date Aug 10, 2010
- Sirit Technologies, Inc.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptively transmitting a signal for activating a tag
- Patent number 7,564,355
- Issue date Jul 21, 2009
- Sensormatic Electronics Corporation
- Jeffrey T. Oakes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directly sampling radio frequency signals
- Patent number 7,545,306
- Issue date Jun 9, 2009
- Sirit Technologies Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless synchronized operation of pulsed EAS systems
- Patent number 7,535,338
- Issue date May 19, 2009
- Sensormatic Electronics Corporation
- Thomas J. Frederick
- G08 - SIGNALLING
Information Patent Grant
Methods and apparatus for arbitrary antenna phasing in an electroni...
- Patent number 7,495,565
- Issue date Feb 24, 2009
- Sensomatic Electronics Corporation
- Jeffrey T. Oakes
- G08 - SIGNALLING
Information Patent Grant
Active transmitter ringdown for switching power amplifier
- Patent number 7,444,120
- Issue date Oct 28, 2008
- Sensormatic Electronics Corporation
- Richard L. Herring
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Integrated Noise-Canceling RFID Receiver
- Publication number 20230421204
- Publication date Dec 28, 2023
- Clairvoyant Technology, Inc.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RFID Portal Targeting
- Publication number 20230419057
- Publication date Dec 28, 2023
- Clairvoyant Technology, Inc.
- Scott McMillan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RFID ANTENNA MULTIPLEXERS
- Publication number 20210342559
- Publication date Nov 4, 2021
- Clairvoyant Technology, Inc.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MITIGATING ADJACENT RFID READER INTERFERENCE
- Publication number 20210271947
- Publication date Sep 2, 2021
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIRECT CONVERSION POLAR TRANSMITTER FOR AN RFID READER
- Publication number 20200153484
- Publication date May 14, 2020
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MITIGATING ADJACENT RFID READER INTERFERENCE
- Publication number 20200082237
- Publication date Mar 12, 2020
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Polar Transmitter Using Multi-Phase Buck Converter
- Publication number 20190372626
- Publication date Dec 5, 2019
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RF SYSTEM USING AM WITH ORTHOGONAL OFFSET
- Publication number 20190222264
- Publication date Jul 18, 2019
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MITIGATING ADJACENT RFID READER INTERFERENCE
- Publication number 20190213457
- Publication date Jul 11, 2019
- Neology, Inc.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MITIGATING ADJACENT RFID READER INTERFERENCE
- Publication number 20180075333
- Publication date Mar 15, 2018
- NEOLOGY, INC.
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WAVEFORM SYNTHESIS FOR RFID TRANSMITTERS
- Publication number 20180041372
- Publication date Feb 8, 2018
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF SYSTEM USING PR-ASK WITH ORTHOGONAL OFFSET
- Publication number 20180013469
- Publication date Jan 11, 2018
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RFID TAG TRACKING USING PHASE LIKELIHOOD
- Publication number 20170199268
- Publication date Jul 13, 2017
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Application
POLAR TRANSMITTER FOR RFID READER
- Publication number 20170012675
- Publication date Jan 12, 2017
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF SYSTEM USING PR-ASK WITH ORTHOGONAL OFFSET
- Publication number 20160344452
- Publication date Nov 24, 2016
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mitigating Adjacent RFID Reader Interference
- Publication number 20160307087
- Publication date Oct 20, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- George D. Cruickshanks
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WAVEFORM SYNTHESIS FOR RFID TRANSMITTERS
- Publication number 20160294601
- Publication date Oct 6, 2016
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PASSIVELY COUPLED RFID RECEIVER
- Publication number 20150227768
- Publication date Aug 13, 2015
- Clairvoyant Technology LLC
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AC-COUPLED RFID SYSTEM
- Publication number 20150130594
- Publication date May 14, 2015
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OBJECT DETECTION AND ESTIMATION IN RFID SYSTEMS
- Publication number 20140015546
- Publication date Jan 16, 2014
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Application
RF METAL DETECTOR AND ELECTRONIC ARTICLE SURVEILLANCE SYSTEM USING...
- Publication number 20130169466
- Publication date Jul 4, 2013
- CLAIRVOYANT TECHNOLOGY LLC
- Thomas J. Frederick
- G01 - MEASURING TESTING
Information Patent Application
CONVERTING BETWEEN DIFFERENT RADIO FREQUENCIES
- Publication number 20110205025
- Publication date Aug 25, 2011
- SIRIT TECHNOLOGIES INC.
- Bruce B. Roesner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINING SPEEDS OF RADIO FREQUENCY TAGS
- Publication number 20100176921
- Publication date Jul 15, 2010
- SIRIT TECHNOLOGIES INC.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS FOR ARBITRARY ANTENNA PHASING IN AN ELECTRONI...
- Publication number 20090160650
- Publication date Jun 25, 2009
- Jeffrey T. Oakes
- G08 - SIGNALLING
Information Patent Application
SAMPLING INTERMEDIATE RADIO FREQUENCIES
- Publication number 20090121844
- Publication date May 14, 2009
- SIRIT TECHNOLOGIES INC.
- Joseph P. Repke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCING LEAKAGE NOISE IN DIRECTLY SAMPLED RADIO FREQUENCY SIGNALS
- Publication number 20090050685
- Publication date Feb 26, 2009
- SIRIT TECHNOLOGIES INC.
- Thomas J. Frederick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIRECTLY SAMPLING RADIO FREQUENCY SIGNALS
- Publication number 20090040084
- Publication date Feb 12, 2009
- SIRIT TECHNOLOGIES INC.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIPELINING PROCESSES IN A RF READER
- Publication number 20080290996
- Publication date Nov 27, 2008
- SIRIT TECHNOLOGIES INC.
- Thomas J. Frederick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERROGATING RADIO FREQUENCY TAGS
- Publication number 20080150692
- Publication date Jun 26, 2008
- SIRIT TECHNOLOGIES INC.
- David Ross Missimer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic articles surveillance system synchronization using globa...
- Publication number 20080107219
- Publication date May 8, 2008
- Sensormatic Electronics Corporation
- Jeffrey T. Oakes
- G08 - SIGNALLING

Thomas J. Frederick

Person

Patents Grantslast 30 patents

Mitigating adjacent RFID reader interference

RFID antenna multiplexers

Direct conversion polar transmitter for an RFID reader

Mitigating adjacent RFID reader interference

RF system using AM with orthogonal offset

Polar transmitter using multi-phase buck converter

RFID tag tracking using phase likelihood

Mitigating adjacent RFID reader interference

Polar transmitter for an RFID reader

Mitigating adjacent RFID reader interference

RF system using PR-ASK with orthogonal offset

Waveform synthesis for RFID transmitters

Mitigating adjacent RFID reader interference

RF system using PR-ASK with orthogonal offset

Passively coupled RFID receiver

System for object detection using radio frequency reflection

AC-coupled RFID system

Apparatus and method for metal detection using radio frequency refl...

Pipelining processes in a RF reader

Interrogating radio frequency tags

Adjusting parameters associated with leakage signals

Determining speeds of radio frequency tags

Methods and apparatus for arbitrary antenna phasing in an electroni...

Oversampling and digitally filtering RFID signals

Reducing leakage noise in directly sampled radio frequency signals

Adaptively transmitting a signal for activating a tag

Directly sampling radio frequency signals

Wireless synchronized operation of pulsed EAS systems

Methods and apparatus for arbitrary antenna phasing in an electroni...

Active transmitter ringdown for switching power amplifier

Patents Applicationslast 30 patents

Integrated Noise-Canceling RFID Receiver

RFID Portal Targeting

RFID ANTENNA MULTIPLEXERS

MITIGATING ADJACENT RFID READER INTERFERENCE

DIRECT CONVERSION POLAR TRANSMITTER FOR AN RFID READER

MITIGATING ADJACENT RFID READER INTERFERENCE

Polar Transmitter Using Multi-Phase Buck Converter

RF SYSTEM USING AM WITH ORTHOGONAL OFFSET

MITIGATING ADJACENT RFID READER INTERFERENCE

MITIGATING ADJACENT RFID READER INTERFERENCE

WAVEFORM SYNTHESIS FOR RFID TRANSMITTERS

RF SYSTEM USING PR-ASK WITH ORTHOGONAL OFFSET

RFID TAG TRACKING USING PHASE LIKELIHOOD

POLAR TRANSMITTER FOR RFID READER

RF SYSTEM USING PR-ASK WITH ORTHOGONAL OFFSET

Mitigating Adjacent RFID Reader Interference

WAVEFORM SYNTHESIS FOR RFID TRANSMITTERS

PASSIVELY COUPLED RFID RECEIVER

AC-COUPLED RFID SYSTEM

OBJECT DETECTION AND ESTIMATION IN RFID SYSTEMS

RF METAL DETECTOR AND ELECTRONIC ARTICLE SURVEILLANCE SYSTEM USING...

CONVERTING BETWEEN DIFFERENT RADIO FREQUENCIES

DETERMINING SPEEDS OF RADIO FREQUENCY TAGS

METHODS AND APPARATUS FOR ARBITRARY ANTENNA PHASING IN AN ELECTRONI...

SAMPLING INTERMEDIATE RADIO FREQUENCIES

REDUCING LEAKAGE NOISE IN DIRECTLY SAMPLED RADIO FREQUENCY SIGNALS

DIRECTLY SAMPLING RADIO FREQUENCY SIGNALS

PIPELINING PROCESSES IN A RF READER

INTERROGATING RADIO FREQUENCY TAGS

Electronic articles surveillance system synchronization using globa...