Frederick; Thomas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frederick; Thomas J..The latest application filed is for "rfid antenna multiplexers".
Company Profile
4.35.37
- Frederick; Thomas J. - Chapel Hill NC
- Frederick; Thomas J. - Coconut Creek FL
- Frederick; Thomas J. - Tucson AZ
Patent Activity
| Patent | Date |
|---|---|
| RFID antenna multiplexers Grant 11,227,131 - Frederick , et al. January 18, 2 | 2022-01-18 |
| Rfid Antenna Multiplexers App 20210342559 - Frederick; Thomas J. ; et al. | 2021-11-04 |
| Direct conversion polar transmitter for an RFID reader Grant 11,115,083 - Frederick September 7, 2 | 2021-09-07 |
| Mitigating Adjacent Rfid Reader Interference App 20210271947 - CRUICKSHANKS; George D. ; et al. | 2021-09-02 |
| Mitigating adjacent RFID reader interference Grant 11,023,799 - Cruickshanks , et al. June 1, 2 | 2021-06-01 |
| RF system using AM with orthogonal offset Grant 10,797,757 - Frederick October 6, 2 | 2020-10-06 |
| Direct Conversion Polar Transmitter For An Rfid Reader App 20200153484 - Frederick; Thomas J. | 2020-05-14 |
| Mitigating Adjacent Rfid Reader Interference App 20200082237 - CRUICKSHANKS; George D. ; et al. | 2020-03-12 |
| Polar transmitter using multi-phase buck converter Grant 10,540,526 - Frederick Ja | 2020-01-21 |
| RFID tag tracking using phase likelihood Grant 10,539,648 - Frederick Ja | 2020-01-21 |
| Polar Transmitter Using Multi-Phase Buck Converter App 20190372626 - Frederick; Thomas J. | 2019-12-05 |
| Mitigating adjacent RFID reader interference Grant 10,482,366 - Cruickshanks , et al. Nov | 2019-11-19 |
| Polar transmitter for an RFID reader Grant 10,387,691 - Frederick A | 2019-08-20 |
| Rf System Using Am With Orthogonal Offset App 20190222264 - Frederick; Thomas J. | 2019-07-18 |
| Mitigating Adjacent Rfid Reader Interference App 20190213457 - CRUICKSHANKS; George D. ; et al. | 2019-07-11 |
| Mitigating adjacent RFID reader interference Grant 10,235,616 - Cruickshanks , et al. | 2019-03-19 |
| RF system using PR-ASK with orthogonal offset Grant 10,230,429 - Frederick | 2019-03-12 |
| Mitigating Adjacent Rfid Reader Interference App 20180075333 - Cruickshanks; George D. ; et al. | 2018-03-15 |
| Rf System Using Pr-ask With Orthogonal Offset App 20180013469 - Frederick; Thomas J. | 2018-01-11 |
| Mitigating adjacent RFID reader interference Grant 9,824,309 - Cruickshanks , et al. November 21, 2 | 2017-11-21 |
| RF system using PR-ASK with orthogonal offset Grant 9,813,115 - Frederick November 7, 2 | 2017-11-07 |
| Rfid Tag Tracking Using Phase Likelihood App 20170199268 - Frederick; Thomas J. | 2017-07-13 |
| Passively coupled RFID receiver Grant 9,576,163 - Frederick February 21, 2 | 2017-02-21 |
| Polar Transmitter For Rfid Reader App 20170012675 - Frederick; Thomas J. | 2017-01-12 |
| Rf System Using Pr-ask With Orthogonal Offset App 20160344452 - Frederick; Thomas J. | 2016-11-24 |
| Mitigating Adjacent RFID Reader Interference App 20160307087 - Cruickshanks; George D. ; et al. | 2016-10-20 |
| System for object detection using radio frequency reflection Grant 9,441,939 - Frederick September 13, 2 | 2016-09-13 |
| Apparatus and method for metal detection using radio frequency reflection Grant 9,171,440 - Frederick October 27, 2 | 2015-10-27 |
| Passively Coupled Rfid Receiver App 20150227768 - Frederick; Thomas J. | 2015-08-13 |
| Object Detection And Estimation In Rfid Systems App 20140015546 - Frederick; Thomas J. | 2014-01-16 |
| Rf Metal Detector And Electronic Article Surveillance System Using Same App 20130169466 - Frederick; Thomas J. | 2013-07-04 |
| Pipelining processes in a RF reader Grant 8,248,212 - Frederick August 21, 2 | 2012-08-21 |
| Adjusting parameters associated with leakage signals Grant 8,226,003 - Frederick , et al. July 24, 2 | 2012-07-24 |
| Interrogating radio frequency tags Grant 8,228,173 - Missimer , et al. July 24, 2 | 2012-07-24 |
| Determining speeds of radio frequency tags Grant 8,169,312 - Frederick May 1, 2 | 2012-05-01 |
| Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system Grant 8,049,598 - Oakes , et al. November 1, 2 | 2011-11-01 |
| Converting Between Different Radio Frequencies App 20110205025 - Roesner; Bruce B. ; et al. | 2011-08-25 |
| Oversampling and digitally filtering RFID signals Grant 7,873,121 - Frederick , et al. January 18, 2 | 2011-01-18 |
| Reducing leakage noise in directly sampled radio frequency signals Grant 7,772,997 - Frederick , et al. August 10, 2 | 2010-08-10 |
| Determining Speeds Of Radio Frequency Tags App 20100176921 - Frederick; Thomas J. | 2010-07-15 |
| Adaptively transmitting a signal for activating a tag Grant 7,564,355 - Oakes , et al. July 21, 2 | 2009-07-21 |
| Methods And Apparatus For Arbitrary Antenna Phasing In An Electronic Article Surveillance System App 20090160650 - Oakes; Jeffrey T. ; et al. | 2009-06-25 |
| Directly sampling radio frequency signals Grant 7,545,306 - Frederick , et al. June 9, 2 | 2009-06-09 |
| Wireless synchronized operation of pulsed EAS systems Grant 7,535,338 - Frederick , et al. May 19, 2 | 2009-05-19 |
| Sampling Intermediate Radio Frequencies App 20090121844 - Repke; Joseph P. ; et al. | 2009-05-14 |
| Reducing Leakage Noise In Directly Sampled Radio Frequency Signals App 20090050685 - Frederick; Thomas J. ; et al. | 2009-02-26 |
| Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system Grant 7,495,565 - Oakes , et al. February 24, 2 | 2009-02-24 |
| Directly Sampling Radio Frequency Signals App 20090040084 - Frederick; Thomas J. ; et al. | 2009-02-12 |
| Pipelining Processes In A Rf Reader App 20080290996 - Frederick; Thomas J. | 2008-11-27 |
| Active transmitter ringdown for switching power amplifier Grant 7,444,120 - Herring , et al. October 28, 2 | 2008-10-28 |
| Interrogating Radio Frequency Tags App 20080150692 - Missimer; David Ross ; et al. | 2008-06-26 |
| Electronic articles surveillance system synchronization using global positioning satellite signal App 20080107219 - Oakes; Jeffrey T. ; et al. | 2008-05-08 |
| Adjusting Parameters Associated With Leakage Signals App 20080041953 - Frederick; Thomas J. ; et al. | 2008-02-21 |
| Wireless synchronized operation of pulsed EAS systems App 20070296591 - Frederick; Thomas J. ; et al. | 2007-12-27 |
| Oversampling And Digitally Filtering Rfid Signals App 20070291884 - Frederick; Thomas J. ; et al. | 2007-12-20 |
| Closed loop transmitter control for power amplifier in an EAS system Grant 7,301,459 - Frederick , et al. November 27, 2 | 2007-11-27 |
| Automatic wireless synchronization of electronic article surveillance systems Grant 7,212,117 - Frederick , et al. May 1, 2 | 2007-05-01 |
| Adaptively transmitting a signal for activating a tag App 20060220792 - Oakes; Jeffrey T. ; et al. | 2006-10-05 |
| Closed loop transmitter control for power amplifier in an EAS system App 20050253719 - Frederick, Thomas J. ; et al. | 2005-11-17 |
| Active transmitter ringdown for switching power amplifier App 20050253721 - Herring, Richard L. ; et al. | 2005-11-17 |
| Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system App 20050253720 - Oakes, Jeffrey T. ; et al. | 2005-11-17 |
| Electronic article surveillance system stationary tag response canceller Grant 6,947,860 - Frederick , et al. September 20, 2 | 2005-09-20 |
| Differentially coherent combining for electronic article surveillance systems Grant 6,906,629 - Frederick June 14, 2 | 2005-06-14 |
| Differentially coherent combining for electronic article surveillance systems App 20040145478 - Frederick, Thomas J. | 2004-07-29 |
| Digital detection filters for electronic article surveillance Grant 6,700,490 - Frederick March 2, 2 | 2004-03-02 |
| Electronic article surveillance system stationary tag response canceller App 20040036606 - Frederick, Thomas J. ; et al. | 2004-02-26 |
| Automatic wireless synchronization of electronic article surveillance systems App 20020135480 - Frederick, Thomas J. ; et al. | 2002-09-26 |
| Digital detection filters for electronic article surveillance App 20020135482 - Frederick, Thomas J. | 2002-09-26 |
| Method and apparatus for detecting an EAS marker using a neural network processing device Grant 5,537,094 - Bettine , et al. July 16, 1 | 1996-07-16 |
| Semiconductor device inspection template Grant 5,060,389 - Frederick October 29, 1 | 1991-10-29 |
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