| 11907779 |
Passive-radio frequency blocking of side-lobe reads |
— |
2024-02-20 |
| 11763650 |
Foreign RFID tag discrimination and management |
John C. Y. Huang, Tamlyn J. Jones, Eric Riggert, Glen Ouellette, Steve E. Trivelpiece |
2023-09-19 |
| 11594115 |
Methods and apparatuses for determining a position of a security tag |
Steve E. Trivelpiece, David Torrecilla, Manuel A. Soto, Adam S. Bergman |
2023-02-28 |
| 11568160 |
Methods and systems for classifying tag status in a retail environment |
Adam S. Bergman, Steve E. Trivelpiece, Eric Riggert |
2023-01-31 |
| 11544984 |
Systems and methods for location identification and tracking using a camera |
Steve E. Trivelpiece, David Gathright |
2023-01-03 |
| 10733862 |
Foreign RFID tag discrimination and management |
John C. Y. Huang, Tamlyn J. Jones, Eric Riggert, Glen Ouellette, Steve E. Trivelpiece |
2020-08-04 |
| 10318779 |
Systems and methods for robust protection of item authentication, tracking and tracing against tag duplication |
— |
2019-06-11 |
| 9778343 |
Systems and methods for locating tags within a space |
David Gathright |
2017-10-03 |
| 8736423 |
RFID network control and redundancy |
Richard Campero, Craig E. Trivelpiece, Steve E. Trivelpiece |
2014-05-27 |
| 8497762 |
Network control |
Richard Campero, Paul B. Rasband, Steve E. Trivelpiece, Tim Von Kaenel |
2013-07-30 |
| 8138891 |
RFID network control and redundancy |
Richard Campero, Craig E. Trivelpiece, Steve E. Trivelpiece |
2012-03-20 |
| 5406627 |
Digital data cryptographic system |
John R. Thompson, C. J. Hunting, William L. Phipps, Philip H. Rittmueller |
1995-04-11 |
| 5267312 |
Audio signal cryptographic system |
John R. Thompson, C. J. Hunting, William L. Phipps, Philip H. Rittmueller |
1993-11-30 |
| 5185794 |
System and method for scrambling and/or descrambling a video signal |
John R. Thompson, C. J. Hunting, William L. Phipps, Philip H. Rittmueller |
1993-02-09 |
| 5166976 |
System and method for detection of a pulse within a video signal |
John R. Thompson, C. J. Hunting, William L. Phipps, Philip H. Rittmueller |
1992-11-24 |
| 5091938 |
System and method for transmitting entertainment information to authorized ones of plural receivers |
John R. Thompson, C. J. Hunting, William L. Phipps, Philip H. Rittmueller |
1992-02-25 |