| 10473727 |
Early power failure detection circuit |
William John Testin |
2019-11-12 |
| 9729009 |
Systems and methods for remotely controlling a wall socket |
Darren Fritsch, James Edward McIntyre, Austin Kirchhoff, James Joseph Hartmann, Jeff Seese |
2017-08-08 |
| 9685896 |
Stepper motor control and fire detection system |
Michael D. Dortch, Larry J. Price, Shaun Greene |
2017-06-20 |
| 9390604 |
Fire detection system |
Michael D. Dortch, Larry J. Price, Shaun Greene, Bryce Lembke |
2016-07-12 |
| 9356472 |
Systems and methods for remotely controlling a wall socket |
Darren Fritsch, James Edward McIntyre, Austin Kirchhoff, James Joseph Hartmann, Jeff Seese |
2016-05-31 |
| 8894831 |
Printed memory on strip |
Michael J. Celentano, Herbert Harttig |
2014-11-25 |
| 7818794 |
Data traffic filtering indicator |
— |
2010-10-19 |
| 7741828 |
Power disturbance detection circuit and method |
— |
2010-06-22 |
| 7574494 |
User interface for a bi-directional communication system |
Mark Mayernick, Peter Polit, Suresh Kumar Natarajan |
2009-08-11 |
| 7184544 |
Device and method for detecting presence of service on telephone line |
Blaine Edward Ramey |
2007-02-27 |
| 7076530 |
Multiple function modem including external memory adapter |
Steve Betz |
2006-07-11 |
| 6940970 |
Ring boost circuit to extend ringing range of telephone SLICs |
— |
2005-09-06 |
| 6304654 |
Telephone handset interface with feedback control |
— |
2001-10-16 |
| 5901212 |
Apparatus for blocking voice band signals when receiving caller identification information for a waiting call |
Robert Clair True |
1999-05-04 |
| 5867573 |
Telephone handset interface with feedback control |
— |
1999-02-02 |
| 5850156 |
Processor supervisory circuit and method having increased range of power-on reset signal stability |
— |
1998-12-15 |
| 5771285 |
Circuit and method for detecting telephone line status and telephone instrument embodying the same |
— |
1998-06-23 |
| 5694460 |
Circuit and method for reducing common mode interference in telephone instruments |
— |
1997-12-02 |
| 5388153 |
Apparatus and method for detecting telephone line status |
Theodore O. Burger, John A. Karpicke, Donald Marion Keen, Donald R. Means, Thomas Anthony Stahl |
1995-02-07 |
| 5251179 |
Apparatus and method for extending battery life |
— |
1993-10-05 |
| 5121426 |
Loudspeaking telephone station including directional microphone |
John Charles Baumhauer, Jr., Jeffrey Phillip McAteer |
1992-06-09 |
| 4980778 |
Method for correcting nonuniformities in pixel output level for a line scanner |
— |
1990-12-25 |
| 4539552 |
Digital-to-analog converter |
Paul C. Davis, Raymond G. Jackson, Joseph J. Nahas, Dale H. Nelson, DeWitt G. Ong |
1985-09-03 |
| 4352958 |
Electronically-switched multifrequency generator with transducer control |
Paul C. Davis, Raymond G. Jackson, Joseph J. Nahas, Dale H. Nelson, DeWitt G. Ong |
1982-10-05 |