| 5793210 |
Low noise MRI scanner |
Robert Arvin Hedeen, Robert J. Dobberstein, Thomas Ebben, Scott T. Mansell, Kemakolam M. Obasih +3 more |
1998-08-11 |
| 5789678 |
Method for reducing noise and/or vibration from multiple rotating machines |
— |
1998-08-04 |
| 5726617 |
Electrical transformer with reduced core noise |
Imdad Imam, Frank Albert Pitman, Jr., Stephen Linwood Smith |
1998-03-10 |
| 5724017 |
Electrical transformer with reduced core noise |
Imdad Imam, Frank Albert Pitman, Jr., Stephen Linwood Smith |
1998-03-03 |
| 5710533 |
Electrical transformer with reduced fan noise |
Imdad Imam, Robert Arvin Hedeen, Frank Albert Pitman, Jr., Stephen Linwood Smith |
1998-01-20 |
| 5650623 |
Perimeter sensing device |
Ravi Rajamani |
1997-07-22 |
| 5618010 |
Active noise control using a tunable plate radiator |
Harindra Rajiyah |
1997-04-08 |
| 5590849 |
Active noise control using an array of plate radiators and acoustic resonators |
— |
1997-01-07 |
| 5584447 |
Noise control using a plate radiator and an acoustic resonator |
— |
1996-12-17 |
| 5558298 |
Active noise control of aircraft engine discrete tonal noise |
Harindra Rajiyah |
1996-09-24 |
| 5479813 |
Sensor matching through real-time output compensation |
Robert Arvin Hedeen |
1996-01-02 |
| 5463893 |
Sensor matching through real-time output compensation |
Robert Arvin Hedeen |
1995-11-07 |
| 5458222 |
Active vibration control of structures undergoing bending vibrations |
Harindra Rajiyah |
1995-10-17 |
| 5423658 |
Active noise control using noise source having adaptive resonant frequency tuning through variable ring loading |
Harindra Rajiyah, Anthony A. Renshaw, Robert Arvin Hedeen |
1995-06-13 |
| 5419198 |
Electronic signal enhancement and separation for machinery diagnostics |
— |
1995-05-30 |
| 5415522 |
Active noise control using noise source having adaptive resonant frequency tuning through stress variation |
Harindra Rajiyah, Anthony A. Renshaw, Robert Arvin Hedeen |
1995-05-16 |
| 5402669 |
Sensor matching through source modeling and output compensation |
Robert Arvin Hedeen |
1995-04-04 |
| 5391053 |
Active noise control using noise source having adaptive resonant frequency tuning through variable panel loading |
Harindra Rajivah, Anthony A. Renshaw, Robert Arvin Hedeen |
1995-02-21 |
| 5388956 |
Fan assembly and method for reducing fan noise |
Robert Arvin Hedeen |
1995-02-14 |
| 5382134 |
Active noise control using noise source having adaptive resonant frequency tuning through stiffness variation |
Harindra Rajiyah, Anthony A. Renshaw, Robert Arvin Hedeen |
1995-01-17 |
| 5370340 |
Active control of aircraft engine noise using vibrational inputs |
— |
1994-12-06 |
| 5221185 |
Method and apparatus for synchronizing rotating machinery to reduce noise |
George Charles Goodman |
1993-06-22 |
