SHIELDS; D. MICHAEL
Patent Applications and Registrations
Patent applications and USPTO patent grants for SHIELDS; D. MICHAEL.The latest application filed is for "low frequency equalization for loudspeaker system".
Company Profile
0.35.44
- SHIELDS; D. MICHAEL - ST. PAUL MN US
Patent Activity
| Patent | Date |
|---|---|
| Low Frequency Equalization For Loudspeaker System App 20170111019 - OXFORD; J. CRAIG ; et al. | 2017-04-20 |
| Apparatus and method for broad spectrum radiation attenuation Grant 9,605,928 - Oxford , et al. March 28, 2 | 2017-03-28 |
| Method And Apparatus For Audio Processing App 20170069305 - OXFORD; J. CRAIG ; et al. | 2017-03-09 |
| Spherically housed loudspeaker system Grant 9,584,904 - Oxford , et al. February 28, 2 | 2017-02-28 |
| Method For Dynamically Adjusting The Spectral Content Of An Audio Signal App 20160294344 - OXFORD; J. CRAIG ; et al. | 2016-10-06 |
| Method and apparatus for audio processing Grant 9,407,988 - Oxford , et al. August 2, 2 | 2016-08-02 |
| Method And Apparatus For Wired Signal Transmission App 20150349843 - OXFORD; J. CRAIG ; et al. | 2015-12-03 |
| Method And Apparatus For Audio Processing App 20150271597 - OXFORD; J. CRAIG ; et al. | 2015-09-24 |
| Non-directional Transducer App 20150256910 - OXFORD; J. CRAIG ; et al. | 2015-09-10 |
| Method and apparatus for wired signal transmission Grant 8,948,273 - Oxford , et al. February 3, 2 | 2015-02-03 |
| Apparatus And Method For Broad Spectrum Radiation Attenuation App 20150020679 - OXFORD; J. CRAIG ; et al. | 2015-01-22 |
| Method and apparatus for audio processing Grant 8,929,560 - Oxford , et al. January 6, 2 | 2015-01-06 |
| Non-directional transducer Grant 8,885,869 - Oxford , et al. November 11, 2 | 2014-11-11 |
| Apparatus and method for broad spectrum radiation attenuation Grant 8,850,947 - Oxford , et al. October 7, 2 | 2014-10-07 |
| Audio transducer Grant 8,824,724 - Oxford , et al. September 2, 2 | 2014-09-02 |
| Method For Dynamically Adjusting The Spectral Content Of An Audio Signal App 20140211967 - OXFORD; J. CRAIG ; et al. | 2014-07-31 |
| Method And Apparatus For Audio Processing App 20140105409 - OXFORD; J. Craig ; et al. | 2014-04-17 |
| Method for dynamically adjusting the spectral content of an audio signal Grant 8,687,818 - Oxford , et al. April 1, 2 | 2014-04-01 |
| Apparatus And Method For Broad Spectrum Radiation Attenuation App 20140020550 - OXFORD; J. CRAIG ; et al. | 2014-01-23 |
| Method and apparatus for audio processing Grant 8,611,557 - Oxford , et al. December 17, 2 | 2013-12-17 |
| Spherically Housed Loudspeaker System App 20130301855 - OXFORD; J. CRAIG ; et al. | 2013-11-14 |
| Spherically housed loudspeaker system Grant 8,422,713 - Oxford , et al. April 16, 2 | 2013-04-16 |
| Apparatus and method for broad spectrum radiation attenuation Grant 8,359,965 - Oxford , et al. January 29, 2 | 2013-01-29 |
| Speaker system Grant 8,144,900 - Oxford , et al. March 27, 2 | 2012-03-27 |
| System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces Grant 8,103,007 - Shields , et al. January 24, 2 | 2012-01-24 |
| Low frequency equalization for loudspeaker system Grant 8,098,849 - Oxford , et al. January 17, 2 | 2012-01-17 |
| System and method for dynamic modification of speech intelligibility scoring Grant 8,098,833 - Zumsteg , et al. January 17, 2 | 2012-01-17 |
| Non-directional transducer Grant 8,094,868 - Oxford , et al. January 10, 2 | 2012-01-10 |
| Method For Dynamically Adjusting The Spectral Content Of An Audio Signal App 20110255701 - OXFORD; J. CRAIG ; et al. | 2011-10-20 |
| Method For Dynamically Adjusting The Spectral Content Of An Audio Signal App 20110153314 - Oxford; J. Craig ; et al. | 2011-06-23 |
| Spherically Housed Loudspeaker System App 20110096947 - OXFORD; J. CRAIG ; et al. | 2011-04-28 |
| Method for dynamically adjusting the spectral content of an audio signal Grant 7,899,192 - Oxford , et al. March 1, 2 | 2011-03-01 |
| Audio Transducer App 20100284560 - OXFORD; J. CRAIG ; et al. | 2010-11-11 |
| Method And Apparatus For Enhanced Stimulation Of The Limbic Auditory Response App 20100246880 - OXFORD; J. CRAIG ; et al. | 2010-09-30 |
| Spherically housed loudspeaker system Grant 7,796,775 - Oxford , et al. September 14, 2 | 2010-09-14 |
| Audio transducer Grant 7,672,472 - Oxford , et al. March 2, 2 | 2010-03-02 |
| System and method of acoustic detection and location of audible alarm devices Grant 7,639,147 - Berezowski , et al. December 29, 2 | 2009-12-29 |
| Method and apparatus for wired signal transmission App 20090074102 - Oxford; J. Craig ; et al. | 2009-03-19 |
| Apparatus and method for broad spectrum radiation attenuation App 20090071322 - Oxford; J. Craig ; et al. | 2009-03-19 |
| Method And Apparatus For Audio Processing App 20090046871 - Oxford; J. Craig ; et al. | 2009-02-19 |
| Method and apparatus for dynamically adjusting the spectral content of an audio signal App 20080267418 - Oxford; J. Craig ; et al. | 2008-10-30 |
| Methods and systems for intelligibility measurement of audio announcement systems Grant 7,433,821 - Obranovich , et al. October 7, 2 | 2008-10-07 |
| Spherically shaped loudspeaker Grant D572,236 - Oxford , et al. July 1, 2 | 2008-07-01 |
| Navigation using tracking system multi-function devices App 20070294032 - Zumsteg; Philip J. ; et al. | 2007-12-20 |
| Method for dynamically adjusting the spectral content of an audio signal App 20070253563 - Oxford; J. Craig ; et al. | 2007-11-01 |
| Method and apparatus for dynamically adjusting the spectral content of an audio signal App 20070248233 - Oxford; J. Craig ; et al. | 2007-10-25 |
| System And Method For Dynamic Modification Of Speech Intelligibility Scoring App 20070192098 - Zumsteg; Philip J. ; et al. | 2007-08-16 |
| Low frequency equalization for loudspeaker system App 20070172081 - Oxford; J. Craig ; et al. | 2007-07-26 |
| Low frequency equalization for loudspeaker system App 20070172082 - Oxford; J. Craig ; et al. | 2007-07-26 |
| System and method of acoustic detection and location of audible alarm devices App 20070152809 - Berezowski; Andrew G. ; et al. | 2007-07-05 |
| Non-directional transducer App 20070154038 - Oxford; J. Craig ; et al. | 2007-07-05 |
| Audio transducer App 20070154028 - Oxford; J. Craig ; et al. | 2007-07-05 |
| Spherically housed loudspeaker system App 20070154044 - Oxford; J. Craig ; et al. | 2007-07-05 |
| System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces App 20070147625 - Shields; D. Michael ; et al. | 2007-06-28 |
| Loudspeaker system Grant D541,258 - Oxford , et al. April 24, 2 | 2007-04-24 |
| Speaker system App 20060151237 - Oxford; J. Craig ; et al. | 2006-07-13 |
| Methods and systems for intelligibility measurement of audio announcement systems App 20050216263 - Obranovich, Charles R. ; et al. | 2005-09-29 |
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