D. Michael Shields
24Patents
4h-index
7Co-inventors
52Inventor score
Filing activity: Feb 23, 2005 → Jan 5, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD572236S1 | Spherically shaped loudspeaker | General | 10 | Expired |
| USD541258S1 | Loudspeaker system | General | 8 | Expired |
| US7796775B2 | Spherically housed loudspeaker system | Electricity | 6 | Active |
| US8103007B2 | System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces | Electricity | 5 | Active |
| US8144900B2 | Speaker system | Electricity | 4 | Active |
| US7672472B2 | Audio transducer | Electricity | 4 | Active |
| US7639147B2 | System and method of acoustic detection and location of audible alarm devices | Physics | 4 | Active |
| US8098833B2 | System and method for dynamic modification of speech intelligibility scoring | Physics | 2 | Active |
| US7433821B2 | Methods and systems for intelligibility measurement of audio announcement systems | Electricity | 2 | Expired |
| US8359965B2 | Apparatus and method for broad spectrum radiation attenuation | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8687818B2 | Method for dynamically adjusting the spectral content of an audio signal | Electricity | 1 | Active |
| US8094868B2 | Non-directional transducer | Electricity | 1 | Active |
| US7899192B2 | Method for dynamically adjusting the spectral content of an audio signal | Electricity | 1 | Active |
| US8098849B2 | Low frequency equalization for loudspeaker system | Electricity | 1 | Active |
| US8850947B2 | Apparatus and method for broad spectrum radiation attenuation | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8611557B2 | Method and apparatus for audio processing | Electricity | 1 | Active |
| US9605928B2 | Apparatus and method for broad spectrum radiation attenuation | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8824724B2 | Audio transducer | Electricity | 0 | Active |
| US8885869B2 | Non-directional transducer | Electricity | 0 | Active |
| US8422713B2 | Spherically housed loudspeaker system | Electricity | 0 | Active |
| US9407988B2 | Method and apparatus for audio processing | Electricity | 0 | Active |
| US9584904B2 | Spherically housed loudspeaker system | Electricity | 0 | Active |
| US8929560B2 | Method and apparatus for audio processing | Electricity | 0 | Active |
| US8948273B2 | Method and apparatus for wired signal transmission | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.