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| Number | Title | Issue Date |
| 6212427 | Heart rate variability feedback monitor system A system monitors surface heart rate variability (HRV) activity of a user and provides appropriate feedback to the user. The HRV feedback monitor is sized and configured to be worn by the user. In the depicted embodiment, heart rate variability is measure... | 04/03/2001 |
| 6162183 | Respiration feedback monitor system A system to monitor respiration activity of a user and provide appropriate feedback to the user includes a respiration feedback monitor sized and configured to be worn by the user. In the depicted embodiment, respiration activity is measured with componen... | 12/19/2000 |
| 6076011 | Electromyographic feedback monitor system A system to monitor surface electromyographic (EMG) activity of a user and provide appropriate feedback to the user includes an EMG feedback monitor sized and configured to be worn by the user. In the depicted embodiment, surface EMG activity is measured ... | 06/13/2000 |
