Hariprasad Chandrakumar

Title: The Innovative Contributions of Hariprasad Chandrakumar

Introduction

Hariprasad Chandrakumar, an accomplished inventor based in Los Angeles, CA, has made significant strides in the field of neuromodulation systems and bio-signal recording technologies. Holding two patents to his name, he exemplifies the spirit of innovation that propels advancements in neuroscience and biomedical engineering.

Latest Patents

Chandrakumar's latest inventions include a "High input impedance, high dynamic range, common-mode-interferer tolerant sensing front-end for neuromodulation systems." This innovative system utilizes a feed-forward common-mode cancellation (CMC) path designed to attenuate common-mode artifacts at voltage inputs. This allows for the simultaneous recording of neural data while effectively stimulating neurons. His invention improves linear operation for differential signals even in the presence of common-mode swings at voltage levels.

Another significant patent is for a "High dynamic range sensing front-end for neural signal recording systems." This invention features a bio-signal amplifier that modulates the input signal to a specific chopping frequency, enhancing the efficiency of signal processing. The design includes a parallel-RC circuit to selectively block offset currents while providing amplified outputs with ripple-rejection. The invention also boasts an auxiliary path aimed at boosting input impedance, further refining the quality of recorded bio-signals.

Career Highlights

Chandrakumar is currently associated with the University of California, where he leverages his expertise in neuromodulation and bio-signal recording technologies. His work has made notable impacts in enhancing the precision of neural signal recordings, crucial for advancing neurological research and treatment options.

Collaborations

Within his professional journey, Hariprasad has worked closely with renowned researcher Dejan Markovic. Their collaborative efforts further emphasize the interdisciplinary nature of modern innovations in the fields of science and technology.

Conclusion

Hariprasad Chandrakumar stands out as a remarkable inventor, whose contributions through his patents are set to advance the fields of neuromodulation and bio-signal recording. His work not only demonstrates innovative thinking but also a commitment to enhancing our understanding and treatment of neural conditions, embodying the spirit of research and invention that drives progress in technology and healthcare.