Sakchi Sinha

Title: Sakchi Sinha: Inventor in Test and Measurement Technology

Introduction

Sakchi Sinha is an inventor based in Bengaluru, India, whose patent work focuses on signal processing for test and measurement systems. He is associated with Tektronix, Inc. His portfolio includes 2 patents addressing the demodulation of signals used in proximity-card testing.

Latest Patents

Sinha’s listed patents describe techniques for demodulating subcarrier signals in test and measurement systems.

“Methods and Systems of Phase Aligning a Replica Carrier Signal for Use in Demodulating a Subcarrier Signal” describes a system that acquires a modulated carrier signal generated through communication between a proximity coupling device and a proximity integrated circuit card. The demodulator identifies responses, determines their phase relative to a replica carrier signal, and adjusts the replica’s phase before down-converting and filtering the responses to recover the modulated subcarrier signal.

“BPSK Subcarrier Demodulation Using Direct Filters Without Down Conversion” presents an alternative approach for recovering a BPSK-modulated subcarrier. Instead of down-converting the wireless carrier, the system low-pass filters the acquired signal, detects amplitude peaks, and uses them to generate a BPSK-demodulated signal.

Career Highlights

Sinha’s patent work addresses practical signal-processing challenges in testing proximity-card communications. The two inventions describe complementary demodulation methods: one aligns a replica carrier before down-conversion, while the other uses direct filtering without down-conversion.

Collaborations

Sinha is associated with Tektronix, Inc. His listed coworkers include Archana I Akkalkot and Alka Kumari.

Conclusion

Sakchi Sinha’s patents contribute two distinct approaches to subcarrier demodulation, supporting the analysis of proximity-card signals in test and measurement systems.