Company Filing History:
Years Active: 2019-2021
Title: Amr A. Hafez: Innovator and Patent Holder in Advanced Circuitry
Introduction
Amr A. Hafez is a prominent inventor based in Santa Clara, CA. With a strong focus on electrical engineering and circuit design, he has contributed significantly to the field through his inventive work. He currently holds two patents that showcase his ingenuity and technical expertise.
Latest Patents
Among his notable inventions, Amr A. Hafez has developed the following patents:
1. **PTAT Ring Oscillator Circuit**
This innovative circuit produces an output signal with a frequency proportional to absolute temperature (PTAT). The design incorporates a ring oscillator and a bias current circuit that are closely positioned. The bias current circuit generates a bias current based on the circuit's temperature, and this current is utilized by the ring oscillator. As a result, the frequency of the output signal from the ring oscillator correlates with the temperature of the circuit.
2. **Digital Sensor with Embedded Reference Clock**
This patent describes a sensor circuit that features first and second ring oscillators of distinct circuit topologies. The configuration includes two counters receiving output signals from each ring oscillator, alongside a local clock circuit that provides a clock signal exclusively to the circuitry within the sensor circuit.
Career Highlights
Amr A. Hafez is currently affiliated with Apple Inc., a leading technology company renowned for its advancements and innovations in electronics. His work involves cutting-edge research and development, particularly in the realm of electronic circuit design.
Collaborations
Throughout his career, Amr has collaborated with esteemed colleagues, including Jafar Savoj and Ramy A. Ahmed. These partnerships have likely contributed to enriching his innovative projects and enhancing the overall research environment.
Conclusion
Amr A. Hafez exemplifies the spirit of innovation through his impactful contributions to circuit technology. With patents that address critical elements of temperature sensitivity and digital sensing, his work continues to influence the field and inspire future advancements in electronic engineering.