Location History:
- Bradley Stoke, GB (2004)
- Gifford Bristol, GB (2019)
- Bristol, GB (2001 - 2020)
Company Filing History:
11 out of 27,394 
3 out of 5,249 
1 out of 9,638 
Years Active: 2001-2020
Title: The Innovative Mind of Andrew Hana
Introduction
Andrew Hana is a prominent inventor based in Bristol, GB. He has made significant contributions to the field of technology, holding a total of 16 patents. His work primarily focuses on advancements in optical modulation and non-volatile memory systems.
Latest Patents
One of Andrew's latest patents is the "Digital implementation of closed loop optical modulation amplitude controller for laser diode." This invention features an OMA controller circuit that utilizes a first ADC to receive a residual error signal, indicating a difference between a monitoring signal and a target data signal. A second ADC is employed to receive the target data signal. The design includes a first digital filter connected to the first ADC and a second digital filter linked to the second ADC. A digital multiplier performs cross-correlation on the residual error and the target data signal, while an integrator provides an average error signal with both sign and magnitude.
Another notable patent is for a "Non-volatile memory to store resettable data." This invention involves a non-volatile memory (NVM) designed to store data and a first password for protection. A controller selectively enables interaction with the data based on authenticating the first password against a second password. The system includes a temporary region for the second password, which is discarded upon a status change of the apparatus. The controller can reset the data, first password, and second password in response to a reset request, allowing the apparatus to return to an unused state without needing to authenticate the first password.
Career Highlights
Andrew has worked with notable companies such as Hewlett-Packard Development Company, L.P. and Hewlett Packard Enterprise Development LP. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Throughout his career, Andrew has collaborated with talented individuals, including Gregory Keith Trezise and Jonathan Peter Buckingham. These partnerships have fostered a creative environment that has led to groundbreaking inventions.
Conclusion
Andrew Hana's contributions to technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the field. His work continues to influence the industry and inspire future inventors.
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