This inventor holds 1 USPTO granted patent. Top assignee: Hewlett-Packard Company. Active years: 2001.
Company Filing History:
Years Active: 2001
Title: Arezou Zarafshan: Innovator in Thermal Printing Technology
Introduction
Arezou Zarafshan is a notable inventor based in Portland, OR (US). She has made significant contributions to the field of thermal printing technology. Her innovative approach has led to the development of a unique method for controlling pen temperature in thermal printers.
Latest Patents
Zarafshan holds a patent for a "Method and apparatus for pen temperature control in a thermal printer." This invention involves a pen controller that generates a pulse width modulated (PWM) signal based on a reference voltage. The PWM signal is filtered to produce a voltage that varies with the duty cycle of the PWM signal. A temperature sensing resistor on the pen generates a second voltage that varies with the pen's temperature. A comparator is utilized to compare these two voltages, ensuring the pen reaches the proper temperature for optimal printing. The printer is calibrated to account for variations in the fabrication process, allowing for precise control over the printing temperature.
Career Highlights
Zarafshan is currently employed at Hewlett-Packard Company, where she continues to innovate in the field of printing technology. Her work has been instrumental in enhancing the performance and reliability of thermal printers.
Collaborations
Throughout her career, Zarafshan has collaborated with esteemed colleagues, including Greg P Pietz and Paul D Bliley. These collaborations have further enriched her contributions to the field.
Conclusion
Arezou Zarafshan's innovative work in thermal printing technology exemplifies her commitment to advancing the industry. Her patent for pen temperature control showcases her ability to solve complex problems and improve printing efficiency.