This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Sony Corporation. Active years: 1995-2003.
Company Filing History:
Years Active: 1995-2003
Title: Takashi Tomida: Innovator in Shortwave Technology
Introduction
Takashi Tomida is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of shortwave technology, holding a total of 3 patents. His work focuses on enhancing the performance and usability of shortwave receivers.
Latest Patents
One of his latest inventions is a shortwave receiver and antenna adaptor. This innovative receiver demonstrates improved reception sensitivity, making it highly convenient for users. It is designed for the superheterodyne system and the PLL synthesizer system. The receiver includes a front end circuit that converts the received shortwave signal into an intermediate frequency signal. Additionally, it features a formation circuit that generates a tuning voltage to be applied to the variable capacity diode of the antenna module. This tuning voltage is adjusted based on the reception frequency, ensuring optimal performance for the received shortwave broadcasts.
Another significant patent is the double super-heterodyne receiver with low-pass and high-pass filters. This device incorporates a high-frequency input circuit that includes a high-frequency amplifying device, along with low-pass and high-pass filters. These components work together to achieve bandpass characteristics for the receiving band. A switching device is also included to change the cut-off frequency of the low-pass filter, which is controlled in response to the receiving frequency. This innovation improves the image disturbance characteristics of the receiver.
Career Highlights
Takashi Tomida is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop cutting-edge technologies that enhance the functionality of shortwave receivers.
Collaborations
Throughout his career, Takashi has collaborated with talented individuals such as Hiroshi Shirakawa and Mitsuharu Inada. These collaborations have contributed to the advancement of technology in the field of shortwave communication.
Conclusion
In summary, Takashi Tomida is a distinguished inventor whose work in shortwave technology has led to significant advancements. His innovative patents reflect his commitment to improving communication devices, making them more efficient and user-friendly.