Location History:
- Gunma-ken, JP (2002)
- Gunma, JP (1991 - 2007)
Company Filing History:
Years Active: 1991-2007
Title: The Innovations of Takao Saeki
Introduction
Takao Saeki is a prominent inventor based in Gunma, Japan. He has made significant contributions to the field of electronics, particularly in the development of circuits for mobile objects. With a total of 7 patents to his name, Saeki's work has had a lasting impact on technology.
Latest Patents
One of Saeki's latest patents is an automatic gain control circuit for a receive apparatus for a mobile object. This innovative circuit automatically controls the gain of a variable gain amplifier that amplifies signals received from an antenna installed in the mobile object. The circuit includes an intensity detector that measures the intensity of the received signal, a comparator that compares this intensity with first and second threshold voltages, and a controller that outputs a control signal to adjust the gain based on the comparator's results. This design ensures that the gain of the variable gain amplifier has a hysteresis effect relative to the intensity of the received signal.
Another notable patent is the phase shift circuit and FM detector circuit. In this invention, transistors operate with mutually opposite phase input signals. When the transistors turn on, capacitors discharge, and when they turn off, the capacitors are charged by a constant current from constant current sources. This process results in a gradually rising voltage at the positive input ends of comparators, allowing for the generation of signals that are delayed in phase by 90 degrees with respect to the input signals.
Career Highlights
Takao Saeki is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of electronic devices, particularly in mobile applications.
Collaborations
Throughout his career, Saeki has collaborated with notable colleagues such as Kazuo Tomizuka and Sakae Sugayama. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.
Conclusion
Takao Saeki's contributions to the field of electronics through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the development of mobile electronic devices, showcasing the importance of innovation in our modern world.