Company Filing History:
Years Active: 1986-1988
Title: Hiroshi Endoh: Revolutionary Inventor in Digital Signal Processing
Introduction
Hiroshi Endoh, an accomplished inventor based in Toyokawa, Japan, has made significant contributions to the field of digital signal processing. With a total of three patents to his name, Endoh's innovations have pushed the boundaries of technology, particularly in how digital signals are reproduced and processed.
Latest Patents
Among his notable inventions is an apparatus for reproducing digital signals from a digital audio recording. This innovative digital signal reproducing apparatus takes a basic clock signal generated from a clock generator with a fixed oscillation frequency. It cleverly divides this frequency to create a clock signal that processes digital signals, dynamically adjusting the frequency division ratio to remain synchronous with changes in the digital signal's transmission speed.
Another key invention of Endoh's is a signal processing circuit, featuring an integration type D/A (Digital to Analog) and A/D (Analog to Digital) converter that emphasizes improved linearity and low power consumption. This invention employs CMOS processes for implementing logic circuits such as ECL (Emitter Coupled Logic) counters, which are known to consume significant power in traditional converters. The integration type A/D converter effectively utilizes bipolar processes to guarantee high accuracy and low noise, showcasing Endoh's commitment to optimizing performance in electronic devices.
Career Highlights
Hiroshi Endoh currently works at Hitachi, Ltd., a company renowned for its commitment to technological advancements and innovation. Throughout his career, Endoh's inventions have not only garnered attention but have also provided substantial enhancements to various technologies.
Collaborations
Endoh has collaborated with talented professionals such as Takao Arai and Toshifumi Shibuya, leveraging their expertise to bring forth innovative solutions in digital signal processing. These collaborations highlight the importance of teamwork in the world of technology and patent development.
Conclusion
Hiroshi Endoh's contributions to the field of digital signal processing exemplify the spirit of innovation that drives technological progress. With a focus on creating efficient, high-quality solutions, Endoh continues to be a pivotal figure in advancing digital signal technologies. His inventions not only reflect his ingenuity but also hold the potential to impact numerous fields where digital signals are fundamental.