This inventor holds 3 USPTO granted patents. Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 1977-1994.
Company Filing History:
Years Active: 1977-1994
Title: Juho Arras: Innovator in Electrical Engineering
Introduction
Juho Arras is a notable inventor based in Stockholm, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative technologies that enhance the functionality and safety of electrical systems. With a total of 3 patents to his name, Arras has demonstrated a commitment to advancing technology through his inventive spirit.
Latest Patents
One of Juho Arras's latest patents is the "Power Down Feed." This invention provides an arrangement for feeding subscriber lines of a public exchange with reduced line current during power failures. It activates when the temperature within the exchange or individual components exceeds a predetermined reference value, or when the length of a subscriber's line is below a specific threshold. This innovation ensures that subscriber lines receive reduced line current for a limited time, enhancing the reliability of communication during critical situations.
Another significant patent is the "Voltage Shock Protection Circuit." This circuit features two anti-series connected field effect transistors designed to protect a connected circuit from voltage transients that could potentially cause damage. The circuit includes a voltage sensing mechanism that monitors voltage drops across the transistors, ensuring that the protected circuit remains safe from harmful voltage fluctuations.
Career Highlights
Juho Arras is currently employed at Telefonaktiebolaget LM Ericsson (Publ), a leading telecommunications company. His work at Ericsson has allowed him to collaborate with other talented engineers and inventors, contributing to the development of cutting-edge technologies in the telecommunications sector.
Collaborations
Some of Juho Arras's notable coworkers include Walter Herbert Widl and Mats C. Olstedt. Their collaborative efforts have fostered an environment of innovation and creativity, leading to advancements in various electrical engineering projects.
Conclusion
Juho Arras is a distinguished inventor whose work has significantly impacted the field of electrical engineering. His innovative patents, particularly in voltage protection and power management, showcase his expertise and dedication to improving technology. Through his contributions at Ericsson and collaborations with fellow engineers, Arras continues to pave the way for future advancements in telecommunications.