Location History:
- Lulea, SE (2000 - 2005)
- Jarfalla, SE (2003 - 2006)
Company Filing History:
Years Active: 2000-2006
Title: Siwert Hakansson: Innovator in Telecommunications
Introduction
Siwert Hakansson is a notable inventor based in Lulea, Sweden. He has made significant contributions to the field of telecommunications, holding a total of 14 patents. His work focuses on enhancing communication technologies, particularly in the areas of echo suppression and VDSL modem design.
Latest Patents
One of Hakansson's latest patents is for a hybrid circuit designed for near-echo suppression. This innovative circuit can substantially reduce near echo signals by interconnecting a two-wire receive path and a two-wire transmit path to a two-wire transmission line. The design includes a balanced hybrid that connects to an A/D converter and a D/A converter, with a filter that removes signals transmitted from the D/A converter. This invention is particularly suited for use with Frequency Division Duplexing (FDD) and Orthogonal Frequency Division Duplexing (OFDD).
Another significant patent is for a VDSL modem that is divided into a digital and an analog part. The analog section is placed in an optical node, while the digital part is located in a local station. The analog part includes essential components such as an A/D converter, D/A converter, filter, amplifier, and an optical interface. This design simplifies synchronization of the modem and reduces power consumption in the optical node, making it a valuable advancement in modem technology.
Career Highlights
Throughout his career, Siwert Hakansson has worked with prominent companies in the telecommunications sector, including STMicroelectronics N.V. and Telia AB. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of communication technologies.
Collaborations
Hakansson has collaborated with talented individuals in his field, including Mikael Isaksson and Magnus Johansson. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Siwert Hakansson is a distinguished inventor whose work in telecommunications has led to significant advancements in echo suppression and modem technology. His contributions continue to influence the industry and pave the way for future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.