Company Filing History:
Years Active: 1999-2000
Title: Innovations by Gunnar Filipsson
Introduction
Gunnar Filipsson is a notable inventor based in Linkoping, Sweden. He has made significant contributions to the field of antenna technology, holding a total of 2 patents. His work focuses on developing innovative solutions for portable communication devices.
Latest Patents
Gunnar's latest patents include a dual band antenna means that incorporates helical and elongated radiating elements. This multi-band antenna is designed for mounting on the housing of hand-portable telephones. It features a feed portion and an antenna whip that can slide into and out of the telephone, allowing for retracted and extended positions. The design includes a multi-band helical structure, with alternative arrangements disclosed for achieving operability within separated frequency bands, such as 900 and 1800 MHz. Additionally, some configurations of the antenna require an impedance matching circuit to function effectively across different frequency bands.
Another significant patent is for a planar antenna device, which is intended for small-size portable radio communication devices. This compact antenna comprises a ground plane, a first radiating patch, and a grounding means connecting the patch to the ground plane. The patch is fed by a feeding means that can be situated on the same or opposite side of the ground plane, coupling through a slot provided in the ground plane. The antenna device may also include further radiating patches, allowing for wideband and/or multiband operation.
Career Highlights
Gunnar Filipsson has been associated with Allgon AB, a company known for its advancements in communication technology. His work has contributed to the development of innovative antenna solutions that enhance the performance of portable devices.
Collaborations
Gunnar has collaborated with notable colleagues, including Gunnar Engblom and Bo Wass. Their combined expertise has fostered advancements in antenna technology and communication systems.
Conclusion
Gunnar Filipsson's contributions to antenna technology through his patents demonstrate his innovative spirit and commitment to enhancing portable communication devices. His work continues to influence the field and inspire future advancements.