This inventor holds 2 USPTO granted patents. Top assignees: Ericsson Ge Mobile Communications Inc., Telefonaktiebolaget Lm Ericsson (Publ). Active years: 1996-2005.
Location History:
- Bjarred, SE (1996)
- Bjärred, SE (2005)
Company Filing History:
1 out of 131 
1 out of 26,974 
Years Active: 1996-2005
Title: Innovations of Björn Lindqvist
Introduction
Björn Lindqvist is a notable inventor based in Bjärred, Sweden. He has made significant contributions to the field of radio communications, holding a total of 2 patents. His work focuses on enhancing the performance of radio receivers through innovative tuning methods and apparatus.
Latest Patents
One of his latest patents is titled "Methods and apparatus for tuning pre-selection filters in radio receivers." This invention involves a tuning arrangement in a radio receiver that includes a front-end circuit with a tunable band-pass filter. This filter is capable of selecting channels within at least one frequency band of an RF signal. The design incorporates a noise source that introduces a wide-band noise signal into the front-end circuit. A signal detector measures the signal power associated with the filtered noise signal, allowing a tuning controller to adjust the filter to achieve a desired response.
Another significant patent by Lindqvist is "Homodyne receiver minimizing oscillator leakage." This invention describes a method and device in a homodyne receiver that includes a local oscillator generating an oscillator signal. The design aims to minimize leakage of signals supplied to the mixer from the second processing unit, enhancing the overall efficiency of the receiver.
Career Highlights
Björn Lindqvist has worked with prominent companies in the telecommunications industry, including Telefonaktiebolaget LM Ericsson and Ericsson GE Mobile Communications Inc. His experience in these organizations has contributed to his expertise in radio technology and innovation.
Collaborations
Throughout his career, Lindqvist has collaborated with notable colleagues such as Martin Isberg and Bo Lindell. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Björn Lindqvist's contributions to radio communications through his patents demonstrate his commitment to innovation in the field. His work continues to influence advancements in radio receiver technology.