Company Filing History:
2 out of 14,087 
2 out of 5,130 
1 out of 21,376 
Years Active: 1996-2013
Title: The Innovations of Thomas Hafemeister
Introduction
Thomas Hafemeister, located in Hamburg, Germany, is a prominent inventor renowned for his contributions to the field of signal processing. With five patents to his name, Hafemeister has made significant strides in developing technologies that enhance the quality of television signals, both analogue and digital.
Latest Patents
One of Hafemeister's latest inventions is an intermediate frequency processing device designed for processing both analogue and digital television intermediate frequency signals. This innovative device is capable of handling vision and sound intermediate frequency signal components effectively. The device features an input for receiving the signals, a sophisticated processing section, and an output for delivering the processed signals. This processing section includes a band pass filter connected to the intermediate frequency input and multiple parallel processing portions equipped with advanced in-phase quadrature processing means.
Another notable invention is a down-converter designed for processing frequency signals, particularly targeting digital television signals. This device includes identical mixer stages that down-convert the signal under the control of a local oscillator, achieving a 90° phase shift. Furthermore, it incorporates a complex filter that enhances signal quality by suppressing undesired components outside a predetermined useful bandwidth, along with an adjustable frequency device and a low-pass filter.
Career Highlights
Throughout his career, Thomas Hafemeister has worked with reputable companies, including U.S. Philips Corporation and NXP B.V. His expertise and innovative mindset have significantly contributed to advancements in television technology.
Collaborations
Hafemeister has collaborated with esteemed colleagues such as Joachim C. Brilka and Wolfgang Weltersbach. Their combined efforts in research and development have led to groundbreaking advancements in electronic signal processing.
Conclusion
In summary, Thomas Hafemeister is a notable inventor with a focused portfolio of patents centered around improving television signal processing. His innovative contributions continue to influence the industry, demonstrating the importance of creativity and collaboration in driving technological advancements.