Location History:
- Hudson, NH (US) (2007)
- Merrimack, NH (US) (2006 - 2010)
Company Filing History:
6 out of 40 
1 out of 1,445 
Years Active: 2006-2010
Title: David E Majchrzak: Innovator in Wireless Communication Technologies
Introduction
David E Majchrzak is a notable inventor based in Merrimack, NH (US). He holds a total of 7 patents that reflect his contributions to the field of wireless communication and signal processing. His innovative work has significantly impacted the development of technologies that enhance communication systems.
Latest Patents
Among his latest patents is the "Synthesized local oscillator and method of operation thereof." This invention outlines a method for controlling a synthesized local oscillator (SLO) by receiving a control input that specifies a desired SLO output. The process involves generating a predefined set of dynamic clock signals from a reference clock signal and selecting a dynamic clock signal based on the control input. This dynamic clock signal is then used as an input to a direct digital synthesizer (DDS) module to generate a DDS output signal. The invention also includes selecting a DDS output band and processing it to produce the SLO output.
Another significant patent is related to "Wireless communication systems and methods for contiguously addressable memory enabled multiple processor based multiple user detection." This invention provides methods and apparatus for multiple user detection (MUD) processing, which is crucial for improving the capacity of CDMA and other wireless base stations. It describes a multiprocessor, multiuser detection system that detects user transmitted symbols in CDMA short-code spectrum waveforms, enhancing the efficiency of wireless communication.
Career Highlights
David has worked with several prominent companies, including Mercury Computer Systems, Inc. and Itt Manufacturing Enterprises, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of wireless communication.
Collaborations
Throughout his career, David has collaborated with notable individuals such as John H Oates and Steven R Imperiali. These collaborations have contributed to the advancement of technologies in which he specializes.
Conclusion
David E Majchrzak is a distinguished inventor whose work in wireless communication technologies has led to significant advancements in the field. His patents demonstrate his commitment to innovation and his ability to solve complex problems in communication systems.