Company Filing History:
Years Active: 2002-2010
Title: The Innovations of David S. Spain
Introduction
David S. Spain is a notable inventor based in Portola Valley, CA (US). He has made significant contributions to the field of wireless communication, holding a total of 3 patents. His work focuses on innovative methods for location determination in mobile units, showcasing his expertise in the intersection of technology and communication.
Latest Patents
One of David S. Spain's latest patents is titled "Location determination using RF fingerprinting." This method allows for the determination of the location of a mobile unit (MU) in a wireless communication system and presents it to a remote party. The process involves comparing a snapshot of a predefined portion of the radio-frequency (RF) spectrum taken by the MU to a reference database containing multiple snapshots taken at various locations. The result of this comparison is used to ascertain whether the MU is at a specific location. The comparison can be conducted within the MU or at a remote location, where sufficient information regarding the captured fingerprint is transmitted from the MU. The database utilized may be pre-compiled or generated online.
Career Highlights
David S. Spain is currently associated with Polaris Wireless, Inc., where he continues to develop innovative solutions in wireless technology. His work has significantly impacted the way location services are utilized in mobile communication.
Collaborations
Some of his notable coworkers include Robert Morris Dressler and Luis Perez-Breva, who have collaborated with him on various projects within the field.
Conclusion
David S. Spain's contributions to wireless communication through his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the industry and improve location determination methods for mobile units.