Company Filing History:
Years Active: 1996-1997
Title: John R Gelm: Innovator in CDMA Technology
Introduction
John R Gelm is a notable inventor based in San Diego, CA, who has made significant contributions to the field of telecommunications. He holds 2 patents that showcase his expertise in CDMA technology, particularly in the optimization of radiotelephone systems.
Latest Patents
One of Gelm's latest patents is for a CDMA radiotelephone having optimized slotted mode and long code operation. This innovative radiotelephone is designed to operate within a CDMA radiotelephone system. It includes a receiver for receiving a paging channel transmission, a system time pseudonoise (PN) generator, and despreading circuitry. The despreading circuitry is coupled to the receiver and is responsible for despreading the paging channel transmission received during a predetermined assigned slot. The assigned slot is specifically designed to have a duration that is three times the duration of a rollover period of the system time PN generator and four times the duration of one frame, totaling 80 msec. The patent also describes the use of predetermined masks for initializing the PN generators, particularly a Long Code PN generator.
Career Highlights
Gelm is currently employed at Nokia Mobile Phones Limited, where he continues to innovate and develop advanced telecommunications technologies. His work has played a crucial role in enhancing the efficiency and functionality of CDMA systems.
Collaborations
Some of Gelm's notable coworkers include Adam F Gould and James R Robertson, who have collaborated with him on various projects within the telecommunications sector.
Conclusion
John R Gelm is a distinguished inventor whose work in CDMA technology has significantly impacted the telecommunications industry. His patents reflect his commitment to innovation and excellence in this field.