Location History:
- Hunterdon, NJ (US) (2002)
- Whitehouse Station, NJ (US) (1999 - 2003)
- Annandale, NJ (US) (2002 - 2015)
Company Filing History:
Years Active: 1999-2015
Title: Christopher F Zappala: Innovator in Amplifier Systems and Spread-Spectrum Technology
Introduction
Christopher F Zappala is a notable inventor based in Annandale, NJ (US). He holds a total of 12 patents that showcase his contributions to the fields of telecommunications and signal processing. His innovative work has significantly impacted the development of amplifier systems and spread-spectrum receivers.
Latest Patents
One of Zappala's latest patents is an amplifier system for cell sites and other suitable applications. In this invention, an amplifier system includes a tap, a delay filter, a linearized amplifier, and a hybrid combiner. The tapped portion of an input signal is amplified by the amplifier, while the untapped portion is delayed by the delay filter. The combiner then merges the amplified, tapped portion with the delayed, untapped portion to produce an amplified output signal. This design allows for the enhancement of existing GSM cell sites to support both GSM and UMTS communications without degrading GSM operations.
Another significant patent is for spread-spectrum receivers with extended dynamic range. In this invention, a received analog spread-spectrum signal is selectively attenuated before digitization, based on the amplitude of the digitized signal. By implementing selective attenuation only when the digitized signal is relatively large, the receiver can utilize a smaller analog-to-digital converter (ADC) than would typically be required. This innovation allows the system to operate effectively even with signals that have negative signal-to-noise ratios during the A/D conversion step.
Career Highlights
Zappala has worked with prominent companies in the telecommunications industry, including Lucent Technologies Inc. and Andrew Corporation. His experience in these organizations has contributed to his expertise in developing advanced technologies in signal processing and telecommunications.
Collaborations
Throughout his career, Zappala has collaborated with notable colleagues such as John Stanley Rucki and Josef Ocenasek. These partnerships have likely fostered innovation and the exchange of ideas in their respective fields.
Conclusion
Christopher F Zappala is a distinguished inventor whose work in amplifier systems and spread-spectrum technology has made a significant impact on telecommunications. His innovative patents and collaborations reflect his commitment to advancing technology in this vital industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.