Russell P Cashman

Title: Innovations of Russell P. Cashman

Introduction

Russell P. Cashman is a notable inventor based in Vista, California, recognized for his contributions to the field of portable communications. With a total of six patents to his name, Cashman has made significant advancements in the functionality of communication devices.

Latest Patents

One of his latest patents is for a portable communications and data terminal that optimizes the receipt of both incoming Cellular Digital Packet Data (CDPD) and Advanced Mobile Phone Service (AMPS) messages. This innovative portable radio telephone handset operates as both a data transfer terminal and an analog cellular telephone subscriber station. It features two modes of operation: an analog cellular communication mode and a CDPD mode. The handset is designed to distinguish between paging signals for CDPD mode communications and those for analog cellular communications. Additionally, it automatically prioritizes analog cellular communications over CDPD communications when necessary. The handset also maintains an active status on a CDPD communication channel during a 'sleep mode', allowing it to perform AMPS activities seamlessly.

Another significant patent by Cashman is for a method and apparatus for concurrent monitoring of divergent wireless telecommunication systems. This portable communications subscriber unit functions similarly to his previous invention, operating as both a data transfer terminal and an analog cellular telephone. It also distinguishes between paging signals for CDPD and analog cellular modes, ensuring efficient communication. The inventive method allows the subscriber unit to remain registered in the CDPD communication system while performing activities on the AMPS system, enhancing user experience and functionality.

Career Highlights

Throughout his career, Russell P. Cashman has worked with several prominent companies, including Pacific Communication Sciences, Inc. and Cirrus Logic Inc. His work in these organizations has contributed to the development of advanced communication technologies.

Collaborations

Cashman has collaborated with various professionals in the field, including Richard Schwartz, to further enhance his innovative projects.

Conclusion

Russell P. Cashman has made remarkable contributions to the field of portable communications through his innovative patents and collaborations. His work continues to influence the development of communication technologies today.