David C Brief is a notable inventor based in Palo Alto, CA (US). He has made significant contributions to the field of communication technology, holding a total of 10 patents. His work focuses on enhancing data transmission methods and improving the reliability of communication systems.

Latest Patents

Among his latest patents is a method and apparatus for repeating data. This invention describes a physical layer (PHY) device that can function as either a conventional PHY or as a repeater in a communication system. The PHY repeater supports four optional modes that can be activated by programming control register bits with a microcontroller. These modes include passing all symbols, enabling a noise filter, passing violation symbols, and passing line states. When the modes for passing all symbols, violation symbols, and line states are enabled, the PHY device operates as a 'transparent' repeater. This allows errors in a data stream to be encoded and repeated without filtering to a downstream station. Additionally, the repeater can repeat line states without the need for station management software. A single repeater can couple two stations, or multiple repeaters can be connected to create multi-port repeater boxes, facilitating more reliable connections between stations.

Another significant patent is for an intelligent repeater functionality. This PHY device can also operate as a conventional PHY or as an intelligent repeater in a communication system. Similar to the previous invention, it supports four optional modes that can be enabled through programming. During its operation as an intelligent repeater, the modes for passing all symbols, violation symbols, and line states are activated. This intelligent repeater allows for the encoding and repeating of errors in a data stream without filtering, as well as the repetition of line states without station management software. It can also be used to couple two stations or connect multiple intelligent repeaters to form multi-port repeater boxes for enhanced reliability.

Career Highlights

David C Brief is currently employed at National Semiconductor Corporation, where he continues to innovate in the field of communication technology. His work has had a lasting impact on the industry, particularly in improving data transmission methods.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including James R Hamstra and Gregory Lee DeJager. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

David C

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