This inventor holds 4 USPTO granted patents. Top assignees: International Business Machines Corporation, Rolm Company, Siemens Business Communication Systems, Inc.. Active years: 1990-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 166,409 
1 out of 43 
1 out of 46 
Years Active: 1990-1997
Title: The Innovations of David C Black
Introduction
David C Black is a notable inventor based in Austin, TX, with a focus on telecommunications technology. He holds 4 patents that showcase his contributions to the field. His work emphasizes the integration of advanced communication protocols and user-friendly interfaces in digital telephony.
Latest Patents
One of his latest patents is the "Option bus," which describes a method and apparatus for connecting remote options to a digital telephone base. This innovation includes physical and communications protocols for connections, along with a flexible control scheme that can be tailored to the requirements of various options. The digital telephone features an option bay connection that provides access to multiple types of information, including local analog audio, analog voice, digital voice, digital data, and telephone control streams. Another significant patent is related to "Data diagnostics with LEDs on the face of a telephone." This invention allows the telephone to switch between normal operating mode, where the LEDs indicate the status of telephony features, and a diagnostic mode, where the LEDs display the status of the telephone's data communications signals. The transition between these modes can be initiated by entering a code on the telephone keypad or through a command from a workstation connected via a data communications port.
Career Highlights
David has had a distinguished career, working with prominent companies such as IBM and Siemens Business Communication Systems, Inc. His experience in these organizations has significantly influenced his innovative approach to telecommunications.
Collaborations
Throughout his career, David has collaborated with talented individuals, including Gary R Key and Gautam Biswas. These partnerships have contributed to the development of his groundbreaking inventions.
Conclusion
David C Black's contributions to telecommunications through his patents and collaborations highlight his innovative spirit and dedication to advancing communication technology. His work continues to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile