Douglas G Boyce

Title: Douglas G. Boyce: Innovator in Microprocessor Systems

Introduction

Douglas G. Boyce is a notable inventor based in Aloha, Oregon, with a focus on advancements in microprocessor systems. He holds 2 patents that showcase his expertise in digital signal processing and debugging tools. His contributions have significantly impacted the field of electronics and computing.

Latest Patents

One of his latest patents is a microprocessor system debug tool. This innovative tool features a mainframe that interfaces with a user, allowing for efficient debugging of microprocessor systems. A ROM emulator replaces the ROM unit of the microprocessor system being tested, and a monitor portion is utilized to perform user-specified debug functions. The system includes a user-defined control line connected to the interrupt system, enabling the target microprocessor to halt execution and jump to the monitor upon a user-defined event. This allows for the execution of microprocessor-specific debug code, which is generated in response to user input. Once the debug code execution is complete, the microprocessor resumes the user's program. Additionally, a word recognizer is connected to the microprocessor bus to detect the results of the debug code execution, forwarding these results to the mainframe for user display.

Another significant patent by Boyce is a digital signal sampling system with two unrelated sampling timebases. This system reconstructs the time relationship of digital data signals sampled by two different clock signals. It can sample the same data signal or two different signals simultaneously, using separate sampler circuits at different sampling clock frequencies. A timebase correlation circuit produces correlation signals that indicate the source of the last clock pulse received. These signals, along with the sampled data, are stored in acquisition memories and are used to reconstruct the digital data signals in time relationship, which can then be displayed on a cathode ray tube or other display devices.

Career Highlights

Douglas G. Boyce has made significant contributions to the field of electronics through his work at Tektronix, Inc. His innovative designs and patents have enhanced the capabilities of microprocessor systems and digital signal processing.

Collaborations

Throughout his career, Boyce has collaborated with notable colleagues, including Sam M. Deleganes and Robert M. Nathanson. These collaborations have further enriched his work and contributed to advancements in technology.

Conclusion

Douglas G. Boyce is a distinguished inventor whose work in microprocessor systems