Robert Crandall is an accomplished inventor based in Seattle, WA. He has made significant contributions to the field of technology, particularly in the area of weight sensing systems. With a total of six patents to his name, Crandall's work has had a notable impact on how items are tracked and managed in various settings.

Latest Patents

Crandall's latest patents include a system designed to determine item weight using data from weight sensors. This innovative system utilizes one or more load cells to measure the weight of items at a fixture. As items are picked from or placed onto the fixture, weight changes occur, which can be used to determine when an item was picked or placed, as well as the quantity involved. The system gathers a set of data comprising weight changes associated with interactions involving a specific type of item. A model, such as a probability distribution, is created to relate a particular weight of that type of item to a probability. This model can then be used to process other weight changes and identify the type of item involved in an interaction.

Another of Crandall's patents focuses on interaction determination using data from weight sensors. In this system, one or more load cells measure the weight of items on a shelf or fixture. As items are picked or placed, the output from the load cells is processed to produce denoised data. This data is then analyzed to determine event data representative of a pick or a place of an item. Hypotheses are generated based on the information about where particular types of items are stored, their weights, and the event data. A high-scoring hypothesis is utilized to determine interaction data indicative of the type and quantity of an item that was added to or removed from the fixture.

Career Highlights

Crandall is currently employed at Amazon Technologies, Inc., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and accuracy of item tracking systems.

Collaborations

Throughout his career, Crandall has collaborated with talented individuals such as Liefeng Bo and Nikhil Chacko. These collaborations have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Robert Crandall's contributions to the field of technology through his innovative patents and work at Amazon Technologies, Inc. highlight his role as a

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