Arnulf Graf

Title: Arnulf Graf: Innovator in Sensor Technology

Introduction

Arnulf Graf is a notable inventor based in Pasadena, California, recognized for his contributions to sensor technology. With a total of three patents to his name, Graf has made significant advancements in the field of input devices.

Latest Patents

One of Arnulf Graf's latest patents is focused on sensor electrode patterns for input devices. This invention involves a sensing device that comprises sensor electrodes arranged in an array of rows and columns, along with vias. The design includes a first via arranged in a first direction, corresponding to a first column of sensor electrodes adjacent to one side edge of the device. Additionally, a second via is arranged in a different direction, corresponding to a second column of sensor electrodes adjacent to another side edge. Each sensor electrode is configured to connect to a routing trace through one of the vias. In the first row of sensor electrodes, two vias are positioned at different distances from the first side edge, while in the second row, two vias are at varying distances from the second side edge.

Another significant patent by Graf involves estimating the force applied by an input object to a touch sensor. This technique includes driving multiple sensor electrodes within a sensing region to gather sensor data. A first histogram is generated based on this data, which includes several bins, each with an associated value. By analyzing the values from a subset of these bins, force information for the input object can be determined.

Career Highlights

Arnulf Graf is currently employed at Synaptics Corporation, where he continues to innovate in the realm of sensor technology. His work has contributed to the development of advanced input devices that enhance user interaction.

Collaborations

Throughout his career, Arnulf has collaborated with talented individuals such as Petr Shepelev and Tetsuo Tanemura, further enriching his contributions to the field.

Conclusion

Arnulf Graf's innovative work in sensor technology has led to significant advancements in input devices, showcasing his expertise and dedication to the field. His patents reflect a commitment to enhancing user experience through technology.