17443938. ULTRASONIC FINGERPRINT SENSOR TECHNOLOGIES AND METHODS FOR MULTI-SURFACE DISPLAYS simplified abstract (QUALCOMM Incorporated)

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ULTRASONIC FINGERPRINT SENSOR TECHNOLOGIES AND METHODS FOR MULTI-SURFACE DISPLAYS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Naga Chandan Babu Gudivada of Hyderabad (IN)

Prakash Tiwari of Hyderabad (IN)

Rakesh Pallerla of Hyderabad (IN)

ULTRASONIC FINGERPRINT SENSOR TECHNOLOGIES AND METHODS FOR MULTI-SURFACE DISPLAYS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17443938 titled 'ULTRASONIC FINGERPRINT SENSOR TECHNOLOGIES AND METHODS FOR MULTI-SURFACE DISPLAYS

Simplified Explanation

The patent application describes ultrasonic fingerprint sensors that have an ultrasonic transmitter and multiple subsets of ultrasonic sensor pixels. These subsets are associated with different ultrasonically sensitive display surfaces, which may be non-coplanar with each other.

  • Ultrasonic fingerprint sensors with multiple subsets of ultrasonic sensor pixels are provided.
  • Each subset of sensor pixels is associated with a different ultrasonically sensitive display surface.
  • The display surfaces may be non-coplanar with each other.
  • The display surfaces can be provided by different portions of a flexible display that has been flexed into a non-coplanar configuration.
  • A controller is provided to selectively read ultrasonic sensor signals from the subset(s) of sensor pixels associated with the display surfaces that are being touched.

Potential applications of this technology:

  • Mobile devices with ultrasonic fingerprint sensors.
  • Wearable devices with flexible displays and touch-sensitive surfaces.
  • Automotive applications, such as touch-sensitive surfaces on curved dashboards or control panels.

Problems solved by this technology:

  • Non-coplanar display surfaces can provide more ergonomic and intuitive touch interactions.
  • Flexible displays allow for curved or irregularly shaped touch-sensitive surfaces.
  • Ultrasonic fingerprint sensors provide secure and accurate biometric authentication.

Benefits of this technology:

  • Improved user experience with more natural touch interactions.
  • Enhanced security with reliable and accurate fingerprint authentication.
  • Flexibility in design and form factor for various devices and applications.


Original Abstract Submitted

Apparatuses, systems, and methods are provided for ultrasonic fingerprint sensors that feature an ultrasonic transmitter and multiple subsets of ultrasonic sensor pixels, each subset of ultrasonic sensor pixels associated with a different ultrasonically sensitive display surface, at least two of which are non-coplanar with one another. In some implementations, the ultrasonically sensitive display surfaces may be provided by different portions of a flexible display that has been flexed into a configuration in which two or more portions thereof are non-coplanar. In some instances, a controller may be provided that selectively reads ultrasonic sensor signals from subset(s) of the ultrasonic sensor pixels that are associated with the ultrasonically sensitive display surfaces that a touch-sensing system indicates are experiencing touch events.

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