Amazon Technologies, Inc.

Uatc, LLC

Aurora Operations, Inc.

Scott Dylewski

Robert Waverly Zehner

Hannah Rebecca Lewbel

Heath Hunnicutt

Kari Rinko

Siddharth Gupta

Nadim Awad

Anoop Menon

Herve Jacques Clement Letourneur

Jonathan Ian McCormack

Prashanth Basavaraj Patil

Ronald Joseph Fernandez

Yan Karasik

A light detection and ranging (LIDAR) system for a vehicle includes one or more emitters configured to transmit light signals to an environment in which the vehicle is located; one or more detectors configured to receive return signals corresponding to the light signals being reflected back from an object in the environment; and one or more processors configured to: determine a reflectivity characteristic of the object based on reflectivity values associated with the object which are determined based on the return signals; and provide information relating to the reflectivity characteristic of the object to an autonomous vehicle control system.

Determining specular reflectivity characteristics using LiDAR

Aspects of the present disclosure involve systems, methods, and devices for determining specular reflectivity characteristics of objects using a Lidar system of an autonomous vehicle (AV) system. A method includes transmitting at least two light signals directed at a target object utilizing the Lidar system of the AV system. The method further includes determining at least two reflectivity values for the target object based on return signals corresponding to the at least two light signals. The method further includes classifying specular reflectivity characteristics of the target object based on a comparison of the first and second reflectivity value. The method further includes updating a motion plan for the AV system based on the specular reflectivity characteristics of the target object.

Determining specular reflectivity characteristics using Lidar

This disclosure is directed to methods, apparatuses, and systems for providing driving signals to present electronic content on an electronic display. The electronic display may include an electronic paper display that utilizes electronic ink to render the electronic content. An electronic signal can be generated by a display controller to drive individual pixels to a black state, a white state, or a gray state in-between the black state and the white state. In some instances, the display controller can provide a first driving signal to set a pixel to a target state, followed by turning a power off for the display. After a predetermined amount of time, a second driving signal can be provided to drive the pixel to the target state, without changing the target state of the pixel.

Driving a display for presenting electronic content

Techniques for adjusting a brightness of a front that lights a display of an electronic device in response to determining that the display is going to perform an update. Typically, page updates on certain types of displays, such as electronic paper displays, result in a relatively large but rapid change in brightness. Therefore, by increasing the brightness during the relatively dark portion of the update (e.g., when some, a majority, or all of the pixels are in the black state) and then decreasing the brightness back to its initial state upon completion of the update, the overall brightness perceived by the user remains more uniform. Increasing the uniformity of this perceived brightness in turn decreases the jarring affect of the flashing update and increases the experience of the user.

Adjusting frontlight brightness during page updates

This disclosure is directed at least in part to sensing movement of an electronic display and canceling perceived movement of content on the electronic display in response to the sensing. A display manager may reassign 'physical pixels' to 'image pixels' (or virtual pixels) such that the image appears to be stationary while the physical pixels are moving due to movement of the electronic display. For example, if the physical pixels are moving upward, the image pixels may be reassigned downward in an equal and opposite manner. The user's persistence of vision may then be reinforced by reassignment of the pixels by the display manager. For example, text displayed on the electronic display may be more readable and images more easily viewed by a user.

Vibration sensing and canceling for displays

According to one or more embodiments of the disclosure, a testing apparatus is provided. The testing apparatus may include a base portion configured to receive a device under test (DUT). The base portion may also include an array of light sensors to measure light leakage from the DUT. For example, the testing apparatus may receive, from the array of light sensors, one or more light intensity measurements associated with light leakage from between a bezel element and a display element along a first edge portion of the DUT. The testing apparatus may then transmit the measurements to a testing computer.

Systems and methods for detecting light leakage in a device

Techniques for utilizing different versions of a same font when rendering subsequent portions of a content item. For instance, envision that a user requests to open an electronic book. In response to this request, a display controller may display the first page of the electronic book using a flashing update and, therefore, may display the text using a regular weight of a particular font. However, when the user subsequently requests to turn to the second page of the electronic book, the display controller (utilizing a non-flashing update) may update the display using a version of the same font having a lesser weight. Given that some level of bleeding with likely occur when using the non-flashing update, the lesser weight coupled with the bleeding may result in text that approximates the weight of the text of the first page of the electronic book.

Adapting display fonts for reflective displays

This disclosure is directed at least in part to sensing movement of an electronic display and canceling perceived movement of content on the electronic display in response to the sensing. A controller may reassign 'physical pixels' to 'image pixels' (or virtual pixels) such that the image appears to be stationary while the physical pixels are moving due to movement of the electronic display. For example, if the physical pixels are moving upward, the image pixels may be reassigned downward in an equal and opposite manner. The user's persistence of vision may then be reinforced by reassignment of the pixels by the display manager. For example, text displayed on the electronic display may be more readable and images more easily viewed by a user.

Vibration sensing and canceling electronics

Electronic devices that include reflective displays for rendering content, touch sensors layered atop the reflective displays for detecting touch inputs, front lights layered atop the touch sensors for lighting the reflective displays and antiglare components for reducing glare caused by ambient light. This disclosure also describes techniques for assembling electronic devices including these component stacks.

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San Francisco, CA, United States of America

Scott Dylewski