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Self-Driving Car Window Modifications and Triggers Thereof Disclosure Number: IPCOM000244466D
Publication Date: 2015-Dec-14
Document File: 3 page(s) / 38K

Publishing Venue

The Prior Art Database


Disclosed is a system and method to automatically change the opacity of self-driving car (SDC) windows based on policies, the system’s evaluation of current vehicle status and location, and the application of mathematical techniques. The main novelty is a function by which the SDC evaluates the vehicle status and determines not only whether to automatically switch to SDC mode, but also apply (or remove) tinting to (from) specific windows and at the appropriate opacity levels.

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An autonomous car or self-driving car (SDC) is typically capable of fulfilling the main transportation capabilities of a traditional car. As an autonomous vehicle, it is capable of sensing the immediate environment and navigating without human input .

Autonomous vehicles sense the surroundings with such techniques as radar , Lidar, global positioning systems (GPS), and computer vision.

Individuals' desire for privacy while riding in a self-driving vehicle is likely to increase as cars become more autonomous; the need to logically and contextually control the use of electronic window tinting will require use of new techniques, methods, and technology to allow for various uses and prevent other inappropriate use of opaque

window tinting in moving vehicles.

The novel contribution is a system and method that tints SDC windows based on policies and mathematical techniques. The system responds to the vehicle's entry into either SDC or human-driving mode, and then applies a mathematical process and other information (e.g., user preferences) to tint the window to different shades and colors , to the extent of tinting individual windows to create a specific pattern and /or distribution of shades. Moreover, one or more SDC modules may perform evaluations in order to determine appropriate opacity levels of said tint (and on what window to apply the tint). Based on certain parameters, another mathematical process can invoke a de-tinting of a pattern or re-tinting to a previously applied setting/distribution pattern.

The system generally comprises an integrally wired photochromic component , a wiring assembly, a driver's control panel, and at least one passenger's controller. A specialty film coupled to the vehicle window can control the amount of sunlight penetrating the vehicle window. The driver's control panel and passenger's control panel have controls for the tint levels. The SDC can override any occupant decisions in various cases, including in emergencies and local law compliance.

The tinting system takes as input any of the following : driving mode (e.g., manual or SDC in control), driver/passenger engagement with the outside, driver/passenger level of alertness, vehicle speed, vehicle location, cognitive state of driver and/or passenger, and presence of a person outside the vehicle , such as a police officer. The SDC may be additionally intelligent, allowing that system to differentially control the tinting when the car is parked, is in different gears, or has different safety features. The control module may also receive signals from outside the car (e.g., from law enforcement or emergency personnel), which may control the tint through a wireless signal.

In one embodiment, the electronic adjustable window tinting system can make use of a large-scale liquid crystal segment that forms the shape of the window . The large-scale liquid crystal segment can consist of two polarized filters with liquid crystal molecules arranged...