# A Tactile Mat to Keep VR Users From Walking Into Walls > A physical floor mat with built-in bumps and sensors that helps people in virtual reality know where they are standing without needing to take off their headset. - **Patent:** US 10350488 - **Original title:** Virtual reality proximity mat with directional locators - **Owner:** Individual - **Granted:** 2019 - **Status:** Active - **Times cited:** 0 - **Field:** consumer_electronics, gaming, mechanical ## What it does This patent describes a physical mat designed to provide spatial awareness to someone wearing a VR headset. It uses specific tactile features, such as a center 'home' locator and a forward-facing directional indicator, both of which feature cylindrical voids and sleeves to create a distinct physical sensation under the user's feet. By feeling these bumps, a user can orient themselves in the real world while their eyes are occupied by a virtual environment. The mat can also include embedded sensors that provide vibration, sound, or light feedback to further alert the user if they are moving toward the edge of the mat. ## What it does NOT cover - Does not cover software-based boundary systems like the 'Chaperone' or 'Guardian' grids projected inside the VR display. - Does not cover mats that lack the specific cylindrical void and sleeve structure for the center and directional indicators. - Does not cover motion-tracking systems that use external cameras or infrared sensors to monitor user position. - Does not cover non-tactile floor markers like tape or painted lines. ## The clever bit By using a physical 'directional locator' that is distinct from the center point, the mat provides a permanent, non-visual compass that the user can feel through their feet, ensuring they always know which way is 'forward' in their virtual game. ## Real-world examples 1. Anti-fatigue floor mats modified for VR use 2. Custom-made circular VR play mats 3. Tactile floor markers for home gaming setups ## Why it matters VR immersion is often broken when a user accidentally hits furniture or walls, a problem known as 'room-scale' navigation. This invention attempts to solve that by using physical, rather than digital, cues to keep the user centered. It represents a hardware-based approach to safety that works even if the VR software's tracking system fails or is unavailable. ## Frequently asked questions ### What does A Tactile Mat to Keep VR Users From Walking Into Walls cover? A physical floor mat with built-in bumps and sensors that helps people in virtual reality know where they are standing without needing to take off their headset. ### Who owns patent US 10350488? Individual owns this patent, granted in 2019. ### When does this patent expire? This patent is expected to expire on July 16, 2039, when the invention enters the public domain. ### What problem does this patent solve? VR immersion is often broken when a user accidentally hits furniture or walls, a problem known as 'room-scale' navigation. This invention attempts to solve that by using physical, rather than digital, cues to keep the user centered. It represents a hardware-based approach to safety that works even if the VR software's tracking system fails or is unavailable. ### What does this patent NOT cover? Does not cover software-based boundary systems like the 'Chaperone' or 'Guardian' grids projected inside the VR display. **Full plain-English explainer:** https://patentbrief.org/patent/us/10350488/nintendo-switch **Original patent:** https://patents.google.com/patent/US10350488 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How Devices Give Haptic Feedback While You Hover Your Finger](https://patentbrief.org/patent/us/8898564/siri-intelligent-automated-assistant) — This patent describes a system that triggers physical vibrations or sensations on a device when your finger hovers near the screen without actually touching it. - [How Amazon Tracks Warehouse Workers' Hands Using Radio Waves](https://patentbrief.org/patent/us/9881277/amazon-robotics-kiva-systems) — A system that uses radio frequency signals to track the exact 3D position of a warehouse worker's hand to ensure they pick or place items in the correct bins. - [How to Browse TV Shows Using 3D Virtual Objects](https://patentbrief.org/patent/us/8176439/windows-8-live-tiles) — A method for organizing television content by mapping category labels onto 3D surfaces that transform into video players when selected. - [How Phones Sense Your Finger Hovering Without Touching the Screen](https://patentbrief.org/patent/us/7653883/multi-touch-trackpad-gestures) — This patent describes a system for electronic devices, like phones, to detect a finger hovering just above the screen, display a specific interactive element below it, and then let you control that element with gestures without ever making contact. - [How Game Controllers Change Button Functions Using Plug-in Accessories](https://patentbrief.org/patent/us/10543427/joy-con-motion-controls) — A system for game controllers that automatically changes what a button does when you physically attach a hardware accessory to the controller.