IP Library Granted Patent US 10,926,859
Granted Patent B2
US 10,926,859 · App. 15/916,917 · Granted Feb 23, 2021

Smart window activation to prevent laser disturbance

Inventors: Darren R. Beard (Chandlers Ford, GB); Matthew Fawcett (Hull, GB); Perry Harwood (Liskeard, GB); Sanaz Yeganefard (Eastleigh, GB)
Assignee: International Business Machines Corporation
B64C1/1492E06B9/40G02F1/0102G02F1/157B64D2011/0061
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Quick Facts
Patent No.
US 10,926,859
App. No.
15/916,917
Granted
Feb 23, 2021
Kind
B2
Abstract

Method, system and apparatus are provided for smart window activation to prevent laser disturbance. The apparatus may include a window formed of smart glass capable of being activated in discrete sections to be impenetrable to laser light and having a smart glass activation system. A sensor arrangement may detect laser light impacting on the window and may provide data as to the position of the impact on the window. A computer-implemented window protection system may receive input regarding detecting a laser beam impacting a window from the sensor arrangement, determine the position of the laser beam impact on the window and determine a section of the window in which the smart glass is to be activated, and control activation of the smart glass in the section of the window to make the section impenetrable to laser light by instructing the smart glass activation system.

Claims (53)

1. A computer-implemented method for smart window activation to prevent laser disturbance, comprising:

detecting a laser beam impact on a window, wherein the window includes smart glass, and wherein the smart glass comprises micro-blind glass;

determining a position of the laser beam impact on the window;

determining a section of the window in which the smart glass is to be activated, wherein the section includes the position of the laser beam impact; and

activating the smart glass in the section of the window; wherein the activating controls an applied voltage causing rolled micro-blinds to stretch out and block laser light.

2. The method of claim 1 , further comprising:

receiving input that the laser beam impact on the window has stopped; and

deactivating the smart glass in the section of the window.

3. The method of claim 1 , further comprising:

receiving input from one or more sensors monitoring the window when the laser beam impact is detected, wherein the received input includes data relating to the position of the laser beam impact on the window.

4. The method of claim 1 , wherein determining the position of the laser beam impact on the window comprises determining coordinates of the position in relation to a geometry of the window and to predefined sections of the smart glass.

5. The method of claim 1 , wherein the section of the window is configured to be an area sufficiently large to prevent disturbance by the laser beam impact whilst minimizing restriction to viewing through the window.

6. The method of claim 1 , wherein detecting the laser beam impact on the window comprises receiving data relating to sensed laser light transmitted within the window to sensors located at edges of the window, and wherein determining the position of the laser beam impact on the window analyzes the sensed laser light to determine the position of the laser beam impact.

7. The method of claim 1 , wherein detecting the laser beam impact on the window comprises receiving data relating to laser light captured by a camera directed to the window, and wherein determining the position of the laser beam impact on the window analyzes the laser light captured by the camera to determine the position of the laser beam impact.

8. The method of claim 1 , further comprising:

determining movement of the laser beam impact on the window;

determining a new position of the laser beam impact on the window;

determining a new section of the window in which the smart glass is to be activated, wherein the new section includes the new position;

activating the smart glass in the new section of the window;

determining a previously activated section of the window in which the smart glass was previously activated; and

deactivating the smart glass in the previously activated section of the window.

9. The method of claim 8 , further comprising:

tracking a laser beam impact on the window;

in response to tracking the laser beam impact on the window, determining a path of the laser beam impact across the window, wherein the path comprises sections of the window; and

activating the smart glass within the sections of the window in the path of the laser beam impact across the window.

10. A computer system for smart window activation to prevent laser disturbance, the computer system comprising:

one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage devices, and program instructions stored on at least one of the one or more computer-readable tangible storage devices for execution by at least one of the one or more processors via at least one of the one or more computer-readable memories, the program instructions comprising:

program instructions to detect a laser beam impact on a window, wherein the window includes smart glass, and wherein the smart glass comprises micro-blind glass;

program instructions to determine a position of the laser beam impact on the window;

program instructions to determine a section of the window in which the smart glass is to be activated, wherein the section includes the position of the laser beam impact; and

program instructions to activate the smart glass in the section of the window; wherein the activating controls an applied voltage causing rolled micro-blinds to stretch out and block laser light.

11. The computer system as claimed in claim 10 , further comprising:

program instructions to determine movement of the laser beam impact on the window;

program instructions to determine a new position of the laser beam impact on the window;

program instructions to determine a new section of the window in which the smart glass is to be activated, wherein the new section includes the new position;

program instructions to activate the smart glass in the new section of the window;

program instructions to determine a previously activated section of the window in which the smart glass was previously activated; and

program instructions to deactivate the smart glass in the previously activated section of the window.

12. An apparatus for smart window activation, comprising:

a window formed of smart glass capable of being activated in discrete sections to be impenetrable to laser light and having a smart glass activation system, wherein the smart glass comprises micro-blind glass;

a sensor arrangement arranged to detect laser light impacting on the window and to provide data as to a position of the impact on the window;

a computer-implemented window protection system, the computer-implemented window protection system comprising:

one or more computer-readable tangible storage devices and program instructions stored on at least one of the one or more computer-readable tangible storage devices, the program instructions comprising:

program instructions to receive input regarding detecting a laser beam impact on the window from the sensor arrangement;

program instructions to determine a position of the laser beam impact on the window;

program instructions to determine a section of the window in which the smart glass is to be activated, wherein the section includes the position of the laser beam impact; and

program instructions to activate the smart glass in the section of the window; wherein the activating controls an applied voltage causing rolled micro-blinds to stretch out and block laser light.

13. The apparatus of claim 12 , wherein determining the position of the laser beam impact on the window comprises determining coordinates of the position in relation to a geometry of the window and to predefined sections of the smart glass.

14. The apparatus of claim 12 , wherein the window is a windscreen of a vehicle.

15. The apparatus of claim 12 , wherein the sensor arrangement includes sensors provided at least two edges of the window for detecting scattered light of the laser beam impact through the glass.

16. The apparatus of claim 15 , wherein the sensor arrangement determines data as to the position of the laser beam impact on the window by detecting the scattered light at two or more edges of the window and analyzing the intensity of the scattered light at the two or more edges.

17. The apparatus of claim 12 , wherein the sensor arrangement includes a camera monitoring the window.

18. The apparatus of claim 17 , wherein the camera determines a location on the window of the laser beam impact.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2024
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: CROWN ELECTROKINETICS CORPORATION
Reel/Frame 068175/0681 →
RELEASE OF SECURITY INTEREST Recorded Aug 16, 2023
From: CAVALRY FUND I, LP
To: CROWN ELECTROKINETICS CORP.
Reel/Frame 064607/0468 →
SECURITY INTEREST Recorded Oct 20, 2022
From: CROWN ELECTROKINETICS CORP.
To: CAVALRY FUND I, LP
Reel/Frame 061484/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2021
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: CROWN ELECTROKINETICS CORPORATION
Reel/Frame 057461/0826 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 9, 2018
From: BEARD, DARREN R.; FAWCETT, MATTHEW; HARWOOD, PERRY; YEGANEFARD, SANAZ
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 045160/0788 →
Continuity (1)
Related Publication 20190276132A1 · Sep 12, 2019
Cited By (1)
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