# US 9,517,683 B2 · Sun tracking tint visor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,517,683 B2 - Document ID: US9517683B2 - Status: Granted - Kind: B2 - Application number: 14/744,852 - Filed: 2015-06-19 - Published: 2015-12-24 - Granted: 2016-12-13 - Earliest claimed: 2014-06-20 - Assignees: Grey Matter Fusion, Inc. - Applicants: Grey Matter Fusion, Inc. - Inventors: Philos Kim - Web page: https://patentgrep.com/patent/US9517683B2 ## CPC - B60J 3/04: adjustable in transparency - B60J 3/0208: {combined with auxiliary visor} - B60J 3/0239: {and pivoting on a support arm (bearing members regulating the rotational friction on the support arm B60J3/0265)} - B60J: WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES (fastening, suspending, closing, or opening of such devices E05) ## Abstract A light filtering transparent or semitransparent visor intended to prevent flash blindness and other hazards associated with the adverse affects associated with bright lights impacting the eyesight of occupants of a vehicle. In the certain embodiments, the visor comprises a larger, tinted body surrounding a smaller, much more heavily tinted body intended to filter the bright rays of sun to enable safe viewing of the sun through the filter. The entire apparatus is designed to be repositioned directly in the line of sight between the viewer and the sun. ## Claims ### Claim 1 An apparatus to block sunlight to eliminate use impairment while preserving a user's field of view comprising: a first portion having a horizontal width greater than a vertical height comprising a material allowing the passage of light; a second portion having a horizontal width greater than a vertical height comprising a material that allows less passage of light than said first portion; said second portion comprising a material having a luminous transmittance in a range of 0.00027% to 0.061%; said second portion being smaller than said first portion; said first portion being movably attached to a vehicle; said second portion being slideably attached to said first portion; wherein said user can track the position of the sun by sliding said second portion along a horizontal plane or a vertical plane of said first portion. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein said first portion is attached to said vehicle by attaching to a visor of said vehicle. ### Claim 3 An apparatus to block sunlight to eliminate use impairment while preserving a user's field of view comprising: a first portion having a horizontal width greater than a vertical height comprising a material allowing the passage of light; a second portion having a horizontal width greater than a vertical height comprising a material that allows less passage of light than said first portion; said first portion and said second portion having a combined luminous transmittance of 0.00027% to 0.061%; said second portion being smaller than said first portion; said first portion being movably attached to a vehicle; said second portion being slideably attached to said first portion; wherein said user can track the position of the sun by sliding said second portion along a horizontal plane or a vertical plane of said first portion. ### Claim 4 A light filtering apparatus blocking sunlight to eliminate use impairment while preserving a user's field of view comprising: a first portion attaching to a vehicle; a rod mounting on said first portion; a second portion allowing the passage of light, wherein said second portion slideably attaches to said rod, said second portion having a horizontal width greater than its vertical height; and a third portion allowing less light to pass than said second portion, wherein said third portion slideably attaches to said rod, said third portion attaching to said rod enables movement in a horizontal plane or a vertical plane; said third portion having a width less than the horizontal width of said second portion; and said third portion having a luminous transmittance of 0.00027% to 0.061%. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein said first portion further comprises a form fitting a portion of a vehicle visor. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein said apparatus is attached to a vehicle by tightening on a vehicle visor. ### Claim 7 (depends on 4) The apparatus of claim 4, wherein said first portion attaches to a vehicle roof. ### Claim 8 A light filtering apparatus blocking sunlight to eliminate use impairment while preserving a user's field of view comprising: a first portion attaching to a vehicle; a rod mounting on said first portion; a second portion allowing the passage of light, wherein said second portion slideably attaches to said rod, said second portion having a horizontal width greater than its vertical height; and a third portion allowing less light to pass than said second portion, wherein said third portion slideably attaches to said rod; said third portion attaching to said rod enables movement in a horizontal plane or a vertical plane; said third portion having a width less than the horizontal width of said second portion; and said third portion and second portion having a combined luminous transmittance of 0.00027% to 0.061%. ### Claim 9 (depends on 3) The apparatus of claim 3, wherein said first portion is attached to said vehicle by attaching to a visor of said vehicle. ### Claim 10 (depends on 4) The apparatus of claim 4, wherein said third portion is movably attached to said rod with a second rod. ### Claim 11 (depends on 7) The apparatus of claim 7, wherein said first portion further comprises a form fitting a portion of a vehicle visor. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein said apparatus is attached to a vehicle by tightening on a vehicle visor. ### Claim 13 (depends on 7) The apparatus of claim 7, wherein said first portion attaches to a vehicle roof. ### Claim 14 (depends on 7) The apparatus of claim 7, wherein said third portion is movably attached to said rod with a second rod.