# US 9,519,160 B2 · Laser level eyewear apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,519,160 B2 - Document ID: US9519160B2 - Status: Granted - Kind: B2 - Application number: 14/520,216 - Filed: 2014-10-21 - Published: 2016-04-21 - Granted: 2016-12-13 - Earliest claimed: 2014-10-21 - Assignees: Michael Baker - Applicants: Michael Thomas Baker; Dak Brandon Steiert - Inventors: Michael Thomas Baker; Dak Brandon Steiert - Web page: https://patentgrep.com/patent/US9519160B2 ## CPC - G02C 11/10: {Electronic devices other than hearing aids} - G01C 9/12: by using a single pendulum (plumb lines G01C15/10) - G01C 2009/066: {optical} - G02C: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B3/04; goggles or eyeshields not having the same features as spectacles A61F9/00) - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) ## Abstract A laser level eyewear apparatus for providing a level indication visible by a wearer through the lenses comprises a pair of base glasses for wearing in front of a user's eyes having a frame, two modified lenses through which the wearer can look, a level projection assembly that is biased to return to and remain in an orientation to project a laser indication a level orientation through the lenses, and a battery that supplies electrical power to the level projection assembly. The frame defines a frame style similar to that in conventional eyeglasses, except that it not only holds the integrated, modified lenses in place over the eyes of one wearing the frame, its eyewire area is structured to surround the edges of the modified lenses so as to allow the laser from the level projection assembly to freely pass through the lenses. ## Claims ### Claim 1 A laser level eyewear apparatus for providing an integrated level indication, comprising: a viewing structure defined as at least one of a lens and an apparatus for projecting light into an eye of a user; a wearable frame member configured to hold the viewing structure; a power source integrated with said wearable frame member; and a level projection assembly integral with the wearable frame member and connected to said power source, wherein the level projection assembly is configured to produce a line of light visible through the viewing structure at a level orientation when supplied electricity from the power source. ### Claim 2 (depends on 1) The laser level eyewear apparatus for providing the integrated level indication of claim 1, wherein the viewing structure defines a lens. ### Claim 3 (depends on 2) The laser level eyewear apparatus for providing the integrated level indication of claim 2, wherein the lens includes a scattering medium suspended therein. ### Claim 4 (depends on 3) The laser level eyewear apparatus for providing the integrated level indication of claim 3, wherein the scatting medium is defined as a plurality of silver nanoparticles. ### Claim 5 (depends on 2) The laser level eyewear apparatus for providing the integrated level indication of claim 2, wherein the wearable frame member defines a modified eyeglasses frame. ### Claim 6 (depends on 2) The laser level eyewear apparatus for providing the integrated level indication of claim 2, wherein the modified eyeglasses frame includes an eyewire area structured with respect to each of the at least one lens to enable light to enter the side of the lens unscattered. ### Claim 7 (depends on 6) The laser level eyewear apparatus for providing the integrated level indication of claim 6, wherein the viewing structure defines two discrete lenses arranged on the same plane. ### Claim 8 (depends on 7) The laser level eyewear apparatus for providing the integrated level indication of claim 7, wherein the modified eyeglasses frame includes an eyewire area structured with respect to both lenses to enable light to enter the side of each lens, sequentially, unscattered. ### Claim 9 (depends on 6) The laser level eyewear apparatus for providing the integrated level indication of claim 6, wherein the eyewire area is structured with respect to each of the at least one lens to only surround the edges of the at least one lens. ### Claim 10 (depends on 1) The laser level eyewear apparatus for providing the integrated level indication of claim 1, wherein the level projection assembly defines an assembly housing mounted on the wearable frame member and connected to a diode unit, said assembly housing configured to bias the diode unit to an equilibrium position defined by a plumb orientation and said diode unit configuring the level projection assembly to produce a line of light visible through the viewing structure at a level orientation. ### Claim 11 (depends on 10) The laser level eyewear apparatus for providing the integrated level indication of claim 10, wherein the assembly housing includes a stabilizing member attached thereto, said stabilizing member adapting the diode unit the resist oscillation when moving from a position out of equilibrium to its equilibrium position. ### Claim 12 (depends on 10) The laser level eyewear apparatus for providing the integrated level indication of claim 10, wherein said assembly housing is configured to bias the diode unit to an equilibrium position defined by a plumb orientation solely through ambient gravitational force. ### Claim 13 A laser level eyewear apparatus for providing an integrated level indication, comprising: a wearable frame member configured to be worn by a user and hold at least one integrated lens in front of the eye of the user; wherein the at least one lens defines a substantially transparent viewing body that includes a scattering medium suspended therein; a power source integrated with said wearable frame member; and a level projection assembly integral with the wearable frame member and connected to said power source, wherein the level projection assembly is configured to produce a line of light visible through the at least one lens at a level orientation when supplied electricity from the power source, said line of light visible due to being scattered by the scatting medium. ### Claim 14 (depends on 13) The laser level eyewear apparatus for providing the integrated level indication of claim 13, wherein the scatting medium is defined as a plurality of silver nanoparticles. ### Claim 15 (depends on 13) The laser level eyewear apparatus for providing the integrated level indication of claim 13, wherein the wearable frame member includes two discrete lenses arranged on the same plane. ### Claim 16 (depends on 13) The laser level eyewear apparatus for providing the integrated level indication of claim 13, wherein the wearable frame includes an eyewire area structured with respect to each of the at least one lens to enable light to enter the side of the lens unscattered. ### Claim 17 (depends on 13) The laser level eyewear apparatus for providing the integrated level indication of claim 13, wherein the level projection assembly defines an assembly housing connected to a diode unit and mounted on the wearable frame member such that the diode unit is disposed on the side of the wearable frame member, said assembly housing configured to bias the diode unit to an equilibrium position defined by a plumb orientation solely through ambient gravitational force and said diode unit configuring the level projection assembly to produce a line of light visible through the at least one lens at a level orientation. ### Claim 18 (depends on 17) The laser level eyewear apparatus for providing the integrated level indication of claim 17, wherein the assembly housing includes a stabilizing member attached thereto, said stabilizing member adapting the diode unit the resist oscillation when moving from a position out of equilibrium to its equilibrium position. ### Claim 19 (depends on 13) The laser level eyewear apparatus for providing the integrated level indication of claim 13, wherein: the assembly housing defines a frame attachment section fixedly attached to the side of the frame and a pendulum section pivotally attached at its proximal end to the frame attachment section, extending down therefrom; the diode unit is attached to the distal end of the pendulum section and includes a laser diode and a weighted member, said weighted member increasing the total weight of the diode unit and positioning the center of mass of the combined pendulum section and diode unit farthest from the pivot where the pendulum section is attached to the attachment section; and said laser diode is aligned such that when electrical power is supplied thereto, it produces a laser beam that exits the diode unit orthogonally with respect to the pendulum section. ### Claim 20 A laser level eyewear apparatus for providing an integrated level indication, comprising: a wearable frame member configured to be worn by a user and hold at least one integrated lens in front of the eye of the wearer; wherein the at least one lens defines a substantially transparent viewing body that includes a scattering medium suspended therein; a power source integrated with said wearable frame member; a first level projection assembly integral with the wearable frame member and connected to said power source, wherein the first level projection assembly is configured to produce a first line of light visible through the at least one lens at a level orientation when supplied electricity from the power source, said first line of light visible due to being scattered by the scatting medium; and a second level projection assembly integral with the wearable frame member and connected to said power source, wherein the second level projection assembly is configured to produce a second line of light visible through the at least one lens at a plumb orientation when supplied electricity from the power source, said second line of light visible due to being scattered by the scatting medium.