Light beam generation, and focusing and redirecting device
First Claim
Patent Images
1. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
- a light source constructed and arranged to emit at least one beam of light; and
a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane;
said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source comprising at least two laser diodes mounted on a mounting block and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between the targets of the diodes.
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Accused Products
Abstract
An improved light beam generation and focusing device (15, 50) has a light source (16, 51) constructed and arranged to emit at least one beam of light (20), and a lens assembly (17, 19, 56) constructed and arranged to focus the at least one beam of light on a surface plane. The device is constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations (21, 21′) on the surface plane. The lens assembly comprises a collimating lens (17), and a spaced focusing lens (19).
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Citations
17 Claims
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1. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source comprising at least two laser diodes mounted on a mounting block and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between the targets of the diodes. - View Dependent Claims (2, 3, 4, 5)
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6. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source comprising at least two laser diodes mounted on a mounting block and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between the targets of the diodes and wherein each of said at least two laser diodes comprising a single active element laser diode chip; and
wherein said light source comprising four spaced laser diodes mounted on a common mounting block and wherein said mounting block includes 4 generally planar walls for defining the relative spacing between said the targets of the diodes. - View Dependent Claims (7, 8)
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9. A light beam generation and focusing device capable of directing at least two separate unsplit focused beams of light at a surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light, said light source comprising at least two laser diodes mounted on a mounting block, said mounting block including a heat sink for cooling said diodes and for creating a fixed spacing therebetween comprising first and second spaced apart planar surfaces upon which said diodes are immovably attached, a lens assembly constructed and arranged to focus said at the beam of light from each diode on the surface plane; and said device being constructed and arranged to direct beams of light to at least two apart spaced locations on the surface plane. - View Dependent Claims (10, 11)
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12. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target, said device being constructed and arranged to sequentially direct the beam of light to at least four spaced locations on the surface plane in a predetermined pattern and wherein, each of the at least four spaced locations on the surface plane being spaced approximately eight hundred microns from each adjacent one of said at least four spaced locations thereon.
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13. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source and said lens assembly being fitted within a housing sized and shaped to fit in the hand of a device user and wherein, said light source comprising at least two laser diodes mounted to a mounting block positioned within said housing and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between targets of the diodes.
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14. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source and said lens assembly being fitted within a housing sized and shaped to fit in the hand of a device user and said light source comprising at least two laser diodes mounted to a mounting block positioned within said housing and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between targets of the diodes and further comprising a controller coupled to each of said at least two laser diodes and adapted to sequentially operate each said laser diode with respect to the other for directing the beam of light to said at least two spaced locations on the surface plane.
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15. A light beam generation and focusing device for directing at least one focused beam of light at a target surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane including at least one rotating wedge interposed in the path of said light beam capable of redirecting the beam to multiple locations and actuate said light beam when said wedge is in position to direct the beam to said target;
said light source comprising at least two laser diodes mounted on a mounting block and wherein said mounting block includes at least two generally planar walls generally orthogonal to the target locations, and that the spacing between said walls generally fixed the relative spacing between the targets of the diodes;
said light source comprising four spaced laser diodes mounted on a common mounting block and wherein said mounting block includes 4 generally planar walls for defining the relative spacing between said the targets of the diodes.
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16. A method of reliably generating focused light beams directed to a surface plane at a predetermined distance from each other, comprising:
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a) fixing the location on multiple light beam sources on a rigid heat sinking material; b) emitting at multiple light beams; c) passing the beams of light through a lens assembly and focusing said at least one beam of light on the surface plane in response thereto; and d) sequentially directing each beam of light to a plurality of spaced locations on the surface plane, e) sequentially directing the at least one beam of light to at least four spaced locations on the surface plane in a predetermined pattern f) directing a beam of light to each of said at least two spaced locations on the surface plane so that each said location is spaced approximately eight hundred microns from each adjacent one of said spaced locations.
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17. A light beam generation and focusing device for directing at least one focused beam of light at a surface plane, said device comprising:
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a light source constructed and arranged to emit at least one beam of light, said light source comprising at least two laser diodes mounted on a mounting block, said mounting block comprising a copper mounting block having a first planar surface, a spaced parallel second planar surface, and a plurality of sides adjoining one another and each said planar surface along their respective common edges, said mounting block including a separate insulated wire bonding pad on said mounting block for each respective one of said at least two laser diodes; and a lens assembly constructed and arranged to focus said at least one beam of light on the surface plane; said device being constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations on the surface plane.
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Specification