A system comprises a transmitter including a laser configured to generate a laser beam directed at a spot on a surface, and a laser driver connected to the laser and configured to modulate input data onto the laser beam. The system may further comprise a receiver including an optical detector config
A system comprises a transmitter including a laser configured to generate a laser beam directed at a spot on a surface, and a laser driver connected to the laser and configured to modulate input data onto the laser beam. The system may further comprise a receiver including an optical detector configured to decode received light into raw data, a signal processor configured to decode the raw data into the original input data, and telescope optics configured to receive light reflected from the spot on the surface, collimate the light and converge the light onto the optical detector.
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1. An apparatus, comprising: a guide member;a receiver device including an optical detector configured to decode received light into raw data, a signal processor configured to decode the raw data into input data, and telescope optics mounted to an angle adjustment at an end of the guide member and c
1. An apparatus, comprising: a guide member;a receiver device including an optical detector configured to decode received light into raw data, a signal processor configured to decode the raw data into input data, and telescope optics mounted to an angle adjustment at an end of the guide member and configured to receive light reflected from a spot on a surface external to the receiver device and focus at least a portion of the light onto the optical detector, the angle adjustment configured to allow the telescope optics to be aimed (i) substantially parallel to and substantially on the same axis as the guide member to facilitate passing of the apparatus through a bore and (ii) towards the spot on the surface; anda transmitter device including a laser configured to generate a laser beam directed at a spot on a second surface external to the receiver device, and a laser driver connected to the receiver device and the laser and configured to receive the input data from the receiver device and modulate the input data onto the laser beam. 2. The apparatus of claim 1, further comprising a second angle adjustment mounted at a second end of the guide member and allowing the transmitter device to be aimed (i) substantially parallel to the guide member to facilitate passing of the apparatus through the bore and (ii) towards the spot on the second surface. 3. The apparatus of claim 2, wherein the second angle adjustment includes a locking mechanism that when engaged is configured to lock the transmitter device into an aligned position. 4. The apparatus of claim 1, wherein the angle adjustment includes a locking mechanism that when engaged is configured to lock the receiver device into an aligned position. 5. The apparatus of claim 1, wherein the laser produces light at a pre-determined wavelength, and the telescope optics further include a filter configured to block at least a portion of wavelengths of light other than the pre-determined wavelength. 6. The apparatus of claim 1, wherein the transmitter device further comprises a splitter configured to split a modulated laser beam into a plurality of modulated laser beams, each modulated laser beams configured to be directed at a unique spot on the surface. 7. A system, comprising: a premises router configured to provide input data, wherein the premises router is connected to an outside communications network;a transmitter device in selective communication with the premises router and configured to receive the input data from the premises router and generate a modulated laser beam including the input data and directed at a spot on a preexisting surface of a premises where the surface is configured to reflect the spot diffusely and the spot is visible from multiple different viewing angles; anda plurality of receiver devices configured to be positioned to take advantage of at least a subset of the multiple different viewing angles of the spot with each of said receivers located at a different viewing angle, each respective receiver device including an optical detector configured to decode received light into raw data, a signal processor configured to decode the raw data into the input data, telescope optics configured to receive light reflected from the spot to focus at least a portion of the light onto the optical detector, and an angle adjustment allowing the respective receiver device to be directed towards the spot. 8. The system of claim 7, further comprising a networked device in selective communication with at least one of the plurality of receiver devices and configured to receive the input data. 9. The system of claim 7, wherein one of the plurality of receiver devices is included in a regenerator that further includes a second transmitter device, the second transmitter device including a second laser configured to generate a second laser beam, and a second laser driver configured to receive the input data from the one of the receiver devices and modulate the input data onto the second laser beam directed at a second spot on a surface of a second premises. 10. The system of claim 7, wherein the angle adjustment of at least one of the plurality of receiver devices includes a locking mechanism that when engaged is configured to lock the respective receiver device into an aligned position. 11. The system of claim 7, wherein the laser produces light at a pre-determined wavelength, and the telescope optics further include a filter configured to block at least a portion of wavelengths of light other than the pre-determined wavelength. 12. The system of claim 7, wherein the surface is configured to be rough or granular. 13. The system of claim 7, wherein the spot is visible from the multiple different viewing angles with a relatively uniform beam intensity. 14. The system of claim 7, wherein the spot is visible from any location with an unobstructed view of the surface with the spot. 15. A method, comprising: directing, by an angle adjustment of a transmitter device, a modulated laser beam including input data at a spot on a preexisting surface of a structure where the surface is configured to reflect the spot diffusely and the spot is visible from multiple different viewing angles;aligning a receiver device to a viewing angle of the spot on the surface of the structure by an angle adjustment of the receiver device;receiving the modulated beam including the input data by the receiver device;decoding the modulated beam into the input data by a signal processor of the receiver device;modulating the decoded input data onto a second laser beam;directing the second modulated laser beam at a second spot;receiving the second modulated beam including the input data by a second receiver device aligned with the second spot; anddecoding the second modulated beam into the input data by the second receiver device. 16. The method of claim 15, further comprising: receiving the input data by the transmitter device; andmodulating the input data onto the laser beam by a laser driver of the transmitter device. 17. The method of claim 15, further comprising providing the input data to the transmitter device by a premises router in selective communication with an outside network. 18. The method of claim 15, further comprising providing the decoded input data to a networked device. 19. The method of claim 15, further comprising: receiving the modulated beam including the input data by a second receiver device aligned with the spot on the surface of the structure; anddecoding the modulated beam into the input data by a second signal processor of the second receiver device. 20. The method of claim 15, further comprising using a locking mechanism of the receiver device to lock the angle adjustment of the receiver device into the aligned position. 21. The method of claim 15, wherein the surface is configured to be rough or granular. 22. The method of claim 15, wherein the spot is visible from the multiple different viewing angles with a relatively uniform beam intensity. 23. The method of claim 15, wherein the spot is visible from any location with an unobstructed view of the surface with the spot. 24. The method of claim 15, further comprising: aligning a third receiver device to a second viewing angle of the spot on the surface of the structure by an angle adjustment of the third receiver device;receiving the modulated beam including the input data by the third receiver device; anddecoding the modulated beam into the input data by a signal processor of the third receiver device.
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이 특허에 인용된 특허 (10)
Drake Hugh H. (P.O. Box 727 Fort Collins CO 80522), Communications system.
Allen Richard C. (Los Gatos CA) Grady Robert J. (Windsor CA) Janis Louis R. (Campbell CA) Piccone John (San Jose CA) Stewart Bernard E. (Campbell CA), Infrared network entry permission apparatus.
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