asteroza + beaming   51

Electric Sky
Some sort of wizardry allows new highly spare arrays for RF power beaming, for medium ranges (looking at 1000km or less), which causes beam refocusing. All solid state, looking at 915MHz UHF.
external  power  beaming  wireless  transmission  transfer  space  propulsion  RF  UHF  whisper  refocus  sparse  array 
april 2019 by asteroza
Diamonds could have the power to recharge drones in flight
Some sort of laser power beaming, using diamond cooled LED lasers?
diamond  cooling  LED  laser  wireless  power  beaming  WPT  transfer 
december 2018 by asteroza
NIMPH: Nano Icy Moons Propellant Harvester | NASA
Interesting that they are OK with laser power beaming...
It's almost as if they are building a mobile SPS...
NIAC  NASA  SPS  laser  power  beaming  ISRU  Delicious 
april 2016 by asteroza
SSI2010SSPpaper.pdf (application/pdf Object)
Interesting concept for an SPS using a thin film solar cell array operating as a spin stabilized panel, similar to a solar sail. Uses IR power transmission, probably laser based. Unfortunately, the setup for the laser is not ideal, as it would have to have the laser at the rotating center, requiring either a big central power yoke/gymbal with slip ring, or fixed lasers near the center with active beam steering. Actually fixed lasers with that recently developed polarized grating liquid crystal laser beam steering mechanism might work well here since it's solid state.
SPS  SSP  SBSP  space  solar  power  satellite  design  concept  heliogyro  spin  stabilized  electric  sail  laser  IR  beaming  Delicious 
november 2011 by asteroza
Online Journal of Space Communication
Vaguely serious calls for study work, but even the chinese admit defeat in the key area of launch cost reduction, even if everything else works out.
china  CAST  SBSP  SSP  SPS  solar  powerbeaming  satellite  research  power  beaming  Delicious 
october 2011 by asteroza
NASA - NASA Announces Two Game-Changing Space Technology Projects
This contract had LaserMotive written all over it, but Escape Dynamics didn't get a piece. Which is strange since LaserMotive, is, well, all about lasers, while Escape Dynamics is all about microwaves.
NASA  beamed  power  propulsion  research  laser  microwave  space  technology  beaming  aerospace  Delicious 
september 2011 by asteroza
Create the Future Design Contest :: InvisiTower
Interesting take on the tethered electric surveillance quadcopter UAV, using the fiber optic cable tether for data and power. So it isn't spewing surveillance data over RF. Goes up against IAI's ETOP tethered quadcopter though.
LaserMotive  InisiTower  quadcopter  quadrotor  tether  tethered  UAV  hardware  electronics  devices  surveillance  military  police  fiber  optic  optical  power  beaming  remote  InvisiTower  Delicious 
july 2011 by asteroza
uBeam
Basically an ultrasonic spot beam transducer setup, firing a focused beam of ultrasound towards the receiver, which I assume is just a tweaked piezoelectric microphone setup, to receive acoustic energy and convert that to electricity. Claim 8V transferable (what is the wattage?) and below OHSA sound limits. If the receiver and transmitter use active guidance, you might be able to use a phased array for the transmitter.

Just this side of crazy enough to work...
uBeam  wireless  charging  power  beam  beaming  remote  recharge  charge  recharger  charger  ultrasound  ultrasonic  transducer  spot  Delicious 
june 2011 by asteroza
PROJECT_SERVIS
This is the big USEF japan consortium of companies along with JAXA developing SPS tech, with a nominal target goal of 2030, but utterly not addressing the spacelift cost issue
japan  JAXA  space  solar  power  SBSP  SSP  SPS  remote  beaming  laser  microwave  rectenna  green  energy  satellite  orbital  research  Delicious 
march 2011 by asteroza
LaserMotive » About
Lasermotive trying to commercialize their power beaming technology with a move towards UAV remote power delivery. If an electric UAV can get power remotely, it cuts down substantially on the weight on onboard energy storage. One possible end result is LEO/GEO power satellites beaming power to military surveillance UAV's in remote areas (not useful for other applications since you have a giant laser from the sky shining on the UAV so it would be an easily identifiable target)
lasermotive  remote  laser  power  beaming  commercialization  UAV  source  space  technology  research  Delicious 
march 2010 by asteroza

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