asteroza + signal   54

Interesting HCI work on showing self driving car intentions. Japanese makers seem to working more towards expressive eyes as the signal system though.
HCI  self  driving  car  navigation  intention  signal  signaling  signage  projection  sign  direction  automotive  technology 
10 days ago by asteroza
Now this is interesting! Android might be able to output carrier phase angle and other raw GNSS data. This is the basis for cyberlocator, the location security concept that used raw GPS signal variance to confirm location relative to a datacenter GPS receiver (intended for determining is someone was actually in the same region as a datacenter)
android  app  software  OS  system  GNSS  GPS  raw  data  signal  information  reference  CyberLocator 
september 2018 by asteroza
Beating LIDAR - Achuta Kadambi - MIT Media Lab
Using heterodyning LIDAR to achieve very high resolution at range, and might be able to punch through fog. WHich makes you wonder if the same trick could be used for lasercomm lasers which always had a rain/fog fade problem...
laser  optics  LIDAR  ranging  beat  note  superheterodyne  heterodyne  frequency  wavelength  research  technology  signal  processing  DSP  time-of-flight  range  measurement  sensor  camera 
january 2018 by asteroza
Jeeva Wireless
Using modulated passive reflection of ambient signal to achieve low power but reasonable wifi speed.
passive  low  power  wifi  RF  signal  reflection  modulation  wireless  research  technology  Delicious 
december 2016 by asteroza
MegaMimo :: NETMIT Networks @ MIT
Similar to datacenter basebands for cellular networks, turning the all towers/AP's into part of a giant phased array.
beamforming  wifi  wireless  signal  RF  MIMO  network  networking  research  MIT  Delicious 
august 2016 by asteroza
LightCense | Visual Identification System for Drones / UASs
Some sort of light code (not quite morse if colors are involved) for broadcasting drone ID
LED  light  signal  UAV  drone  ID  identification  transmit  hardware  electronics  devices  safety  code  broadcast  optical  semaphore  Delicious 
july 2016 by asteroza
The Deep Sweep
This could easily have ended in tears. Also, wouldn't this show up on radar?
sousveillance  wireless  signal  scanning  balloon  recon  hacking  security  mapping  SIGINT  Delicious 
november 2015 by asteroza
"Tailly", the tail that wags when you get excited by Shota Ishiwatari — Kickstarter
From the guy who prototyped the Nekomimi brainwave controlled cat ear headbands, comes the tail version. Now waiting for furry trifecta to lead into the mayan apocalypse...
neurowear  nekomimi  furries  kickstarter  devices  electronics  hardware  prop  prosthetic  tail  animatronic  reaction  signal  body  heartbeat  heartrate  Tailly  Delicious 
december 2012 by asteroza
Eulerian Video Magnification
Using overamplification tricks to be able to see a person's heartbeat from video. Someone suggested this might be useful for non-destructive testing/finite element analysis.
amplification  magnification  eulerian  signal  processing  vision  analysis  video  science  computer  Delicious 
june 2012 by asteroza
Interesting twin use of NFC (now available in newer phones) and an encrypted acoustic signal (for older phones without NFC), to provided a phone app based wireless key solution for hotels and other proximity card access facilities.
OpenWays  NFC  cryptographic  acoustic  signal  encryption  wireless  lock  key  system  hardware  electyronics  devices  smartphone  android  iPhone  app  software  Delicious 
february 2012 by asteroza
Protecting medical implants from attack
Using recent research results regarding tuned transmitter antennas, MIT creates a signal jammer/nullifier that does signal RF wave cancellation for specific bands, to protect wireless medical implant command channels.
medical  implant  device  remote  control  command  defense  shield  frequency  jammer  signal  nullifier  cancellation  simultaneous  receive  transmit  MIT  research  security  Delicious 
june 2011 by asteroza
Uh, a prototype for brainwave reacting cat ear headbands, sort of an electronic version of those mood rings. Naturally a japanese product...
japan  fashion  apparel  headband  cat  ears  necomimi  nekomimi  brainwave  sensor  mood  signal  hardware  electronics  devices  human  augmentation  humor  Delicious 
may 2011 by asteroza
Constant connection
Interesting research about cellphone movement path prediction to optimize network connection handoff and connection power control, using the mobile unit (in this case a cellphone with GPS) to advertise to the base station its location so that a base station/cell network that is multi tower location aware and proactively handoff signals to other towers. This would be good in travel corridors such as public transit and highways where people are moving a lot. This would go hand in hand with that recent hardware announcement of base station tower hardware that offloads baseband calculations to a central datacenter, turning the entire cell network into a managed distributed antenna array, which by design will be at least location aware of its towers for cooperative forced handoff for load leveling in multi tower visible LoS situations. Sniffing the location information of endpoint devices, which is currently government mandated, to enhance the overall network capabilities is a logical step.
MIT  cellphone  wireless  mobile  phone  network  cell  signal  connection  handoff  optimization  location  tracking  GPS  track  path  prediction  predictive  Delicious 
april 2011 by asteroza
RCA's Airenergy charger converts WiFi energy to electricity
Interesting for a nomad/homeless with tech gadgets, leeching power out the air (which the police can't bust you for, as opposed to using an unattended power socket)
RCA  Airenergy  wifi  wireless  signal  capture  recharger  recharge  remote  electricity  ambient  power  storage  parasite  leech  battery  energy  green  air  Tesla  Delicious 
september 2010 by asteroza

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