Patent 7762684 Date Jul27 2010 Inventors Jeffrey Dale Wilson Daniel Steven Sanchez OPT 310 2014 Danlu Huang Problems with Prior Arts Blink on and off Pulsed laser beam Use cushion material to avoid high frequency shakes ID: 629973
Download Presentation The PPT/PDF document "Hand-held Stabilized Laser Pointer" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Hand-held Stabilized Laser Pointer
Patent: 7762684Date: Jul.27 2010Inventors: Jeffrey Dale Wilson, Daniel Steven Sanchez
OPT 310 2014 Danlu HuangSlide2
Problems with Prior Arts
Blink on and offPulsed laser beamUse cushion material to avoid high frequency shakesFixing direction relative to gravity
OPT 310 2014 Danlu Huang
Do Not Stabilized
Orientation!
Frequency of Hand tremor
Too Low!
Require Large OffsetSlide3
Goal: Minimize Laser Dot Jitter Caused by Unwanted Hand Tremor
FeaturesDesign to reduce hand tremor at 4~12 HzTransmit frequency lower than that (intended motion)
No energy cost on stabilizationStructure
Housing Case
Power Source
Laser Module (2)
Counterweight & Bridge
GimbalBiasing w/ Magnetic fieldOPT 310 2014 Danlu HuangSlide4
What’s in there?
OPT 310 2014 Danlu HuangSlide5
How does it balance?
Spring damping using magnetic fieldOPT 310 2014 Danlu Huang