1. Presentation System Using Laser Pointer US Patent: 6,910,778 B2 Presenter: Runyu Bi OPT 320 Senior Thesis I

2. The Struggle

3. Solution! A laser pointer, but also a “mouse” on a projected screen. ✓ Intuition ✓ Affordability ✓ Safety

4. About This Patent… Title: Presentation System Using Laser Pointer Assignee: Fujinon Corporation Filling Date: Feb.28, 2003. Issue Date: June. 28, 2005 Inventors: Akinori Hamana, Junichi Yokoyama

5. Novelty and Non- obvious Aspects Integrated a laser pointer, a navigator for computer, and a remote. Awesome idea to simplify the system to cut off the cost. Two clever strategies to avoid safety issues.

6. Infrared Light Projector

7. Thanks!