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Optical detection of water droplets using light refraction with a mask to prevent detection of unrefracted light 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01J-005/16
출원번호 US-0134407 (1993-10-08)
발명자 / 주소
  • Zimmerman H. Allen (6490 SW. 154th Pl. Beaverton OR 97007)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

An optical detection system for detecting rain or other water droplets on the outer surface of a window and fog on the inner surface with a single photo-detector. The invention measures the accumulation of water droplets on the window by light refraction of a first light beam with droplets to redire

대표청구항

An optical droplet detector apparatus for determining the degree of vision impairment through a window due to an accumulation of water or other precipitation on the window comprising: a first light source for illuminating water droplets on said window with a first light beam transmitted through said

이 특허를 인용한 특허 (42)

  1. Oxley, Lonnie R.; Helton, Darrell E.; Billings, David S.; Stephenson, Jeffrey G., Auxiliary fuel tank.
  2. Anton Grabmaier DE; Martin Osterfeld DE, Device for monitoring the state of a window pane.
  3. Zettler Gerard J., Embedded self-test for rain sensors.
  4. Dean, Anthony John; Shapiro, Andrew Philip, In-line particulate detector.
  5. Nelson, Barry K.; Bechtel, Jon H.; McMillan, Daniel G.; Reese, Spencer D., Light sensor.
  6. Nelson, Barry K; Bechtel, Jon H; McMillan, Daniel G; Reese, Spencer D, Light sensor.
  7. Nelson, Barry K; Bechtel, Jon H; McMillan, Daniel G; Reese, Spencer D, Light sensor having partially opaque optic.
  8. Anderson, Eric C., Method and apparatus for correcting aspect ratio in a camera graphical user interface.
  9. Anderson, Eric C., Method and apparatus for correcting aspect ratio in a camera graphical user interface.
  10. Pavley, John F.; Anderson, Eric C., Method and apparatus for editing heterogeneous media objects in a digital imaging device.
  11. Pavley, John F.; Anderson, Eric C., Method and apparatus for editing heterogeneous media objects in a digital imaging device.
  12. Takahashi, Masashi; Nagata, Toshio; Tsurugida, Yoshirou; Ohsako, Takashi; Mori, Hirotaka; Ohara, Akihiko; Uchida, Hidetsugu; Uchida, Hiroaki; Yoshida, Katsuji; Takahashi, Masahiro, Method for forming insulating film and for manufacturing integrated circuit.
  13. Bauer Fred T. ; Bechtel Jon H. ; Turnbull Robert R. ; Nixon Robert H. ; Fossum Eric R., Moisture detecting system using semiconductor light sensor with integral charge collection.
  14. Fred T. Bauer ; Jon H. Bechtel ; Robert R. Turnbull ; Robert H. Nixon ; Eric R. Fossum, Moisture detecting system using semiconductor light sensor with integral charge collection.
  15. Joseph S. Stam ; Jon H. Bechtel ; John K. Roberts, Moisture sensor and windshield fog detector.
  16. Stam Joseph S. ; Bechtel Jon H. ; Roberts John K., Moisture sensor and windshield fog detector.
  17. Stam Joseph S. ; Bechtel Jon H. ; Roberts John K., Moisture sensor and windshield fog detector.
  18. Stam, Joseph S.; Bechtel, Jon H.; Roberts, John K., Moisture sensor and windshield fog detector.
  19. Stam, Joseph S.; Ockerse, Harold C.; Kibler, IV, Charles David, Moisture sensor and windshield fog detector.
  20. Stam,Joseph S.; Bechtel,Jon H.; Roberts,John K., Moisture sensor and windshield fog detector.
  21. Stam,Joseph S.; Ockerse,Harold C.; Kibler, IV,Charles David, Moisture sensor and windshield fog detector.
  22. Stam Joseph S. ; Bechtel Jon H. ; Roberts John K., Moisture sensor and windshield fog detector using an image sensor.
  23. Johnson, Ryan D.; Stam, Joseph S.; Bechtel, Jon H., Moisture sensor for optically detecting moisture.
  24. Ockerse, Harold C.; Roberts, John K., Moisture sensor utilizing stereo imaging with an image sensor.
  25. Ockerse, Harold C.; Roberts, John K., Moisture sensor utilizing stereo imaging with an image sensor.
  26. Coulling Keith J. ; Pearson Jonathan D. ; Hegyi Dennis J., Multi-function light sensor for vehicle.
  27. Hegyi Dennis J., Multi-function light sensor for vehicle.
  28. Hochstein Peter A., Off the glass imaging rain sensor.
  29. Fish, Jr., Richard T.; Minikey, Jr., Danny L.; Tuttle, Darin D., Optical assembly for a light sensor, light sensor assembly using the optical assembly, and vehicle rearview assembly using the light sensor assembly.
  30. Zimmerman H. Allen, Optical detection of water droplets using light refraction with a mask to prevent detection of unrefracted light.
  31. Nelson Robert J., Rain sensor operation on solar reflective glass.
  32. Wakabayashi, Shinji; Ishikawa, Junichi; Kurahashi, Akira; Terakura, Osamu, Raindrop detecting method and apparatus having temperature-dependent characteristic compensation.
  33. Nelson, Barry K.; Schmidt, David J.; Boehm, Neil J., Rearview assembly with multiple ambient light sensors.
  34. Rainer Pientka DE, Sensor device for detecting moisture on a window.
  35. Meis, Charles Steven; Hass, David Charles; Hallstrom, Carl, Supercooled large drop icing condition simulation system.
  36. Stam,Joseph S.; Bechtel,Jon H.; Roberts,John K., System and method for controlling vehicle equipment by determining spatial composition of an image of a vehicle window.
  37. Bechtel, Jon H.; Bauer, Frederick T.; Stam, Joseph S.; Knapp, Robert C.; Turnbull, Robert R.; Schmidt, David J.; Poe, G. Bruce; Plangger, David L.; Nixon, Robert H.; Fossum, Eric R.; Steenwyk, Timoth, Vehicle equipment control with semiconductor light sensors.
  38. Jon H. Bechtel ; Frederick T. Bauer ; Joseph S. Stam ; Robert C. Knapp ; Robert R. Turnbull ; David J. Schmidt ; G. Bruce Poe ; David L. Plangger ; Robert H. Nixon ; Eric R. Fossum ; Timoth, Vehicle equipment control with semiconductor light sensors.
  39. Bechtel,Jon H.; Bauer,Frederick T.; Stam,Joseph S.; Knapp,Robert C.; Turnbull,Robert R.; Schmidt,David J.; Poe,G. Bruce; Plangger,David L.; Nixon,Robert H.; Fossum,Eric R.; Steenwyk,Timothy E., Vehicle headlamp control utilizing a light sensor having at least two light transducers.
  40. Evans, Gregory Morgan; Evans, James; Roberts, Thomas, Venue based digital rights using capture device with digital watermarking capability.
  41. Tanaka Shuhei,JPX ; Koyama Tadashi,JPX ; Tsunetomo Keiji,JPX, Water drop detector on transparent substrate and initiating method and output stabilizing method therefor.
  42. Stam, Joseph S.; Ockerse, Harold C.; Kibler, IV, Charles David, Windshield fog detector.
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