| Patent Number |
Title Of Patent |
Date Issued |
| 7446860 |
Laser fresnel distance measuring system and method |
November 4, 2008 |
| A method and system for determining range to a target are provided. A beam of electromagnetic energy is transmitted through an aperture in an opaque screen such that a portion of the beam passes through the aperture to generate a region of diffraction that varies as a function of distanc |
| 6456383 |
Method and apparatus for making absolute range measurements |
September 24, 2002 |
| This invention relates to a method and apparatus for making absolute distance or ranging measurements using Fresnel diffraction. The invention employs a source of electromagnetic radiation having a known wavelength or wavelength distribution, which sends a beam of electromagnetic radiati |
| 5914785 |
Method and apparatus for making absolute range measurements |
June 22, 1999 |
| This invention relates to a method and apparatus for making absolute distance or ranging measurements using Fresnel diffraction. The invention employs a source of electromagnetic radiation having a known wavelength or wavelength distribution, which sends a beam of electromagnetic radiati |
| 5885484 |
High temperature thermometric phosphors |
March 23, 1999 |
| A high temperature phosphor consists essentially of a material having the general formula LuPO.sub.4 :Dy.sub.(x),Eu.sub.y) wherein: 0.1 wt %.ltoreq.x.ltoreq.20 wt % and 0.1 wt %.ltoreq.y.ltoreq.20 wt %.The high temperature phosphor is in contact with an article whose temperature is to be |
| 5812729 |
Very high numerical aperture light transmitting device |
September 22, 1998 |
| A new light-transmitting device using a SCIN glass core and a novel calcium sodium cladding has been developed. The very high index of refraction, radiation hardness, similar solubility for rare earths and similar melt and viscosity characteristics of core and cladding materials makes th |
| 5730528 |
High temperature thermometric phosphors for use in a temperature sensor |
March 24, 1998 |
| A high temperature phosphor consists essentially of a material having the general formula LuPO.sub.4 :Dy.sub.(x),Eu.sub.(y), wherein: 0.1 wt %.ltoreq.x.ltoreq.20 wt % and 0.1 wt %.ltoreq.y.ltoreq.20 wt %. The high temperature phosphor is in contact with an article whose temperature is to |
| 5701370 |
Optical fiber sensors for monitoring joint articulation and chest expansion of a human body |
December 23, 1997 |
| Fiber-optic sensors employing optical fibers of elastomeric material are incorporated in devices adapted to be worn by human beings in joint and chest regions for the purpose of monitoring and measuring the extent of joint articulation and chest expansion especially with respect to time. |
