| Patent Number |
Title Of Patent |
Date Issued |
| 6873716 |
Confocal-reflection streak lidar apparatus with strip-shaped photocathode, for applications at a |
March 29, 2005 |
| The system images the volume of a turbid medium and detects the contents. The medium can be water or air, or living tissue, or almost any other material which is at least partially light-transmissive. The system includes a light source for producing a series of discrete fan-shaped pu |
| 6836285 |
Lidar with streak-tube imaging,including hazard detection in marine applications; related optics |
December 28, 2004 |
| In some aspects of the invention, a LIDAR subsystem or other means at an elevated position emit thin fan-beam light pulses at a shallow angle, and detect reflected portions of the pulses at a like angle; a streak-tube subsystem or other means image successive reflected portions to detect |
| 6115484 |
Economical skin-pattern-acquisition and analysis apparatus for access control, systems controlle |
September 5, 2000 |
| Surface relief of a finger is read using an optical-fiber prism unit, with fiber terminations at one end to contact the surface, and at the other for light passages along fibers from the first. Light enters where NA<0.5 and fiber diameter is constant with longitudinal position. The de |
| 5963657 |
Economical skin-pattern-acquisition and analysis apparatus for access control; systems controlle |
October 5, 1999 |
| Surface relief of a finger etc. is read using an optical-fiber prism unit, with fiber terminations at one end to contact the surface, and at the other for light passage along fibers from the first. Light enters where NA<0.5 and fiber diameter is constant with longitudinal position. Th |
| 5937557 |
Fingerprint-acquisition apparatus for access control; personal weapon and other systems controll |
August 17, 1999 |
| At a first end of an optic-fiber prism assembly are fiber terminations to contact a relieved surface, e. g. finger (stabilized by a handgrip). In a region where fiber diameter is essentially constant with longitudinal position, light enters the prism, crosses the fibers and enters indivi |
| 5812252 |
Fingerprint--Acquisition apparatus for access control; personal weapon and other systems control |
September 22, 1998 |
| At a first end of an optic-fiber prism assembly are fiber terminations to contact a relieved surface, e.g. finger (stabilized by a handgrip). In a region where fiber diameter is essentially constant with longitudinal position, light enters the prism, crosses the fibers and enters individ |
